Serial number product name Specifications and performance requirements unit Quantity 1. Electromagnetic series 1 Simple application of the sensor Specifications: 400 × 300 × 400, 1 digital viewer, 1 digital current viewer: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Simple application of sensors, wires, etc. set 1 2 Diode characteristic curve Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Diode characteristic curve experiment board (DIS-EX13), wire, etc. set 1 3 Transistor characteristic curve Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Triode characteristic curve experiment board (DIS-EX15), wire, etc. set 1 4 Transistor amplifier circuit Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Transistor amplifier circuit experiment board, wire, etc. set 1 5 Simple gate Specifications: 400 × 300 × 400, digital observer 3: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. And the gate circuit experiment board, or the gate circuit experiment board, the non-gate circuit experiment board, the wire, and the like. set 1 6 Detecting the magnetic field around a straight wire Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Square coil, sliding varistor (20~50Ω), wire, track bracket, etc. set 1 7 Studying electromagnetic induction with a single turn coil Specifications: 400 × 300 × 400, micro current digital viewer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Coils, etc. set 1 8 Induced current when weak magnetic flux changes Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Coils, etc. set 1 9 Magnetic induction measurement of energized solenoid Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 10 Relationship between magnetic induction and current of energized solenoid Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 11 Self-inductance Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Self-inductance phenomenon test plates, wires, etc. set 1 12 Lenz's law Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 13 Ampere measurement Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 14 Direction of electromagnetic induction current Size: 100×100×200; Investigate the subject: Exploring the law of current generated by the relative motion of coil and magnet set 1 15 Direction of electromagnetic induction current Size: 100×100×200; Investigate the subject: Exploring the law of current generated by the relative motion of coil and magnet set 1 16 Radiotelephone Size: 225 × 200 × 45; inquiry topic: study the principle and operation skills of Morse code telegraph machine set 1 17 Electromagnetic spring oscillator Size: 340 × 240 × 700; inquiry topic: to explore the conditions, methods, techniques of spring oscillator vibration set 1 18 Kelvin drip power demonstration Size: 330 × 420 × 880; inquiry topic: research and analysis of the experimental phenomenon of dripping electricity set 1 19 Exploring the relationship between currents in a series circuit Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 20 Exploring the relationship between currents in parallel circuits Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 twenty one Measuring series circuit voltage Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 twenty two Exploring which factors are related to current, Ohm's law Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 twenty three Exploring the factors related to current work Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 twenty four Exploring the speed of current work is related to what factors Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 25 Measuring the electric power of a small bulb Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 26 Exploring the magnetic field of a powered solenoid Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 27 Generator principle Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. 1 set of experimental models. set 1 28 Measuring the power of a small bulb Specifications: 400 × 300 × 400, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. A small bulb with a rated voltage of 2.5V, a switch, a sliding varistor, and a number of wires. 