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Authoritative PPT Summary
"Temperature and Thermometer" Changes in Temperature and Water PPT Download
Part One: Importing New Knowledge
Talk about it
Students, we feel very hot in summer and very cold in winter. What is the difference between these two seasons?
Temperature and thermometer PPT, part 2: new knowledge explanation
Feel the hot and cold water
If there are two glasses of water, one is hot and one is cold, how do you tell the difference?
Compare water's hotness and coldness
Four cups are filled with hot and cold water. Cup No. 1 is cold water, cups No. 2 and 3 are warm water, and cup No. 4 is hot water.
sense again
Four cups are filled with hot and cold water. Cup No. 1 is cold water, cups No. 2 and 3 are warm water, and cup No. 4 is hot water.
Tell me, do you feel the same about how hot or cold four glasses of water are twice?
scientific concept
temperature
The degree of hotness or coldness of an object is called temperature, usually expressed in degrees Celsius (℃).
Celsius
We call the temperature of the ice-water mixture 0°C.
The temperature of boiling water at standard atmospheric pressure is 100°C.
Temperature and thermometer PPT, Part 3: Consolidation exercises
Do it, talk about it
1. The degree of hotness and coldness of an object is called ________, usually expressed by ________.
2. To know the hot or cold degree of an object more accurately, you can use _________ to measure it.
3. For an object, when the object loses heat, the temperature is ________, and when the object gains heat, the temperature is ________.
When three students A, B, and C read the temperature indicated by the same thermometer (the ambient temperature remained unchanged), they got three different temperatures, which were 22°C, 23°C, and 24°C.
(1) Please rank these three temperatures in order from high to low.
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If Student B’s reading is accurate, then why are the temperature values read by the other two students different from his?
Student B’s reading is accurate, looking straight up, A’s reading, looking up, and C’s reading, looking down.
Temperature and thermometer PPT, Part 4 content: Class summary
What did you learn in this lesson?
1. By comparing the temperature of water, we know that the hot and cold objects are temperatures.
2. Understand the structure of the thermometer and the precautions for using the thermometer by observing the thermometer.
3. Be able to read and write temperatures scientifically.
4. Will accurately read the temperature from the thermometer.
Keywords: Free download of Chinese PPT courseware for the second volume of the third grade of the textbook version, PPT download of temperature and thermometer, PPT download of changes in temperature and water, .PPT format;
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