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Physical/Chemical Properties and Changes

Authored by Andrea Butler

Science

7th Grade

NGSS covered

Used 15+ times

Physical/Chemical Properties and Changes
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating density?

Mass ∗ Volume

Volume ∗ Mass

Mass / Volume

Volume / Mass

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the density of water?

1 mL

1 gram

1 g/mL

All of the above

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a physical property?

reactivity

state of matter

flammability

toxicity

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an example of a chemical change?

A Hair Cut
Chopping Down a Tree
A Rusting Nail
Ice Melting

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Which box has a higher density?  

Box A
Box B
cannot be determined
they are the same

Tags

NGSS.HS-PS1-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which example best describes a physical change?

iron rusting
charcoal burning
an ice cube melting
a marshmallow burning

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Water is boiled and turns to vapor. The vapor is cooled and changes back into water. Which best describes what has occurred?

a physical change, because the matter changed its state
a chemical change, because the matter changed its state
a physical change, because a new substance was formed
a chemical change, because a new substance was formed

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