States
What are the three common states of matter?
Solid, Liquid, Gas
What happens during melting?
A solid changes to a liquid
What is everything around us made out of?
Matter
What is matter?
Anything that takes up space.
What are molecules like in gas form?
What happens during freezing?
A liquid turns to a gas.
What is water vapor?
Water in its liquid state.
What is absolute zero?
When no molecules are moving, not possible because molecules are always moving a little.
What are molecules like in solid form?
Very close together, not moving
What is evaporation?
When a liquid changes to a gas.
In what state of matter do molecules move the slowest?
Solid
What does the word molecule mean?
Small unit of mass
In which state of matter do molecules take the shape of their container?
Liquid
What is condensation?
When a gas changes to a liquid.
In what state of matter do molecules move the fastest?
Gas
What is condensation?
When water vapor becomes a liquid
What are molecules like in liquid form?
Relatively close together, but not as close as a solid
What causes matter to change state? (2)
Heat and Energy
What is the difference between the three states of matter?
How fast the molecules move
What is evaporation?
When a liquid turns into a gas