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Category | Format | Size |
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Third Grade Science Volume 1, Textbook Edition | pptx | 6 MB |
Description
"Does Air Have Weight?" Water and Air PPT Courseware
Features of the balance
After balancing the scale, place objects on both sides. If the weights are equal, the scale will remain balanced. If the weights are unequal, one end of the scale will tilt toward the heavier side.
Note: The positions of the three lines should remain unchanged.
Remove one of the balloons, inflate it enough, and put it back in its original position. Observe what happens to the balance?
What will happen if the air in balloon No. 1 is released?
extracurricular development
The small amount of air in the ball is not heavy, so we don't feel it significantly. Under normal circumstances, that is, at 20 degrees Celsius, the weight of air is 1.205 kg/cubic meter, and the air in our classroom is about 200 kg. How heavy is the air around the Earth? Please go back and look for information.
As long as you observe carefully and take the initiative to explore, you will become the master of science!
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For more information about the PPT courseware "Water and Air Does Air Have Weight?", please click the Water and Air ppt Does Air Have Weight ppt tag.
"Does Air Have Weight?" Water and Air PPT Courseware 4:
"Does Air Have Weight?" Water and Air PPT Courseware 4 Characteristics of a Pallet Balance After balancing the balance, place objects on both sides. If the weights are equal, the balance will remain balanced. If the weights are unequal, the pointer of the balance will be biased toward the heavier one. aside. Challenge extracurriculars like...
"Does Air Have Weight?" Water and Air PPT Courseware 3:
"Does Air Have Weight?" Water and Air PPT Courseware 3 Guess: There is a thing everywhere, you can't drive it away with a stick, you can't see it with your eyes, you can't touch it with your hands, it has no taste when chewed, and you can't live long without it. (Hit a natural phenomenon) 1. Let the students guess whether air has weight? 2.I...
"Does Air Have Weight?" Water and Air PPT Courseware 2:
"Does Air Have Weight?" Water and Air PPT Courseware 2 Think about it: Can you use experiments to prove your idea? Experimental equipment: 1 iron stand, 1 wooden stick or lever, 1 balloon, 1 pen cap, and some thin wires. Experimental process: 1. Make a homemade small balance. 2. Balance...
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Update Time: 2024-11-22
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