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MATTER CHANGES

This text explores the concepts of physical and chemical changes in matter. Physical changes are alterations in size, shape, or state without changing the substance itself, such as cutting or folding a sheet of paper. Chemical changes, however, transform matter into a different substance, like rust on a car or a campfire burning wood. The distinction between these two types of changes is essential for understanding the behavior of matter in various forms. Engaging examples and quick reviews are presented to aid comprehension.

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MATTER CHANGES

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  1. PHYSICALLY or CHEMICALLY MATTER CHANGES

  2. Physical changes are changes in the way matter looks. • Changes in size and shape are physical changes. PHYSICAL CHANGE

  3. A physical change can also take place when matter changes from one state to another state. PHYSICAL CHANGE solid gas liquid

  4. Can you think of ways that you can physically change a sheet of paper?

  5. Cutting • Tearing • Shredding • Folding • Painting • Writing on • Gluing How can you PHYSICALLY change it?

  6. Chemical changes are the opposite of physical changes. • Chemical changes take place when matter changes to a different kind of matter. CHEMICAL CHANGE

  7. campfire Here are some examples of chemical changes: rusty car

  8. What is a physical change? A physical change is a change in the size, shape, state, or appearance of matter. • What is a chemical change? A chemical change causes matter to become a new kind of matter. Quick Review

  9. Kids Discover http://www.kidsdiscover.com/aspx/pDetail.aspx?EntityGUID=9fcdde0d-b8b8-4365-b359-0699e22a3431&Page=12 Discovery Education 100% Educational Videos. (2003).Review [Video Segment]. Available from http://www.discoveryeducation.com/ http://player.discoveryeducation.com/index.cfm?guidAssetId=4DC7B058-6955-4B8C-AD4B-B2677CA93CE2&blnFromSearch=1&productcode=US Pictures http://office.microsoft.com/en-us/images/?CTT=97

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