1 set of experimental models. set 1 29 Radiotelephone Size: 225 × 200 × 45; inquiry topic: study the principle and operation skills of Morse code telegraph machine set 1 30 Electromagnetic spring oscillator Size: 340 × 240 × 700; inquiry topic: to explore the conditions, methods, techniques of spring oscillator vibration set 1 31 Kelvin drip power demonstration Size: 330 × 420 × 880; inquiry topic: research and analysis of the experimental phenomenon of dripping electricity set 1 32 Electromagnetic gun 360×200×240; Investigating the subject: Observing the effect of the magnetic field of the energized solenoid on the small magnetic block set 1 33 Invisible force Size: 360 × 200 × 240; Investigate the subject: observe the role of the magnetic field of the energized solenoid on the small iron ring set 1 34 Magnetic levitation globe Size: 100 × 220 × 300; explore the subject: understand the nature of the magnetic force, and the balance of the two forces of the object set 1 35 Hand touch battery demonstrator Size: 270 × 230 × 300; inquiry topic: to explore the working principle of the battery set 1 36 Magnetic field force Size: 600 × 150 × 180 Investigating topics: Exploring electromagnetic damping phenomena and related principles set 1 37 Maglev train Size: 605 × 100 × 150 inquiry topic: explore the principle of magnetic levitation train set 1 38 Thermoelectric power generation Dimensions: 340 × 250 × 260; explore the subject: the use of semiconductor temperature difference electrical effect (the temperature of the two ends of the semiconductor will produce a thermoelectric potential, also known as the Seebeck effect) to convert thermal energy into electrical energy. set 1 39 Photovoltaic disk Size: Diameter: 120; Inquiry topic: Studying the principle of photoelectric disk lightning set 1 40 Electromagnetic problem inquiry kit Assembled structure, 91 components, can combine multiple models. Exploring knowledge points: understanding the relationship between electromagnetics; the generation and utilization of electrical energy. set 1 41 Light control system (table lamp tester) (for teachers) Specifications: 90 × 90 × 25mm, can continuously set the upper and lower limits of the illuminance of the alarm, the brightness of the automatic console light; luminous flux: 0 ~ 500 LUX Inquiry topic: Principle of light control set 1 42 Light control desk lamp (student group) Dimensions: 90 × 90 × 25mm, lamp post height 90mm, lampshade diameter is 75mm, small bulb 1.5V, micro switch. Investigating topics: light control exploration set 8 43 What is around the magnet? Specifications: 1 magnetic field observer and 1 magnet. The LCD digital display shows the observation data. set 1 44 How does the induced current occur? Specifications: 1 current observer, 1 coil, LCD display digital observation data. Explore the topic: Exploring how to generate induced current set 1 45 Water electrolysis experiment Specifications: 1 current change observer, 1 electrolytic container, LCD display digital observation data. The constituent elements of water were analyzed by electrolysis of water experiments. set 1 46 Olympic suspension ball 900 × 500 × 1100; explore the subject: understand the nature of the magnetic force, and the balance of the two forces of the object. set 1 47 Invisible force ¢ 600 × 1200; to explore the problem: 1, understand the phenomenon of electromagnetic induction. 2. Understand the application of electromagnetic induction in real life. set 1 48 Power generation anchor 900 × 500 × 1400; to explore the problem: energy conservation and transformation. set 1 49 Magnetic resonance 900 × 500 × 700 inquiry problem: electromagnetic induction set 1 2, mechanics 1 Wind tunnel 820×340×1085; Investigative subject: Aerodynamic experiment, measuring the aerodynamic force acting on the model, observing the flow phenomenon on the surface of the model and its surroundings. set 1 2 Dance for two Size: 700 × 500 × 600; inquiry topic: cam mechanical principle set 1 3 Pitcher Size: 800 × 500 × 800; inquiry topic: the principle of elastic motion. set 1 4 Measuring the speed of a toy car 1 Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 5 Measuring the speed of the toy car 2 Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 6 The role of force is mutual Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 7 Exploring the relationship between object weight and object quality Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 8 Explore the factors that affect sliding friction Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 9 Explore the synthesis of two forces on the same line Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 10 Exploring the size of buoyancy and factors affecting buoyancy Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 11 Set pulley and movable pulley Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 12 Explore the melting point and boiling point of water Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 13 Exploring temperature changes during the melting of sea waves and paraffins Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 14 Exploring evaporation endotherms Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 15 Exploring the relationship between atmospheric pressure and altitude Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 