VAPOUR AND HUMIDITY
1.
Animals that live in
extreme climates have adapted to control their rate of heat transfer. For
example, animals in hot climates often have larger ears than those that live in
cold climates.
(a) Explain how having large
ears could be an advantages to an animal living in a hot climate
(b) In hot conditions, many
animals sweat. Explain, in terms of energies, how sweating will help keep an
animal cool
2.
a) When we take exercise we sweat. Even on a warm day having
wet skin can soon make
you feel cold.
Why does sweating help us stay cool?
b) Even on a warm day having wet skin
can soon make you feel cold. Explain why.
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