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Worksheets

Particles

Total questions: 74

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
Which state of matter has tightly packed molecules?
a)
solid
b)
liquid
c)
gas
2.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
3.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
4.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
5.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position.
b)
have no viscosity.
c)
decrease in volume with increasing temperature.
d)
are free to move around one another but still touch.
6.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
7.

Which has a greater distance between particles?

a)

Solid

b)

Liquid

c)

Gas

8.
The teacher heats a pot of water. Once the water reaches 100°C, which point has the water reached?
a)
Boiling
b)
Melting
c)
Freezing
d)
Evaporating
9.
Matter changes state when...
a)
energy is added or removed
b)
energy is added
c)
energy is removed
d)
there is no energy
10.
As molecules gain energy, they move _____ and spread apart, and vise versa.
a)
faster
b)
slower
c)
less
d)
inside
11.
What state is a substance in if the temperature of a substance is between its melting point and its boiling point?
a)
solid
b)
liquid
c)
gas
d)
plasma
12.
In general what is the most dense form of matter?
a)
solid
b)
liquid
c)
gas
d)
plasmas
13.

Something that goes from liquid to gas is...

a)

Evaporation

b)

Melting

c)

Freezing

d)

Sublimation

14.
How do gases behave in a container?
a)
Cluster together
b)
form a solid
c)
They take the shape of their container
d)
leak out 
15.
Which states allow easy flow of particles
a)
Gas and Solid
b)
Gas and Liquid
c)
Solid and Liquid
d)
Gas only
16.
Which of the following is a property of a liquid
a)
Can't be compressed
b)
Can be compressed
c)
Particles are far appart
d)
Particles hold the object's shape 
17.
Can Solids be compressed?
a)
No
b)
Yes
c)
Sometimes (it depends what it's made of)
d)
Generally no
18.

Which description best matches this particle model?

a)

Closely packed and can't move a lot.

b)

Particles are close together but can move a little.

c)

Particles have lots of energy and can move randomly

d)

Particles have little energy and can move randomly

19.

How do the particles in a solid move?

a)

They remain still

b)

They vibrate from side to side

c)

They move around

d)

They move quickly and randomly

20.

What is the equation for density

a)

Density = mass x volume

b)

Density = Volume/Mass

c)

Density = Mass/Volume

21.

Why are liquids more dense than gases?

a)

The particles in a gas are closer together

b)

The particles in a liquid are closer together

c)

The particles in a gas can flow

d)

The particles in a gas move randomly

22.

What is the internal energy of a substance

a)

The sum of the kinetic and potential energies of the particles

b)

The kinetic energy of the particles

c)

The potential energy of the particles

d)

The speed of the particles

23.

The diagram shows a heating curve. What is happening between B and C?

a)

Melting

b)

Evaporating

c)

Condensing

d)

Freezing

24.

The diagram shows a heating curve. What is happening between D and E?

a)

Melting

b)

Evaporating

c)

Condensing

d)

Freezing

25.

The diagram shows a heating curve. What state is the substance between A and B?

a)

Solid

b)

Liquid

c)

Gas

d)

Solid and liquid

26.

The diagram shows a heating curve. What state is the substance between C and D?

a)

Solid

b)

Liquid

c)

Gas

d)

Solid and liquid

27.

The diagram shows a heating curve. What state is the substance between E and F?

a)

Solid

b)

Liquid

c)

Gas

d)

Solid and liquid

28.

The diagram shows a heating curve. Between which points is the internal energy of the substance greatest?

a)

A and B

b)

B and C

c)

D and E

d)

E and F

29.

The diagram shows a heating curve. Between which points is the internal energy of the substance smallest?

a)

A and B

b)

B and C

c)

D and E

d)

E and F

30.

The diagram shows a heating curve. Which section lasts the longest time?

a)

A and B

b)

B and C

c)

D and E

d)

E and F

31.

The diagram shows a heating curve. Which section has the biggest temperature change?

a)

A and B

b)

B and C

c)

C and D

d)

E and F

32.

The diagram shows a heating curve. Which section has no temperature change?

a)

A and B

b)

B and C

c)

C and D

d)

D and E

33.

The diagram shows a heating curve. What is happening to the temperature between A and B?

a)

Staying the same

b)

Going up

c)

Going down

34.

What does this measuring device measure?

a)

Liquid

b)

Volume

c)

Mass

d)

Density

35.

What does this measuring device measure?

a)

Liquid

b)

Volume

c)

Mass

d)

Density

36.

What does this measuring device measure?

a)

Heat

b)

Temperature

c)

Mass

d)

Density

37.

State the units for mass

a)

g

b)

cm3

c)

g/cm3

38.

State the units for volume

a)

g

b)

cm3

c)

g/cm3

39.

State the units for density

a)

g

b)

cm3

c)

g/cm3

40.

What happens to the internal energy of a substance when it's temperature rises?

a)

Nothing

b)

It goes up

c)

It goes down

41.

What does this measuring device measure?

a)

Heat

b)

Volume

c)

Distance

d)

Density

42.