16 Static friction research Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 17 Sliding friction research Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 18 The relationship between gravity and mass Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 19 Study uniform linear motion Specifications: 600 × 430 × 1000, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 20 Average speed measurement Photoelectric door digital observer: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 twenty one Average speed and instantaneous speed Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 twenty two Acceleration measurement Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 twenty three Uniform acceleration linear motion Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Cars, tracks, brackets, etc. set 1 twenty four Relationship between acceleration and tension Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 25 Relationship between acceleration and quality Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 26 Research free fall movement Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 27 Research free fall movement Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. "A set of experimental models. set 1 28 Overweight and weightlessness Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 29 Momentum theorem (constant force) Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 30 Momentum theorem (variable force) Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 31 Momentum conservation law Specifications: 600 × 430 × 1000, digital observer 2: built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 32 Single pendulum vibration image Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 33 Single pendulum period measurement Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 34 Single pendulum method for measuring gravity acceleration Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 35 Damping vibration Specifications: 600 × 430 × 1000, digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 36 Spring oscillator research Specification: 600×430×1000, 1 digital observer, 1 force digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Springs, thin wires, vibrators, circular plates, iron frames, etc. set 1 37 a paper top Exploring the subject: the transmission and decomposition of force set 1 38 Wing lift demonstrator Size: 340 × 240 × 450; explore the subject: study the role of wind on the wing set 1 39 Two-force balance Size: 370 × 200 × 560; inquiry topic: exploring the conditions and laws of the balance of the two forces set 1 40 Gravity direction finder Size: 500 × 260 × 780; Investigate the subject: observe the direction of gravity, study the relationship between gravity direction and heavy vertical line set 1 41 Will turn over the magic pill Size: 600 × 200 × 240; Investigate the subject: Exploring the conditions under which the magic pill can turn the bucket set 1 42 Simulated Foucault Pendulum Experiment Size: 400 × 400 × 700; inquiry topic: observe the change and change law of the swing direction set 1 43 Bridge research Size: 600 × 200 × 240; inquiry topic: to explore the comparison of different bridge structures and bearing capacity set 1 44 Rolling square wheel Size: 1000 × 190 × 140; Investigate the subject: observe the research square wheel in the uneven track set 1 45 Strange collision Size: 420 × 290 × 730; inquiry topic: to explore the collision characteristics and experimental methods between the balls set 1 46 Kangaroo downhill Size: 820 × 200 × 90; inquiry topic: study the relationship between object structure, center of gravity and movement set 1 47 Automatic uphill rotating body Size: 900 × 380 × 205; to explore the subject: research to reduce the potential energy can transform the potential energy of the object into kinetic energy set 1 48 Steel ball climbing Size: 900 × 380 × 205; inquiry topic: to explore the reason why the steel ball will automatically roll to the high end of the track set 1 49 Multi-track racing Size: 870 × 300 × 180; explore the subject: compare which track on the ball first arrived set 1 50 Multi-function rolling Dimensions: 450×300×590; Investigating the subject: Exploring the law of mutual transformation between gravitational potential energy and kinetic energy set 1 51 Bizarre flip ring Size: 600 × 200 × 600; explore the subject: the decomposition of the power of exploration and the role of the force; explore the relationship between the distance, speed and time of particle motion. set 1 52 Bottled rat Size: 600 × 200 × 250; to explore the subject: to explore the transformation of energy between objects and conservation of