Solids
A _____has definite shape and volume.
A SOLID has definite shape and volume.
A _____ has definite volume but no shape.
A LIQUID has definite volume but no shape.
A _____ has no definite shape or volume.
A gas has no definite shape or volume.
What is matter?
everything around us
What happens when a solid like ice is heated?
it melts into a liquid
What must happen when you turn a liquid into a solid?
you must remove heat and freeze it
What do gas particles look like and move like?
The particles are far apart and move quickly in all directions.
What are the tiny parts that make up all matter?
Atoms or particles
because particles in solids are very closely packed together
What do liquid particles look like and move like?
They are fairly close together with some attraction, and move around in all different directions but do not go too far.
What is an example of a liquid turning into a gas?
Steam!
What is the estimated number of atoms in your body?