Chemical Reactions

Chemical Reactions

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

NGSS
MS-PS1-5, MS-PS1-2, MS-PS1-1

+3

Standards-aligned

Created by

Wayground Content

FREE Resource

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15 questions

Show all answers

1.

FLASHCARD QUESTION

Front

What is a chemical reaction?

Back

A process where substances (reactants) are transformed into new substances (products) with different properties.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

In a chemical reaction, the mass of the products is equal to the mass of the reactants.

Tags

NGSS.MS-PS1-5

3.

FLASHCARD QUESTION

Front

What is a reactant?

Back

A substance that undergoes change during a chemical reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

4.

FLASHCARD QUESTION

Front

What is a product?

Back

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

5.

FLASHCARD QUESTION

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Tags

NGSS.MS-PS1-2

6.

FLASHCARD QUESTION

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

7.

FLASHCARD QUESTION

Front

What is a molecule?

Back

Two or more atoms bonded together.

Tags

NGSS.MS-PS1-1

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