What do we call the layers of gases around the Earth?
How do particles of a gas move?
As altitude increases, the amount of oxygen ______________
Drag the characteristics or details to the correct state of matter.
has a definite volume but no defined shape


particles vibrate in a fixed position
has a defined shape and volume
are somewhat close together but can move freely
particles collide and move everywhere
has a volume that can change

Solid
Liquid
Gas
Everything, including liquids, are made up of tiny . The particles move around and as they do this they with the they come into contact with . The force of the particles hitting a surface causes . Pressure comes from all
Here are 2 shoes - a snowshoe and a stiletto high heel. Which do you think sinks quicker in snow? Why?