mechanical energy set 1 53 Submarine simulation experiment system Dimensions: Simulation submarine 350×300×220; Note: Glass cylinder 990×550×400; Inquiry topic: How does the simulated submarine move freely in the water? What is the principle of using mechanics? set 1 54 Floating fish Size: 150 × 150 × 410; Investigate the subject: observe the study of the floating and sinking of small fish and water flow and other factors set 1 55 Collect molecular motion and experimental evidence Size: 265 × 130 × 200; Investigate the subject: Explore the junior high school through experiments, understand the molecules in the never-ending movement, and experience the physical properties of the molecular world. set 1 56 Pressure effect researcher Size: 120×120×150; Investigate the subject: Exploring the factors affecting the pressure of the object, and exploring the factors related to the effect of pressure set 1 57 Center of gravity and stability Size: 500×400×400; Investigating the subject: Exploring the relationship between the height of the center of gravity of the object and its degree of stability set 1 58 Serpentine pendulum Size: 800 × 240 × 700; to explore the subject: swinging the ball in the case of ignoring air resistance. What is the cycle of it? set 1 59 Single pendulum in a uniform magnetic field Size: 400 × 300 × 500; Investigate the subject: explore the relationship between the pendulum cycle and the force field set 1 60 Mechanics Inquiry Kit Assembly structure, 94 components, you can combine multiple models. Explore knowledge points: force and reaction; mechanical transmission; how air is converted into kinetic energy. set 1 61 Air gun Specifications: 260 × 260 × 360; inquiry topic: the principle of pressure balance set 1 62 Drip maze Specifications: 230 × 120 × 130; to explore the subject: the production of water droplets, the path of the water droplets. set 1 63 Water clock Specifications: 140 × 120 × 170, you can use water as the power to drive the electronic clock. set 1 64 Automatic sieve Investigating topics: mechanical transmission and control principles set 1 65 The role of fixed pulleys and moving pulleys Specification: 400×250×500, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. Exploring the subject: exploring the role of fixed pulleys and moving pulleys set 1 66 Force synthesis and decomposition Specifications: 2 digital change observers, 1 force synthesis and decomposition experimenter, 1 cylindrical weight, 1 bracket. The LCD digital display shows the observation data. Investigate the subject: Verify the synthesis and decomposition rules of the co-point force. set 1 67 The relationship between the spring force and elongation of the spring Specifications: 1 digital change observer, 1 spiral spring, 1 meter ruler, 1 bracket. The LCD digital display shows the observation data. Investigate the subject: Explore the relationship between the spring force and elongation of the spring and measure the stiffness coefficient of the spring. set 1 68 Friction work and internal energy Specifications: 1 digital change observer, 1 friction work tester. The LCD digital display shows the observation data. Investigate the subject: Observe the situation in which the internal force of the object changes due to friction. set 1 69 Electromagnetic spring oscillator Specifications: 1 digital change observer and 1 electromagnetic spring oscillator. The LCD digital display shows the observation data. Exploring the topic: Exploring the principle of the electromagnetic spring oscillator experiment. set 1 70 Synthesis and decomposition of the force on the inclined plane Specifications: 1 on the inclined surface force synthesis and decomposition experiment, 2 digital change observer. The LCD digital display shows the observation data. Exploring the subject: Decomposition of verification force obeys the rules of parallelograms set 1 71 tornado ¢ 600 × 1200; to explore the problem: the formation of a tornado ground cyclone only touches the low-altitude cloud-rain cyclone with the rising airflow, and the second complements each other to form a powerful tornado. set 1 72 æ’¬ earth 800 × 500 × 1100; to explore the problem: the principle of leverage set 1 73 Apple that cannot be opened 600 × 500 × 1000; to explore the problem: 1, understand the narrow tube phenomenon in fluid mechanics and Bernoulli theorem. 