What is a chemical change?
Chemical Changes

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Science
•
6th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A process where substances combine or break apart to form new substances with different properties.
2.
FLASHCARD QUESTION
Front
What are some signs of a chemical change?
Back
Signs include temperature change, formation of a gas, color change, and formation of a precipitate.
3.
FLASHCARD QUESTION
Front
What is a precipitate?
Back
A solid that forms when two liquids react together.
4.
FLASHCARD QUESTION
Front
What indicates a chemical change?
Back
A temperature change is one of the indicators of a chemical change.
5.
FLASHCARD QUESTION
Front
What is NOT evidence of a chemical change?
Back
Melting is not evidence of a chemical change; it is a physical change.
6.
FLASHCARD QUESTION
Front
What happens during a chemical reaction?
Back
New substances are formed, and the original substances may change in appearance and properties.
7.
FLASHCARD QUESTION
Front
What is the difference between a physical change and a chemical change?
Back
A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.
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