3rd grade ch 11 lesson 1 what are physical changes in matter
TRANSCRIPT
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Ch. 11Lesson 1
What are physical changes in matter?
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Activity- How can matter change?
Cup Contents Observations right away
Observations 10 min later
A 100 mL water
1 spoonful salt
B 1 ice cube
C 50 mL vinegar
1 spoonful baking soda
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physical change
matter changes the way it looks without becoming a new kind of matter
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examples of physical changes
1.folding clothes
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examples of physical changes
2.cutting paper
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examples of physical changes
3.changes of states of matter
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Change in temperature
Can cause change in
state
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melting
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states of matter
forms that matter can take
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What properties of matter are affected by physical changes?
size shape weight color
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Why have the pieces of a broken window undergone
physical change?
They are no longer the same size and shape, but each piece is still made of the same kind of matter as the window.
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You move a rock from one place to another. Has a physical change
occurred? Why or why not?
No, because the properties of the rock have not changed.
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http://steam.cs.ohiou.edu/~mleitch/ChangeLab.swf
Physical or chemical changes online activity
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