2. Explain the natural phenomenon with Bernoulli's theorem. set 1 74 Wind tunnel 500 × 900 × 900; to explore the problem: aerodynamics. set 1 75 Cao Chong called the elephant 900×500×700; Exploring the problem: Demonstrating Archimedes' law set 1 76 Air floating platform 640 × 420 × 750; to explore the problem: in some scientific experiments, we need to find ways to partially eliminate the friction caused by the Earth's gravity. Scientists have found that maglev, liquid buoyancy and air flotation are the three most easily realized. Methods, air-floating platforms are widely used in many fields such as physical experiments, spacecraft attitude model simulation control experiments and air-floating guides. set 1 77 Detector 900×500×1200 inquiry subject: the clever use of the principle of gravity The scorpion is a water extraction tool invented by the ancient working people discovered in China. The ingenious use of the principle of gravity has made today's people feel amazed, and feel the scientific wisdom of our Chinese ancestors! When the sputum is waterless, the center of gravity is below, the mouth is up, and the water can be filled; when the water is filled, the center of gravity moves up, and when the center of gravity exceeds the balance line, the cock turns over and the opening is downward, so that the water flows out. set 1 3, optical 1 Mirror Size: ¢100, the back pattern can be reproduced on the wall in the sun. Investigate the subject: Learn how the magic mirror works, how it is made, and the optical principles. set 1 2 Magic box Size: 300 × 300 × 320; Investigate the subject: study the application of plane mirror imaging principle set 1 3 chameleon Size: 260 × 230 × 330; inquiry topic: study the relationship between color change and different color light illumination set 1 4 Corner reflector Size: 420 × 290 × 400; inquiry topic: light reflection principle and plane mirror combination application set 1 5 Explore the spread of light in curved glass tubes Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 6 Explore the transformation of solar energy Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 7 Relationship between light intensity and light source distance Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 8 Light guide phenomenon (light guide light) Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Light guides, flashlights, etc. set 1 9 Indoor and outdoor brightness measurement Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. cabin set 1 10 Study on light transmission properties of different materials Specifications: 320 × 240 × 100, digital viewer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Three different light transmission properties. set 1 11 Sunglasses research Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 12 Reflection of light by different materials Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Three different materials. set 1 13 Light pollution research Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 14 Flip mirror Size: 380 × 240 × 240; Investigate the subject: Exploring the characteristics of the image of the inverted mirror image set 1 15 Small ball becomes big ball Size: 430 × 390 × 490; inquiry topic: study the characteristics of multiple reflection imaging of four mirrors set 1 16 You have me I have you Size: 370 × 200 × 600; Investigate the subject: Study the characteristics of imaging when multiple strip plane mirrors are spaced apart set 1 17 Caged bird Size: 260 × 230 × 390; inquiry topic: to explore the phenomenon of temporary persistence and law set 1 18 Mixing of pigments (electric seven-color wheel) Size: 260 × 230 × 180; to explore the subject: to explore the phenomenon of seven-color light synthesis white light set 1 19 Optical communication experiment system Size: 300 × 200 × 80; inquiry topic: exploring the modulation of light waves and information dissemination methods set 1 20 Glow ball Size: 200 × 200 × 350; Investigate the subject: observe the study of gas molecular ionization luminescence set 1 twenty one Multi-image mirror Size: 545 × 275 × 335; Investigate the subject: explore the relationship between the number of imaging and the angle between the mirrors set 1 twenty two time Tunnel Size: 350 × 350 × 490; inquiry topic: observe the law of multiple reflection imaging of plane mirror set 1 twenty three Night vision telescope Size: 110 × 108 × 52; research topic: research night vision technology, mainly to explore the principle of infrared imaging and photoelectric conversion technology. set 1 twenty four Light synthesis exploration experiment instrument Size: 280 × 200 × 395; inquiry topic: explore the principle of three primary color synthesis set 1 25 Three-color aperture imaging Size: 500 × 300 × 400 inquiry topics: explore the phenomenon and principle of small hole imaging set 1 26 rainbow Specifications: 190 × 120 × 140, you can set the time to adjust different rainbow shapes. set 1 27 Optical problem inquiry kit Assemble the structure, 76 components, you can combine multiple