Introduction to Chemical Reactions Quiz

Introduction to Chemical Reactions Quiz

7th Grade

15 Qs

quiz-placeholder

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Introduction to Chemical Reactions Quiz

Introduction to Chemical Reactions Quiz

Assessment

Quiz

Science

7th Grade

Medium

NGSS
MS-PS1-5, MS-PS1-2, MS-PS3-4

+3

Standards-aligned

Created by

Erica Frederick

Used 22+ times

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are some clues that a chemical reaction has occurred?

Production of a gas

Formation of a precipitate (solid)

Change in color

All of the above

Tags

NGSS.MS-PS1-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an exothermic reaction?

A reaction that absorbs energy in the form of heat

A reaction that releases energy in the form of heat

A reaction that feels colder

A reaction that changes color

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the substances that undergo chemical changes called?

Reactants

Products

Coefficients

Subscripts

Tags

NGSS.MS-PS1-5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the substances that form in a chemical reaction called?

Reactants

Products

Coefficients

Subscripts

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the regular-sized numbers in front of a chemical formula called?

Reactants

Products

Coefficients

Subscripts

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the little numbers that you see after some elements called?

Reactants

Products

Coefficients

Subscripts

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the arrow in a chemical equation represent?

Reactants

Products

Coefficients

Yields

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