Changes Of State
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What’s the change from solid to liquid?
Melting
What’s the change from liquid to solid?
Freezing
What’s the change from solid to gas?
Sublimation
What’s the change from gas to liquid?
Condensation
What’s the change from liquid to gas?
Evaporation
What’s a boiling point?
When a liquid turns to gas throughout the liquid at a given temperature (water is 100c)
What’s a melting point
When a solid turns to a liquid at a given temperature.
What’s evaporation
Liquid to gas at the top of the liquid (eg. Steam rising off water)
What’s a physical change?
When atoms form in a new way to give is a mixture but do not create a new substance. They can usually be easily reversed.
What’s a chemical change?
A chemical change is when atoms arrange in a different way to give us a new substance called a compound. They can usually not be reversed.
What’s a compound?
2 or more elements chemically combined.