Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Science

7th - 8th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties, such as burning paper.

2.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that matter cannot be created or destroyed in a chemical reaction; it can only change forms.

3.

FLASHCARD QUESTION

Front

What happens to the mass of reactants and products in a chemical reaction?

Back

The total mass of the reactants equals the total mass of the products.

4.

FLASHCARD QUESTION

Front

What is a reactant?

Back

A reactant is a substance that undergoes a chemical change in a reaction.

5.

FLASHCARD QUESTION

Front

What is a product?

Back

A product is a substance that is formed as a result of a chemical reaction.

6.

FLASHCARD QUESTION

Front

What is a precipitate?

Back

A precipitate is a solid that forms when two liquids react with each other.

7.

FLASHCARD QUESTION

Front

What is an example of a physical change?

Back

Cutting a piece of paper is an example of a physical change.

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