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Fourth Grade Science Volume 1, Textbook Edition
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Qingdao Edition Fifth Grade Science Volume 2
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Fifth Grade Science Volume 2, Textbook Edition
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!["Material Around Us" Material Changes PPT Courseware 3](https://resources2020.oss-cn-beijing.aliyuncs.com/resources2020/c12762c9bf23e0df02f9ce9cb3fa365b.jpg)
Category | Format | Size |
---|---|---|
Science Edition for Sixth Grade Science Volume 2 | pptx | 6 MB |
Description
"Material Around Us" Material Changes PPT Courseware 3
Matter: refers to something that actually exists that is directly or indirectly observed.
The world is made of matter.
Matter is change.
Is there any unchanging matter in the world? Give your reasons.
Experimental requirements:
A. Try different ways to change the paper, candles and paper clips.
B. Record the changes on the experiment record sheet.
Kind tips:
During the experiment, there must be a reasonable division of labor, reasonable use of various experimental materials, and pay attention to safety!
The world is always changing, and the forms of changes in matter are also diverse. Changes can be natural or man-made. There are two types of changes in matter. One is only changing the shape, size, position, etc. of matter. , but no new matter was produced, another type of change produced new matter.
Key points of this lesson:
A. The world is made of matter, and matter changes.
B. There are similarities and differences in material changes.
C. Some changes in substances produce new substances, while other changes do not produce new substances.
1. Fill in the blanks.
1. The actual things that we can directly or indirectly observe are ( ), and the entire world is made up of ( ).
2. Objects are always changing ( ), some changes only change ( ), ( ) of matter, and some changes produce ( ).
judge
1. Because we cannot touch air, it is not a substance. ( )
2. Flame and sound are both matter. ( )
3. Some substances will change and some substances will never change. ( )
4. The actual things that we can observe directly or indirectly are matter. ( )
5. Human beings are also made of matter. ( )
6. Matter is always changing. ( )
7. The world is made of matter. ( )
8. There are immutable substances in the world. ( )
9. Air, water, fire, electricity, sound, etc. are also substances. ( )
10. The hardest rock does not change. ( )
11. Some substances change slowly, and some substances change quickly. ( )
Short answer
1. What changes occur to rocks in nature?
Answer: Rocks in nature will weather under long-term natural effects. Specific manifestations include changes in size, shape, composition, etc.
2. What are the similarities and differences between the changes in burning wood and the changes in breaking?
Answer: When a match burns, it emits light and heat. After burning, the match turns into ashes; after the wooden strip is broken, its shape only changes.
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For more information about the "Changes of Matter, Material Around Us" PPT courseware, please click on the "Change of Matter ppt, Material Around Us" ppt tag.
"Material Around Us" PPT teaching courseware on changes in matter:
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"Material Around Us" PPT download of changes in matter:
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"Material Around Us" Changes in Matter PPT:
"Materials Around Us" Changes in Matter PPT Part 1 Content: The world is made of matter What materials are around us? The world is made of matter. The books, erasers, tables, lights, running water, houses, trees, animals, and plants around us include...
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Update Time: 2024-09-08
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