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Particle model Y9

Total questions: 46

Worksheet time: 33mins

Name
Class
Date
1.

Which state of matter has the particles most closely packed?

a)

Solid

b)

Liquid

c)

Gas

2.

Which state of matter has the weakest force between particles?

a)

Solid

b)

Liquid

c)

Gas

3.

Which state of matter has the fastest moving particles?

a)

Solid

b)

Liquid

c)

Gas

4.

Which state of matter has particles that are regularly arranged?

a)

Solid

b)

Liquid

c)

Gas

5.

Which state of matter has strong forces between particles?

a)

Solid

b)

Liquid

c)

Gas

6.

Tick the states of matter where the particles are in an irregular arrangement.

a)

Solid

b)

Liquid

c)

Gas

7.

Which state of matter do the particles vibrate on the spot

a)

Solid

b)

Liquid

c)

Gas

8.

The total kinetic and potential energy of all the particles added up is called the (a)   energy

9.

The energy needed to change the state of 1 kg of a substance is called

a)

latent heat

b)

specific heat capacity

10.

The energy needed to heat 1 kg of a substance up by 1oC is called

a)

latent heat

b)

specific heat capacity

11.

Change of state from liquid to solid is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

12.

Change of state from solid to liquid is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

13.

Change of state from liquid to gas is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

14.

Change of state from gas to liquid is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

15.

Change of state from solid to gas is called

a)

Freezing

b)

Melting

c)

Boiling

d)

Condensing

e)

Sublimation

16.

What state is A-B

a)

Solid

b)

Liquid

c)

Gas

17.

What state is C-D?

a)

Solid

b)

Liquid

c)

Gas

18.

What state is E-F?

a)

Solid

b)

Liquid

c)

Gas

19.

What change of state is B-C?

a)

Melting/freezing

b)

Boiling/Condensing

20.

What change of state is D-E?

a)

Melting/freezing

b)

Boiling/Condensing

21.
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 
22.
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 around. 
23.

Gold is a dense solid. What does this mean?

a)

It is hard

b)

It is heavy

c)

It is heavier than other things of the same size

d)

It is malleable

24.

What is the equation for density?

a)

Density = mass x volume

b)

Density = weight x volume

c)

Density = volume / mass

d)

Density = mass / volume

25.

Which of these is false about solids

a)

Particles move about fixed positions

b)

Solids can easily change shape

c)

Solids have fixed volumes

d)

Solids cannot flow

26.

The internal energy of a substance is...

a)

the movement of particles

b)

the average kinetic energy of the particles

c)

the average kinetic and potential energy of the particles

d)

the average potential energy of the particles

27.

What causes gas pressure?

a)

The gas particles condensing on the surface of a container

b)

The gas particles colliding with each other

c)

The gas particles colliding with the surface of the container

28.

Assuming temperature remains constant, what will happen to the pressure of a gas if the volume is decreased?

a)

the pressure will increase

b)

the pressure will decrease

c)

the pressure will not change.

29.

Latent Heat of Fusion: The amount of energy required to change the state of 1kg a substance from solid to liquid at fixed _____________

a)

Quantity

b)

Heat Energy

c)

Temperature

d)

Pressure

30.

A cube of metal has side 2 cm. It weighs 10g. Find its density.

a)

5 g / cm3

b)

20 g / cm3

c)

0.2 g / cm3

d)

1.25 g / cm3

31.

It's the SI unit for Heat

a)

Watts

b)

Celsius

c)

Joules

d)

Nm

32.

Increasing the temperature of a gas increases the store of which energy type of the particles?

a)

Potential Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

Pressure

33.
What happens to particles as they heat up?
a)
They slow down
b)
Nothing
c)
They don't move
d)
They speed up
34.
Adding HEAT to matter causes its particles to:
a)
move faster and farther apart
b)
Move slower and farther apart
c)
Move faster and closer together
d)
Move slower and closer together
35.

Find the energy required to boil 0.250 kg of water away at 100ºC. The Latent Heat of Vapourisation of water is 2260 KJ/kg.

Q=mLv Q=mL_v\  

Lv of water = 2260 kJ per kgL_v\ of\ water\ =\ 2260\ kJ\ per\ kg  

a)

565 000 J

b)

565 J

c)

9040 J

d)

9.040 J

36.

What is the graph called?

a)

Melting and Boiling graph

b)

Temperature Graph

c)

Heating Curve of a substance

d)

Graph of Temperature and heating up

37.

At which point does the substance finish boiling

a)

B

b)

C

c)

E

d)

F

e)

D

38.

The internal energy of a substance is made up of these two parts:

a)

elastic energy and potential energy

b)

internal energy and vibration energy

c)

potential energy and kinetic energy

d)

kinetic energy and elastic energy

39.

The thermal energy of a substance is called the........

a)

Maternal energy

b)

External energy

c)

Paternal energy

d)

Internal energy

40.

When we increase the kinetic energy of particles we also increase their .............?

a)

mass

b)

temperature

c)

size

d)

area

41.

Between which two points is iron a solid?

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

42.

During which two sections of the graph does the temperature stay constant? (You must choose two answers)

a)

A to B

b)

B to C

c)

C to D

d)

D to E

e)

E to F

43.

At what point do the particles have the most kinetic energy?

a)

A

b)

C

c)

D

d)

F

44.

What is the melting point of iron?

a)

0 oC

b)

1500 oC

c)

2800 oC

d)

3300 oC

45.

What is happening at point D?

a)

The iron has disappeared

b)

The iron has stopped melting

c)

The iron is getting colder

d)

The iron is starting to boil

46.

When an ice cube melts, what happens to the total mass of water?

a)

It stays the same

b)

It decreases

c)

It increases

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