Keeping Warm, Keeping cool Flashcards
-Be able to describe different ways in which animals keep heat warm -Be able to explain how some of these work in terms of heat transfer. -Describe how some animals keep cool
1
Q
In whom does the heat loss problem occur?
A
Mammals and Birds
2
Q
What is the heat loss problem?
A
The heat loss problem is when you lose heat because your body is warmer than the air around you.
3
Q
What do humans do to solve the heat loss problem?
A
They wear clothes
4
Q
What are two ways mammals solve their heat loss problem.
A
They have a layer of fat called blubber or have fur which traps air inside.
5
Q
How do birds solve the heat loss problem
A
They have feathers which trap air inside.
6
Q
how do some animals keep cool
A
They sweat
7
Q
What does vacuum mean?
A
A space where there is no matter or where the pressure is extremely low that the particles in the space does not affect any processes being carried out there.