What is a chemical reaction?
Chemical Reactions Everywhere

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Science
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5th Grade
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Easy
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1.
FLASHCARD QUESTION
Front
Back
A process where substances (reactants) change into new substances (products) with different properties.
2.
FLASHCARD QUESTION
Front
What happens during a chemical reaction?
Back
New substances are formed, often involving the rearrangement of atoms.
3.
FLASHCARD QUESTION
Front
What is evidence of a chemical reaction?
Back
Evidence includes color change, gas production, temperature change, and formation of a precipitate.
4.
FLASHCARD QUESTION
Front
What is NOT evidence of a chemical reaction?
Back
Melting is not evidence of a chemical reaction.
5.
FLASHCARD QUESTION
Front
What are the main types of chemical reactions?
Back
Synthesis, decomposition, single replacement, double replacement, and combustion.
6.
FLASHCARD QUESTION
Front
What is a reactant?
Back
A substance that undergoes change in a chemical reaction.
7.
FLASHCARD QUESTION
Front
What is a product?
Back
A new substance formed as a result of a chemical reaction.
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