WONDER #1807: Does Hot Air Always Rise?

Question 1 of 3

Hot air does what?

1. falls
2. descends
3. rises
4. sinks

Question 2 of 3

Hot air is less what than cold air?

1. dense
2. liquid
3. colorful
4. energetic

Question 3 of 3

Air pressure does what as you ascend to a higher altitude?

1. increases
2. doubles
3. triples
4. decreases

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