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PBA #1 Test Review

Authored by Amanda Nutt

Chemistry

7th Grade

NGSS covered

Used 8+ times

PBA #1 Test Review
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36 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happens to gas in a balloon, when there is more energy in a room? (Hint: When the room is warmer.)

The gas particles will spread apart and move faster.

The gas particles will come closer together and slow down.

The speed and spacing of the gas particles will not change.

Tags

NGSS.MS-PS1-4

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happens to the gas in a balloon, when you put a balloon in the freezer?

The gas particles will spread apart and move faster.

The gas particles will come closer together and slow down.

The speed and spacing of the gas particles will not change.

Tags

NGSS.MS-PS1-4

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

What happened to the molecules of the ice cream in my hand when it started to melt?

The solid particles will spread apart and move faster.

The solid particles will come closer together and slow down.

The speed and spacing of the solid particles will not change.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the subscript for K?

3KCl₂

3

2

1

6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many elements are in the formula?

3KCl₂

3

2

1

6

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the coefficient for K?

3KCl₂

3

2

1

6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

How many total atoms of K are there?

3KCl₂

3

2

1

6

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