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Recognize Reaction Evidence
Worksheet
Grade Level
Grade 8
8.32 Recognize Reaction Evidence
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Which observation most clearly shows that substances changed into new substances?
A
The beaker got hot because it sat on a hot plate.
B
Water evaporated from the surface over time.
C
A new crust formed on the aluminum, indicating a new substance.
D
The solid melted into a liquid when heated.
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