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Fifth Grade Science Volume 2, Textbook Edition
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Category | Format | Size |
---|---|---|
Third Grade Science Volume 2, Textbook Edition | pptx | 6 MB |
Description
"Where Do Water Drops Come From" PPT Courseware on Changes in Temperature and Water
Knowledge explanation
I took out a popsicle from the freezer. After a while, I found a layer of white frost on the popsicle paper. When I peeled off the paper, "white smoke" came out around the popsicle.
Put the popsicle in the cup. After a while, the ice melted and the outer wall of the cup "sweated", and droplets of water appeared.
Thinking: Where do water drops come from?
Think about it and guess:
Where do the small water droplets on the outer wall of the ice glass come from?
Probably seeping out of the cup.
The ice melts into water and overflows from the mouth of the cup.
It may be that when adding ice, the ice cubes hit the rim of the glass and turned into water and flowed down.
We concluded that the small water droplets on the outer wall of the glass were not formed by the melting of ice inside the glass.
Is the formation of small water droplets on the outer wall of the glass related to ice? Why?
The water droplets on the outer wall of the glass are:
When the water vapor in the air encounters the cold wall of the glass, the water vapor cools rapidly and condenses into a liquid.
Condensation: The process of changing from gas to liquid is called condensation.
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For more information about the PPT courseware "Changes in Temperature and Water: Where Do Water Drops Come From", please click the Changes in Temperature and Water ppt: Where Do Water Drops Come From ppt tag.
"Where Do Water Drops Come From" Changes in Temperature and Water PPT:
"Where Do Water Drops Come From" PPT on Temperature and Water Changes Part One: Introduction of New Knowledge Guess what will appear on the surface of fruit after you take it out of the refrigerator and leave it for a while? Many small water droplets will appear on the surface! A glass filled with ice is left in the air. After a while...
"Where Do Water Drops Come From?" Changes in Temperature and Water PPT Courseware 3:
"Where Do Water Drops Come From" Temperature and Water Changes PPT Courseware 3 Think about it and guess: Where do the small water droplets on the outer wall of the ice glass come from? It might have seeped out of the cup. The ice melted into water and overflowed from the mouth of the cup. It may be that when adding ice, the ice cubes touched...
"Where Do Water Drops Come From?" Changes in Temperature and Water PPT Courseware 2:
"Where Do Water Drops Come From" Temperature and Water Changes PPT Courseware 2 Think about it and guess: Where do the small water droplets on the outer wall of the ice glass come from? It might have seeped out of the cup. Experiment 1 requirements: (1) Wipe the cup (2) Observe carefully, the time is 1 minute..
File Info
Update Time: 2024-10-05
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