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1.3 Physical & Chemical Changes + Density

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.

Changes in the state of matter (solids, liquids, gases) are always _________ changes.

a)

Chemical

b)

Physical

c)

Permanent

d)

Irreversible

2.

____ can be used to separate substances based on the size of their particles.

a)

Distillation

b)

Filtration

c)

Precipitation

d)

Chromatography

3.

When a physical change occurs, ___ does not change

a)

Color

b)

Size

c)

Weight

d)

Composition

4.

In a chemical change, ____ is changed unlike in a physical change.

a)

Color

b)

Size

c)

Weight

d)

Composition

5.

Distillation is a process used to separate liquid mixtures due to differences in their _____.

a)

Melting Point

b)

Boiling Point

c)

Particle Size

d)

Freezing points

6.

What method can be used to separate parts of a liquid mixture when the entire mixture can pass through a filter?

a)

Distillation

b)

Filtration

c)

Precipitation

d)

Chromatography

7.

A bicycle chain rusting is a ___ change

a)

Physical

b)

Chemical

8.

A chocolate bar melting is a ___ change

a)

Physical

b)

Chemical

9.

Silver jewelry tarnishing is a ___ change

a)

Physical

b)

Chemical

10.

Any biological change is a ___ change

a)

Physical

b)

Chemical

11.

Boiling water is a ___ change

a)

Physical

b)

Chemical

12.

Burning paper is a ___ change

a)

Physical

b)

Chemical

13.

Ripping paper is a ___ change

a)

Physical

b)

Chemical

14.

Grass growing is a ___ change

a)

Physical

b)

Chemical

15.

To calculate Density

a)

divide mass by volume

b)

multiply mass times volume

c)

divide volume by mass

d)

subtract mass from volume

16.

To calculate Mass

a)

divide density by volume

b)

multiply density times volume

c)

divide volume by density

d)

subtract density from volume

17.

To calculate Volume

a)

divide mass by density

b)

multiply mass times density

c)

divide density by mass

d)

subtract mass from density