Density and Pressure

Does this picture show high or low density?

• High density

• Low density

Does this picture show high or low density?

• High density

• Low density

Which is MORE dense?

• Sponge

• Brick

Does high air pressure systems SINK or RISE in the atmosphere?

• Sink

• Rise

Do LOW air pressure systems SINK or RISE in the atmosphere?

• Sink

• Rise

Are high pressure systems MORE or LESS dense than low pressure systems?

• More

• Low

Are low pressure systems MORE or LESS dense than high pressure systems?

• More

• Low

As air moves UP, do the air molecules come together or spread out?

• Come together

• Spread out

What does a barometer measure?

• Temperature

• Density

• Pressure

As density INCREASES, what happens to air pressure?

• Increase

• Decrease