Junior high school physics state change experiment box
Classification：
Junior high school physical experimental box
Product Model：
Grade：
Junior high school physics
Function Description：
According to the experimental design of the textbook, the experimental box is more in line with the experimental methods and operations of the textbook, and the experimental coverage rate of the textbook is as high as 70%.
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Name:Physical state change in junior high school
Learning section:junior high school physics
Structure:The inside of the experimental box contains a lining to ensure that each equipment has a corresponding storage location, which is convenient for fast and efficient sorting and storage. The box can be stacked in multiple layers, with a maximum of 5 boxes.
Experiment:Perceive the temperature of water; use a thermometer to measure the temperature of water and other experiments.
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The Distance sensor consists of two parts: transmitter and receiver; The working principle is that the propagation speed of light is much faster than that of sound waves. Therefore,it can be assumed that the propagation time of light is 0. The transmitter sends an infrared light signal to inform the receiver the beginning time of ultrasonic wave and sends the ultrasonic wave, the receiver receives the light signal and start to record the beginning time and counts until it receives the ultrasonic signal ,so as to calculate the time used for ultrasonic propagation. Finally, according to the formula “distance=speed × time ”to calculate the distance between transmitter and receiver. There is a screw hole (M6 thread) on the side of the Distance sensor, which can be used to fix the sensor on a suitable device.
It is used to measure the pressure difference between the gas in the atmospheric environment and the measured space.
Used to measure the object through the photoelectric gate light blocking time and speed, acceleration, momentum, kinetic energy and other physical quantities.
7F, No.1 Building, Tianan Cyber Park, No.36 Yongfeng Road, Qinhuai District, Nanjing, China. (R&D centre)
No.306 Wenchang Road, Yongyang Street, Lishui Disctric, Nanjing, China. (Manufacturing base)
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