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Science stage 7 unit 2

Total questions: 51

Worksheet time: 2hrs 17mins

Name
Class
Date
1.

Anything that takes up space and has mass is

a)

Matter

b)

Volume

c)

Liquid

d)

Atom

2.

In a _______ the molecules are close together.

a)

solid

b)

liquid

c)

gas

3.

All _______ can move and flow.

a)

liquids

b)

solids

c)

gases

4.

A ________ has no shape and no size.

a)

gas

b)

liquid

c)

solid

5.

Draw the Particles in a solid

6.

Draw the Particles in a gas

7.

Draw the Particles in a Liquid

8.

Which state of matter has both definite shape and definite volume?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

9.

In which state of matter are the particles only vibrating?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

10.

Which state of matter has no definite shape and no definite volume?

(a)  

11.

As matter changes state from liquid to solid, the atoms move___?

a)

Closer together

b)

Stay the same

c)

Farther apart

12.

Molecules are always moving no matter what phase they are in: solid, liquid, gas.

a)

True

b)

False

13.

What happens to molecules when the temperature drops or lowers?

a)

The molecules get closer together

b)

The molecules start moving faster.

c)

The molecules stop moving.

d)

The molecules become smaller.

14.
When a substance melts, the kinetic energy _____________.
a)
decreases
b)
stays the same
c)
increases
d)
decreases then increases
15.
What takes place when a solid changes to a liquid?
a)
condensation
b)
freezing
c)
melting
d)
evaporation
16.

Which is not true about the liquid state of matter?

a)

The liquid state has a definite volume and a definite shape.

b)

The liquid state takes on the shape of its container.

c)

The liquid state has a definite volume and an indefinite shape.

d)

The particles in a liquid can easily move past each other.

17.

Which process could cause a material to change state from gas to liquid?

a)

Adding heat

b)

Adding energy

c)

Removing particles

d)

Removing energy

18.

If I add heat to a solid, how will the motion of the particles be affected?

a)

They will move slower

b)

They will stop moving

c)

They will move faster

d)

They will move to a different container

19.

The change from gas to liquid is called

a)

Condensation

b)

Sublimation

c)

Evaporation

d)
Freezing
20.
Which of these is the right word for the process of turning a solid into a liquid?
a)
Boiling
b)
Melting
c)
Condensing
d)
Evaporating
21.

In which state of matter are particles moving slowest?

a)

solid

b)

gas

c)

liquid

d)

gummy bears

22.

The state of matter depends on its

a)

volume

b)

temperature

c)

weight

d)

mass

23.

How do we call the change of matter form liquid to solid?

a)

Vaporization

b)

Condensation

c)

Freezing

d)

Melting

24.

What properties do liquids have?

a)

definite shape and volume

b)

no definite shape a no definite volume

c)

no definite shape and a definite volume

25.

State of matter can be changed by _________________

a)

cooking

b)

pressing

c)

heating

d)

both, heating and cooling

26.
the change of state from a liquid to a gas that usually occurs at the surface of a liquid
a)
Evaporation
b)
Freezing Point
c)
Vaporization
d)
Boiling Point
e)
Sublimation
27.
A state of matter with no definite shape or volume
a)
Freezing Point
b)
Potential energy
c)
Melting Point
d)
Gas
e)
Vaporization
28.
the temperature at which a given solid will melt.
a)
solid
b)
Potential energy
c)
Melting Point
d)
Freezing Point
e)
Vaporization
29.
The temperature at which a liquid changes into a solid
a)
Freezing Point
b)
Evaporation
c)
Solid
d)
Liquid
e)
Gas
30.
The temperature at which a liquid changes to a gas
a)
melting point
b)
Melting
c)
Boiling Point
d)
Condensation
e)
Evaporation
31.

What is the change in the state of matter called?

a)

Evaporation

b)

Freezing

c)

Melting

32.

What is the change in the state of matter called?

a)

Evaporation

b)

Condensation

33.

The process of water changing from liquid to gas is called what?

a)

Condensation

b)

Evaporation

c)

Rain

d)

Osmosis

34.

The process of water falling back to Earth in the form of rain, snow, or hail is called what?

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Infiltration

35.

What is the name of the process by which water vapor turns back into liquid water?

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Infiltration

36.

The main energy source that drives the water cycle is what?

a)

Wind

b)

Sun

c)

Moon

d)

Earth's Core

37.

What is the process by which excess water flows over the surface of the ground?

a)

Osmosis

b)

Runoff

c)

Condensation

d)

Evaporation

38.

The process of water vapor turning into liquid water droplets in the atmosphere is called what?

a)

Evaporation

b)

Condensation

c)

Precipitation

d)

Infiltration

39.
What step of the water cycle occurs when clouds become too heavy? 
a)
Condensation
b)
Runoff
c)
Precipitation
d)
Evaporation
40.
True or False: Water vapor is the name given to water in liquid form.
a)
True
b)
False
41.
What is NOT an example or precipitation?
a)
Rain
b)
Snow
c)
Sleet
d)
Wind
42.

What is the correct order of the water cycle?

a)

Evaporation, Condensation, Precipitation, Runoff

b)

Runoff, Precipitation, Condensation, Evaporation

c)

Evaporation, Precipitation, Runoff, Condensation

d)

Condensation, Evaporation, Runoff, Precipitation

43.

True or False: Clouds form during condensation.

a)

True

b)

False

44.

What step of the water cycle does this picture show?

a)

Condensation

b)

Runoff

c)

Precipitation

d)

Evaporation

45.

What is it called when water droplets form on the outside of a cool glass?

a)

Condensation

b)

Transpiration

c)

Precipitation

d)

Evaporation

46.

What is evaporation?

a)

Water loses heat and changes into ice.

b)

Water gains heat and changes into water vapour.

c)

Water vapour loses heat and changes into water droplets.

47.

Which of the following is an example of condensation?

a)

Clothes drying under the hot sun

b)

Snow on the road quickly changes into water

c)

Water on the road quickly disappears after a heavy rain

d)

Mist forming above the boiling water

48.

As time goes by and water goes through the water cycle again and again, the amount of water on Earth__________.

a)

decreases

b)

increases

c)

remains the same

49.

Water boils at _______________.

a)

10°C

b)

0°C

c)

100°C

d)

50°C

50.

Water freezes at ______________.

a)

0°C

b)

100°C

c)

50°C

d)

20°C

51.

Which of the following processes involves gaining heat?

a)

melting

b)

freezing

c)

condensation

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