| Category | Format | Size |
|---|---|---|
| Hunan Education Edition Third Grade Science Volume 2 | pptx | 6 MB |
"Knowing Cold and Knowing Heat" PPT courseware on cold and heat
Description
"Knowing Cold and Knowing Heat" PPT courseware on cold and heat
The degree of hotness or coldness of an object is called temperature.
A thermometer is an instrument that measures the temperature of an object.
Celsius temperature scale
The "Celsius temperature scale" was first created by Swedish scientist Celsius in 1742.
It is specified that the temperature at which ice melts under 1 standard atmosphere is 0 degrees Celsius (℃).
It is stipulated that the temperature when water boils is 100 degrees Celsius (℃) under 1 standard atmospheric pressure.
Things to note when using a thermometer:
1. Observe the range and scale (gradation value) before use.
2. Hold the upper end of the thermometer.
3. The liquid of the thermometer is immersed in the water and cannot touch the wall and bottom of the cup.
4. Start reading after the liquid column stops rising.
When reading, keep your line of sight level with the surface of the liquid column in the thermometer. Do not take the thermometer out of the liquid being measured and take a reading.
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For more information about the PPT courseware "Knowing Cold and Hot, Knowing Cold and Hot", please click the "Knowing Cold and Hot ppt" tag.
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Update Time: 2024-07-03
This template belongs to science courseware Hunan Education Edition Third Grade Science Volume 2 industry PPT template
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