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Exploring States and Changes of Matter

Total questions: 33

Worksheet time: 26mins

Name
Class
Date
1.

What are the three main states of matter?

a)

Solid, Liquid, Gas

b)

Solid, Liquid, Plasma

c)

Liquid, Gas, Plasma

d)

Solid, Gas, Plasma

2.

Which state of matter has a definite shape and volume?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

3.

What is the process called when a solid changes directly into a gas?

a)

Melting

b)

Condensation

c)

Sublimation

d)

Evaporation

4.

Which of the following is an example of a physical change?

a)

Burning wood

b)

Rusting iron

c)

Melting ice

d)

Baking a cake

5.

What is the term for the amount of mass per unit volume of a substance?

a)

Buoyancy

b)

Density

c)

Volume

d)

Mass

6.

If an object is less dense than the liquid it is placed in, what will happen?

a)

It will sink

b)

It will float

c)

It will dissolve

d)

It will evaporate

7.

Which state of matter has particles that are tightly packed and only vibrate in place?

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

8.

What happens to the particles of a substance as it changes from a liquid to a gas?

a)

They move closer together

b)

They move further apart

c)

They stop moving

d)

They become charged

9.

Which of the following is NOT a state of matter?

a)

Solid

b)

Liquid

c)

Gas

d)

Energy

10.

What is the process of a gas changing into a liquid called?

a)

Evaporation

b)

Condensation

c)

Freezing

d)

Sublimation

11.

Which of the following best describes buoyancy?

a)

The ability of an object to sink in a fluid

b)

The ability of an object to float in a fluid

c)

The weight of an object in air

d)

The volume of an object

12.

What is the term for the change of state from liquid to solid?

a)

Melting

b)

Freezing

c)

Boiling

d)

Condensation

13.
Measures how fast or how slow molecules are moving
a)
Thermometer
b)
Temperature
c)
Heat
d)
All of them
14.
Device/Object that measures temperature. 
a)
Thermal energy
b)
Temperature
c)
Thermometer
d)
Heat
15.

A temperature scale that is used mostly in United States.

According to it, water freezes at 32 degrees and boils at 212 degrees.

a)

Celsius

b)

Fahrenheit

c)

Kelvin

d)

All of them

16.
Scientists' favorite temperature scale, because it begins at the absolute coldest anything can get. 
a)
Celsius
b)
Fahrenheit
c)
Kelvin
d)
All of them
17.
The faster molecules move, 
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
18.
The slower molecules move, 
a)
the higher the temperature
b)
the less temperature
c)
the same temperature
d)
I don't know
19.
There are 3 main scales by which temperature is measured. 
a)
True 
b)
False
20.
This happens to water at 0 degrees Celsius.
a)
Boils
b)
Freezes
c)
Heats
d)
All of them
21.
This happens to water at 100 degrees Celsius.
a)
Boils
b)
Freezes
c)
Heats
d)
All of them
22.

How much of the matter in the universe is made up of atoms?

a)

1 %

b)

100 %

c)

30 %

d)

99 %

23.

What effect does the sun have on surface water?

a)

It causes it to boil

b)

It causes it to rain

c)

It causes it to sink

d)

It causes it to evaporate

24.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
25.

What can cause cracks in rocks or even sidewalks?

a)

Snow melting

b)

erosion

c)

Ice wedging from water freezing

26.

What is the turnover effect in lakes?

a)

The process of water layers mixing due to temperature changes

b)

The process of ice forming on the surface of the lake

c)

The process of fish migrating to deeper waters

d)

The process of algae blooming in the summer

27.

During which season does lake turnover typically occur?

a)

Only in Winter

b)

Only in Summer

c)

Summer and Winter

d)

Spring and Fall

28.

How does ice formation on a lake affect the turnover process?

a)

It causes turnover to happen continuously

b)

It has no effect on the turnover process

c)

It accelerates turnover by cooling the water

d)

It prevents turnover by insulating the water below

29.

Why does ice float on water?

a)

Because it is less dense than water

b)

Because it is heavier than water

c)

Because it is the same density as water

d)

Because it is denser than water

30.

How does the formation of ice on the surface of a lake benefit aquatic life?

a)

It allows more sunlight to penetrate

b)

It increases the water's salinity

c)

It provides more oxygen

d)

It insulates the water below, maintaining a stable temperature

31.

What happens to the density of water as it freezes?

a)

It becomes zero

b)

It remains the same

c)

It decreases

d)

It increases

32.

What happens to the mass of water when it changes from liquid to gas?

a)

It becomes zero

b)

It increases

c)

It decreases

d)

It remains the same

33.

How does the density of water change as it transitions from liquid to solid?

a)

It becomes zero

b)

It remains the same

c)

It decreases

d)

It increases