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Grade 4
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Physical and Chemical Changes
Worksheet
Grade Level
Grade 4
4.17 Physical and Chemical Changes
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🔴 Hard
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Which choice best identifies whether this is a physical or chemical change using the evidence?
A
Physical change — bubbles show gas released from a reaction as it breaks down
B
Chemical change — bubbles show gas released from a reaction as it breaks down
C
Chemical change — it is boiling
D
Physical change — it is melting
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