models. Exploring knowledge points: the application of the principle of linear propagation and reflection of light, and the formation of virtual images. set 1 28 Translucent mirror 900 × 500 × 800; look at the pattern behind the bronze mirror, and then press the button to observe the image formed by the copper mirror reflected on the white screen. It’s weird, as if the light passed through the bronze mirror and the pattern on the back of the mirror was mapped on the screen. set 1 29 Harp 900×500×1600; explore the subject: 1. Understand the existence and function of invisible light; 2. Understand the principle and application of photoelectric control; 3. Play the scale with a stringless piano. set 1 30 Oriental Pearl Tower 750 × 640 × 420; research topics: 1, understand the principle of light guiding light. 2. Understand the application of optical fiber. set 1 31 Put the tiger back to the mountain 800×600×1000; inquiry topic: visual persistence set 1 32 In the end 600 × 600 × 800; to explore the subject: the large and small discs turn in the opposite direction, observe who the two discs move and who does not move. set 1 33 Needle thread ¢600×1200 inquiry topics: 1. Understand the characteristics of plane mirror imaging and the practical application of plane mirror to change the optical path. 2. Understand the characteristics of the human visual system. set 1 34 Principle of the movie ¢600×700 inquiry topic: visual persistence set 1 35 Spring water phantom Specifications: 600 × 600 × 800 inquiry topics: the principle of reflection of parabolic mirrors. set 1 4, vibration and wave 1 Skinless drum 800×600×800 inquiry subject: the drum sound is realized by the light signal. set 1 2 Resonant drum 900×800 inquiry topic: resonance phenomenon set 1 3 Shouting spring 600×600×700 inquiry subject: vibration of sound set 1 4 Acoustic vibration image Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 5 Acoustic interference Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 6 Resonance of sound Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 7 Relationship between amplitude and loudness Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 8 Frequency and tone Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 9 Sound and distance Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 10 Please keep quiet Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 11 Study on sound insulation effects of different materials Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 2 cottages of different materials. set 1 12 Noise pollution research Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 13 Does music have an effect on plant growth? Specification: 400×300×400, 1 digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. 1 set of experimental models. set 1 14 Sonic can be seen Ingenious way to show the waveform generated by the sound wave when it vibrates set 1 15 Parrot tongue 500×400×800; Explore the subject: understand the application of voice-activated switches, recording chips, and playback circuits. set 1 16 Sound characteristics Size: 610 × 310 × 170; inquiry topic: to explore what factors are related to loudness, tone and tone set 1 17 Acoustic standing wave Size: 940 × 200 × 280; inquiry topic: know the sound standing wave phenomenon and the sound has energy set 1 18 Unstringed Size: 530 × 250 × 605; inquiry topic: research on the characteristics and application of light control technology set 1 19 Galileo needle and single pendulum experiment Size: 600×260×670; Investigating the subject: Exploring the mutual transformation and law of potential energy and kinetic energy of a single pendulum set 1 20 Resonance pendulum Size: 460 × 300 × 770; inquiry topic: exploring the conditions and applications of resonance set 1 twenty one Acoustic suspension Size: 920 × 230 × 300; Investigate the subject: observe the phenomenon that the sound pressure lifts the light object to the high school set 1 twenty two Transformation of vibration and rotational energy Size: 280 × 230 × 400; explore the subject: explore the transformation phenomenon of vibration and rotation set 1 twenty three Forced vibration and resonance experiment Size: 250 × 250 × 700; Investigate the subject: Study the strength of the vibration of the metal sheet and what factors set 1 twenty four Ultrasonic atomization Size: 270 × 270 × 380; inquiry topic: observe the effect of ultrasonic longitudinal wave on liquid set 1 25 Fish wash Size: 420 × 420 × 860; inquiry topic: to explore the causes of splashing set 1 26 Air line Size: 390 × 390 × 150; to explore the subject: to explore the vibration of the object and the length of the tube set 1 27 Aluminum rod sound Size: 1500 × 430 × 