Intro Chemical Reactions

Intro Chemical Reactions

7th Grade

15 Qs

quiz-placeholder

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Intro Chemical Reactions

Intro Chemical Reactions

Assessment

Quiz

Science

7th Grade

Hard

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

+3

Standards-aligned

Created by

Lisa Thompson

FREE Resource

15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A different chemical substance is formed when _____.

water boils

metal rusts

ice melts

rock is crushed

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Digesting your food is an example of 

chemical change

physical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

You are testing unknown gas A with a small flame test. You observe that when gas A is exposed to the flame the flame turns from orange to blue. Using the provided chart, determine which gas is most likely gas A.

Oxygen

Methane

Carbon Dioxide

Either Carbon Dioxide or Nitrogen

Not enough information

Tags

NGSS.MS-PS1-2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

You are testing unknown gas B with a small flame test. You observe that when gas B is exposed to the flame the flame goes out. Using the provided chart, determine which gas is most likely gas B.

Oxygen

Methane

Carbon Dioxide

Either Carbon Dioxide or Nitrogen

Not enough information

Tags

NGSS.MS-PS1-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

You are testing unknown gas C with a small flame test. You observe that when gas C is exposed to the flame the flame burns bright green. Using the provided chart, determine which gas is most likely gas C.

Oxygen

Methane

Carbon Dioxide

Either Carbon Dioxide or Nitrogen

Not enough information

Tags

NGSS.MS-PS1-2

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cherylanne mixes together Chemical A and Chemical B in a test tube, forming Chemical C. The mixture instantly turns cool to the touch. She then adds Chemical D, and the reaction becomes hot and explodes.

Chemicals A and B form an endothermic reaction, and chemicals C and D form an exothermic reaction.

Chemicals A and B form an exothermic reaction, and chemicals C and D form an endothermic reaction.

Chemicals A and C form an endothermic reaction, and chemicals B and D form an exothermic reaction.

Chemicals A and B form an exothermic reaction, and chemicals B and D form an endothermic reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

For a science project, Janet performs four experiments that are supposed to show a chemical reaction. She displays her results in a table. In the column titled "Chemical reaction?," which experiment’s data should be changed to "No”?

experiment 1

experiment 2

experiment 3

experiment 4

Tags

NGSS.MS-PS1-2

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