| Category | Format | Size |
|---|---|---|
| People's Education Press Sixth Grade Science Volume 1 | pptx | 6 MB |
"Three State Changes of Water" Water Cycle in Nature PPT Courseware 2
Description
"Three State Changes of Water" Water Cycle in Nature PPT Courseware 2
Explore the water cycle in nature
Where is water found in nature and in what form does it exist?
How is the water in the sky formed?
Explore the formation of clouds?
Water vapor in the air condenses into small water droplets when cold. These small water droplets gather together. We call them "clouds" in high altitudes; we call them "fog" in low altitudes. If the temperature drops below 0 degrees Celsius, the water vapor in the air will turn into small ice crystals.
Understand the water cycle in nature
1. Discussion: How are the various forms of water transformed in nature? What factors influence the transformation between various forms?
Every day, part of the heat provided by the sun causes part of the water to turn into water vapor and enter the air. When the water vapor is cooled in the air, it condenses into water droplets or directly solidifies into ice crystals. When water droplets and ice crystals accumulate to a certain extent, they will turn into rain or snow and fall. This cycle repeats itself, causing the water to circulate continuously.
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1. Can you express the three changes in water forms and their conditions in a diagram?
2. Based on our understanding of the three-state changes of water, can you guess how frost is formed?
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For more information about the PPT courseware "Three-State Changes of Water and the Water Cycle in Nature", please click on the "Three-State Changes of Water ppt Water Cycle in Nature" ppt tag.
"Three State Changes of Water" PPT download of changes in temperature and water:
"Three State Changes of Water" Temperature and water changes PPT download Part 1: Introduction of new knowledge Do you still remember ice? Is it a solid, liquid, or gas? What about water? Now that we have solids and liquids, what is missing? Today we will learn about the three states of water...
"Three State Changes of Water" Changes in Temperature and Water PPT:
"Three State Changes of Water" Temperature and Water Changes PPT Part One: Various Forms of Water Water has various forms in nature, sometimes liquid, sometimes solid, and sometimes gaseous. Based on the phenomena we have observed and our existing life experiences, let’s talk about it...
"Three State Changes of Water" PPT courseware:
The first part of the "Three State Changes of Water" PPT courseware content: Changes in the form of water. The process of water form change and the conditions for change. Ice crystals formed when frost water vapor solidifies on objects. When the temperature drops below 0°C, water vapor turns into ice crystals at high altitudes in snow. The temperature drops below 0 ℃..
File Info
Update Time: 2024-07-27
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