CIE Physics 2.3thermal processes

• A

• B

• C

• D

• A

• B

• C

• D

• air temp - cool, direction - away from heater

• air temp - cool, direction - towards heater

• air temp - warm, direction - away from heater

• air temp - warm, direction - towards heater

• a

• b

• c

• d

• The air contracts and becomes less dense

• The air contracts and becomes more dense

• The air expands and becomes less dense

• The air expands and becomes more dense

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d

• a

• b

• c

• d