Calculate the energy needed to raise the temperature of 2kg of aluminium by 10oC. The specific heat capacity of aluminium is 900J/kg/oC

a)

18000J

b)

1800J

c)

9000J

d)

4500J

43.

What causes gas pressure?

a)

Collisions between particles and the walls of the container

b)

Too many questions about particles

c)

Collisions between particles

44.

Why does the temperature of a solid remain constant as it is melting?

a)

Heat energy is being converted to kinetic energy

b)

The energy is being absorbed by the particles

c)

Energy is required to overcome all the bonds between the particles

d)

Energy is required to overcome some of the bonds between the particles

45.

What mass of ice could be melted when 60kJ of energy is supplied to it? The specific latent heat of fusion of ice is 334kJ/kg

a)

0.18kg

b)

0.00018kg

c)

5.57kg

d)

0.0057kg

46.

State the units of specific heat capacity

a)

J/kg/oC

b)

J/kg

c)

J/oC

d)

J

47.

Calculate the density of a liquid using this data.

Mass of measuring cylinder = 235g

Mass of measuring cylinder + liquid = 415g

Volume of water = 200cm3

a)

0.9g/cm3

b)

2.075g/cm3

c)

1.175g/cm3

d)

3.25g/cm3

48.

Calculate the specific heat capacity of a substance that takes 46kJ of energy to raise it's temperature by 23oC

a)

2J/kg/oC

b)

2000J/kg/oC

c)

200J/kg/oC

d)

1058J/kg/oC

49.

Which value is higher, the specific latent heat of fusion of a substance or the specific latent heat of vaporisation?

a)

Specific latent heat of fusion

b)

Specific latent heat of vaporisation

c)

They are the same

50.

When calculating the specific heat capacity of a metal block, when should you start timing during your experiment

a)

When the power pack is switched on

b)

When the ammeter and voltmeter readings are steady

c)

When the temperature starts to rise

d)

It doesn't matter

51.

When a gas is heated it's pressure increases because the gas particles collide with the walls with more....

a)

Force

b)

Heat

c)

Bananas

52.

What decreases when liquid changes into a gas?

a)

The space between the particles

b)

The speed of the particles

c)

The energy of the particles

d)

The number of particles per cm3

53.

Which tend to be the most dense?

a)

Solids

b)

Liquids

c)

Gases

54.

What is the correct order for least to most internal energy?

a)

Solid, liquid, gas

b)

Liquid, solid, gas

c)

Gas, liquid, solid

d)

Gas, solid, liquid

55.

What is the correct order for lowest to highest density?

a)

Solid, liquid, gas

b)

Liquid, solid, gas

c)

Gas, liquid, solid

d)

Gas, solid, liquid

56.

What is the density of a rock with mass 5000g and volume 500cm3?

a)

10g/cm3

b)

100g/cm3

c)

1g/cm3

d)

0.1g/cm3

57.

Which of these processes happen at a constant temperature?

a)

Boiling

b)

Melting

c)

Freezing

d)

All of them, they are all changes of state

58.

What is the change of state from gas to liquid?

a)

Evaporation

b)

Freezing

c)

Melting

d)

Condensation

59.

What is the change of state from solid to liquid?

a)

Evaporation

b)

Freezing

c)

Melting

d)

Condensation

60.

What is the change of state from liquid to solid?

a)

Evaporation

b)

Freezing

c)

Melting

d)

Condensation

61.

What is the change of state from liquid to gas?

a)

Evaporation

b)

Freezing

c)

Melting

d)

Condensation

62.

Particles are closest together in ..............

a)

Solids

b)

Liquids

c)

Gases

d)

Winter

63.

Particles are furthest apart in ..............

a)

Solids

b)

Liquids

c)

Gases

d)

Winter

64.

Particles travel fastest in ..............

a)

Solids

b)

Liquids

c)

Gases

d)

Winter

65.

Particles travel slowest in ..............

a)

Solids

b)

Liquids

c)

Gases

d)

Winter

66.

How do particles move in a solid?

a)

Reluctantly

b)

They vibrate

c)

Quickly from place to place

d)

Slowly from place to place

67.

Particles at higher temperatures have

a)

More kinetic energy

b)

More mass

c)

Less mass

d)

Less kinetic energy

68.

All particles in a gas move with the same speed

a)

True

b)

False, they have a range of speeds

69.

What do we need to measure to calculate specific latent heat?

a)

Energy and mass

b)

Energy and volume

c)

Mass and volume

d)

Temperature and mass

70.

What happens to the particles of a solid when they are heated?

a)

They slow down

b)

They lose energy

c)

They gain energy

d)

They get closer together

71.

What do we need to measure to calculate density?

a)

Weight and mass

b)

Weight and volume

c)

Mass and volume

d)

Mas and area

72.

A property of liquids

a)

They have a fixed shape

b)

They can flow

c)

They have low densities

d)

They have low internal energies

73.

A property of gases

a)

They have a fixed shape

b)

They can't flow

c)

They have low densities

d)

They have low internal energies

74.

A property of solids

a)

They have a fixed shape

b)

They can flow

c)

They have low densities

d)

They have high internal energies

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