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Authoritative PPT Summary
Qingdao edition third grade science volume 1, water temperature changes PPT
Part One: Learning Objectives
learning target
1. Be able to skillfully use a thermometer to continuously measure changes in water temperature and make simple records; initially learn to use simple tables, graphics and other statistical methods to organize measurement records.
2. Experience the fun of collaborative inquiry through measurement activities.
3. Understand the changing patterns of water temperature.
Changes in water temperature PPT, part 2: experiment
Guess: How does the temperature of hot water change?
Test materials: beaker, water thermometer, timer, iron stand
Precautions
1. Teachers and students cooperate. The teacher looks at the time, asks students to come on stage to measure, and other students record. The division of labor is clear.
2. Record the results in the table designed in the book. The 0-minute record refers to the temperature at the beginning.
3. When reading, do not take the thermometer out of the water, and the line of sight should be level with the top of the liquid column.
Changes in water temperature PPT, the third part: statistical chart analysis
Statistical graph analysis:
The downward curve starts out steep and gradually becomes gentle;
Explain that the law of hot water cooling is: first fast and then slow.
The curve is steep at first and then gentle
The water temperature drops first quickly and then slowly
Finally cooled down to room temperature
Keywords: Qingdao version third grade science PPT courseware free download, water temperature change PPT download, .PPT format;
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