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Particle theory

Total questions: 27

Worksheet time: 8mins

Name
Class
Date
1.

The particles of ___________________ are tightly packed.

a)

solids

b)

liquids

c)

gases

d)

none

2.

The particles of liquids can:

a)

vibrate

b)

move past each other

c)

both

d)

none

3.

The forces of attraction between particles of _________ are weakest.

a)

solids

b)

liquids

c)

gases

d)

none

4.
Number 2 represents a ________
a)
solid
b)
liquid
c)
gas
d)
plasma
5.
As particles are exposed to warmer temperatures they __________
a)
speed up
b)
slow down
c)
stay the same
d)
vibrate
6.
As particles are exposed to colder temperatures they _____
a)
speed up
b)
slow down
c)
stay the same
d)
become ions
7.
An inflated balloon is placed in a refrigerator. Which statement describes the movement of the gas particles in the balloon?
a)
The particles move more slowly and become closer together.
b)
The particles move more slowly and become further apart.
c)
The particles move faster and become closer together.
d)
The particles move faster and become further apart. 
8.
What is the volume of the rock? The water level is displaced from 20 mL to 23 mL with the rock.
a)
3 mL
b)
23 mL
c)
20 mL
d)
43 mL
9.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
10.
What does the particle diagram show?
a)
solid
b)
liquid
c)
gas
d)
plasma
11.
What does the particle diagram show?
a)
solid
b)
liquid
c)
gas
d)
plasma
12.
What is the change of state from a gas to a liquid called?
a)
melting
b)
evaporation
c)
condensation
d)
sublimation
13.

Which of the following sentences are true about solids?

a)

Solids are rigid, have a fixed shape but not a fixed volume

b)

Solids are not rigid, have a fixed shape and no fixed volume

c)

Solids are rigid, have a fixed shape and a fixed volume

14.

Particles are always moving.

a)

True

b)

False

15.

Something that goes from liquid to gas is...

a)

Evaporation

b)

Melting

c)

Freezing

d)

Sublimation

16.

Which image shows particles in a solid?

a)
b)
c)
17.

Which image shows particles in a liquid?

a)
b)
c)
18.

Which image shows particles in a gas?

a)
b)
c)
19.
What am I? I have a fixed mass, a fixed volume, I cannot be squashed and I have a shape that changes to fit the bottom of my container?
a)
solid
b)
liquid
c)
gas
d)
plasma
20.
Which point of the particle theory is depicted in this picture?
a)
particles are in constant motion
b)
different substances are made of different particles
c)
all matter is made of particles
d)
particles move faster when heat is added
21.
Which point of the particle theory is depicted in this picture?
a)
particles slow down when heat is removed
b)
particles are in constant, random motion
c)
different types of matter are made of different types of particles
d)
all matter is made of particles
22.
Which point of the particle theory is depicted by this picture?
a)
all matter is made of particles
b)
The attraction between particles increases as they get closer
c)
particles are in constant, random motion
d)
particles speed up as heat is added
23.
Which point of the particle theory is depicted by this picture?
a)
all matter is made of particles
b)
particles are in constant, random motion
c)
particles speed up as heat is added and slow down as heat is removed
d)
different substances are made of different types of particles
24.
The amount of matter in an object is a measure of the object's ________________.
a)
volume
b)
density
c)
mass
d)
solubility
25.
Which state of matter has molecules that slide past each other but stay close together? They do not form a regular pattern.
a)
solid
b)
liquid
c)
gas
26.
If the temperature of a gas increases what happens to its pressure?
a)
decreases
b)
increases
c)
stays the same
d)
increases and decreases
27.

Which statement about the molecules in the gas carbon dioxide is correct?

a)

The molecules are close together.

b)

The molecules are diatomic.

c)

The molecules move randomly.

d)

The molecules all move with the same speed.

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