Solids Liquids & Gases Flashcards
When a liquid is heated and it changes from a liquid to a gas.
Boiling
When a liquid is cooled and it changes from a liquid to a solid
Freezing
Anything that has definite volume but no definite shape
Liquid
When a solid is heated and it changes from a solid to a liquid
Melting
Describe a Solid?
A solid has a definite shape. It can be hard or soft, smooth or rough.
Difficult to compress or push, or change shape.
The molecules of a solid are compact and close together, and nearly impossible to move through.
Describe a Liquid
A liquid takes the shape of the container it is held in
Can’t be squashed
Describe a Gas
A gas has no shape, but can fill a container or any size or shape
Particles in a gas are more spread out and move all the time.
They are full of energy
What are the three phases of water
Solid
Liquid
Gas
What is the boiling point of water
100 Degrees Celsius
What is the melting point of ice
0 Degrees Celsius
The temperature at which a substance from a liquid to a gas.
Boiling Point
The temperature at which a substance changes from a solid to a liquid
Melting Point