900 inquiry topics: exploring the conditions and principles of object pronunciation set 1 5. Thermal and Molecular Physics 1 Thermal radiation demonstrator 1 Size: 330 × 230 × 250; inquiry topic: exploring the phenomenon and law of heat radiation set 1 2 hovercraft Size: 250 × 200 × 200 inquiry topics: explore the relationship between force and reaction set 1 3 Solid thermal expansion and contraction demonstrator (for teachers) Size: 330×220×200 Investigating the subject: Exploring the law of thermal expansion and contraction of solids set 1 4 Thermal radiation demonstrator 2 Size: 330 × 230 × 200 Investigate the subject: explore the relationship between the color of the object and the ability of the object to absorb heat set 1 5 Boyle's law One digital pressure observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Syringe, etc. set 1 6 Charlie's law Pressure digital observer, temperature digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Iron stand, test tube holder, hot water (about 80 ° C), beaker, jar, rubber stopper and jack. set 1 7 Friction work changes the internal energy of the object One digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Small pieces of fur, etc. set 1 8 The change of temperature during solid melting One digital observer: Built-in lithium battery, with LCD display and data storage function, can collect, display and record data. Test tube holder, tripod, asbestos net, alcohol lamp, 500mL beaker, crushed rosin, sea wave (sodium thiosulfate) and paraffin, test tube, rubber plug with holes, etc. set 1 9 Relationship between boiling point and pressure Digital observer, temperature digital observer 1: Built-in lithium battery, with LCD display, data storage function, can collect, display, record data. Iron frame, test tube holder, tripod, asbestos net, alcohol lamp, hot water (about 80 ° C), 250 mL conical flask, rubber stopper and jack, tee, etc. set 1 10 "Perpetual motion machine" What is the driving force behind the perpetual motion of perpetual motion? set 1 11 Franklin boiling ball Specifications: Hold the ball on the left side with your hand and you will soon see the liquid boiling in the ball boil and decrease, while the liquid in the right ball increases. Exploring the subject: What liquid is in the ball? Cooking on the mountain, why is the water boiling and the rice not easy to cook? Why is it that "the water does not open and the water does not ring?" set 1 12 Thermal engine A cup of hot water (70 ° C) can turn the wheel up; explore the subject: the shape memory alloy memory recovery characteristics, hot water as a heat source, hot water temperature 65 ° C ~ 85 ° C, with memory alloy springs in different temperature zones ( The difference in torque generated between room temperature and hot water temperature drives the wheel to rotate. set 1 13 Heat radiation Specifications: 1 thermal radiation tester, 1 temperature change observer, LCD display digital observation data. Exploring the subject: Exploring the different absorption capacities of different colors for thermal radiation. set 1 14 Research on candles and their burning Specifications: 1 temperature change observer, 1 candle, LCD display digital observation data. Exploring the subject: exploring the candle and its burning set 1 6, geoscience series 1 Measuring the water quality of the creek river Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 2 Acid rain research Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 3 Effect of soil pH on plant growth Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 4 Comparison of PH values ​​of drinking water in different regions Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 5 Study on pH and Plant Growth of Soil Specifications: 400 × 300 × 400, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 6 Monitor changes in weather and humidity Specifications: 320 × 240 × 100, built-in lithium battery, with LCD display, data storage function, can collect, display, record data. 1 set of experimental models. set 1 7 Determine the dew point è§„æ ¼:320×240×100, 内置锂电，具有LCD显示ã€æ•°æ®å‚¨å˜åŠŸèƒ½ï¼Œå¯é‡‡é›†ã€æ˜¾ç¤ºã€è®°å½•æ•°æ®ã€‚实验模型1套。 set 1 8 测é‡å®¹å™¨ã€æ¸©å®¤åŠå…¶ä»–å°é—环境的湿度 è§„æ ¼:320×240×100, 内置锂电，具有LCD显示ã€æ•°æ®å‚¨å˜åŠŸèƒ½ï¼Œå¯é‡‡é›†ã€æ˜¾ç¤ºã€è®°å½•æ•°æ®ã€‚实验模型1套。 set 1 9 呼出空气的湿度； è§„æ ¼:320×240×100, 内置锂电，具有LCD显示ã€æ•°æ®å‚¨å˜åŠŸèƒ½ï¼Œå¯é‡‡é›†ã€æ˜¾ç¤ºã€è®°å½•æ•°æ®ã€‚实验模型1套。 set 1 10 çŽ¯å¢ƒæ±¡æŸ“ç ”ç©¶ è§„æ ¼:320×240×100, 内置锂电，具有LCD显示ã€æ•°æ®å‚¨å˜åŠŸèƒ½ï¼Œå¯é‡‡é›†ã€æ˜¾ç¤ºã€è®°å½•æ•°æ®ã€‚实验模型1套。 set 1 Plastic Container,Plastic Storage Containers,Plastic Food Containers,Plastic Container Box EVER GREEN(ZHEJIANG)NEW MATERIAL CO., LTD / KUNSHAN GREENPACK CO.,LTD , https://www.changjingpack.com