General
Solids
Liquids
Gases
Phase Changes of Matter
100
What is matter?
Matter is anything that has mass and takes up space.
100
What is a solid?
A solid is matter that has a definite size and shape.
100
What is a liquid?
A liquid is matter that takes the shape of any container.
100
What is a gas?
A gas is matter that has no definite shape and takes the shape of whatever container they are in.
100
What is the phase change called when a solid turns into a liquid?
Melting
200
What are the 3 states of matter?
Solids, liquids and gases
200
List 3 solids in the classroom.
Table, chair, interactive whiteboard
200
Describe the molecules in a liquid.
The molecules in a liquid can flow easily.
200
List 3 examples of gases.
Helium
Carbon dioxide
Oxygen
200
When a liquid turns into a gas the process is called?
Evaporation
300
Is plain water denser than salt water?
No. Salt water is denser.
300
Describe the molecules in a solid.
The molecules in a solid are tightly compact.
300
What is one liquid that can be all 3 states of matter?
Water
300
What is the change called when a gas turns into a liquid?
a) Evaporation
b) Condensation
c) Sublimation
300
When a liquid turns into a solid, the process is called?
Freezing
400
What are properties?
Properties are unique characteristics that help us describe matter.
400
When a solid _____ it turns into a liquid.
a) freezes
b) melts
c) heats
400
To turn liquid into a gas what must you add?
Heat
400
Describe the molecules in gases.
The molecules in gases are free flowing and can take the shape of whatever container they are in.
400
When a liquid is heated and it bubbles up. What is that process called. Starting with a 'b'
Boiling
500
In the world of science, when things cannot be categorised using our senses we use these specific properties to help us. All matter has these properties, even the ones we can’t see. What are they?
Mass
Weight
Volume
Density
500
What is the phase change called when a solid changes to a gas?
Sublimation
500
Moving a liquid from a smaller container to a larger container does not change its _____?
a) Shape
b) Density
c) Volume
500
What is the phase change called when a gas turns into a solid?
Deposition
500
Draw the Phase Changes triangle/diagram and label it correctly.
