HMH Unit 2.3 Lesson Check
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Science
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5th Grade
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Ambrea Hendrickson
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4 Slides • 11 Questions
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HMH Unit 2.3 Lesson Check
Pgs 149-150
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Physical Changes
If a piece of matter undergoes a physical change, the matter you started with is the same as what you ended with.
This includes cutting, bending, and other ways.
When matter changes phases (e.g. solid to liquid), this is still a physical change.
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Chemical Change
In a chemical change, new matter is created. We cannot get back what we started with.
Signs of a chemical change are heat, light, smell, color change and others.
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Conservation of Matter
Remember, what ever amount of matter we start with, we will have the same amount in the end.
This is true for physical and chemical changes.
In a chemical change, sometimes the matter escapes as a gas.
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Multiple Choice
HMH Unit 2.3 Lesson Check
Pgs 149-150
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