Course

Biology Science

Study Pack

Set 5 Life In The Greenhouse Photosynthesis And Climate Change

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Question 1

(Multiple Choice)

Free
How would Earth change if the greenhouse effect didn't exist at all?

A) Earth would radiate most of its heat energy into space.
B) All incoming sunlight energy would be absorbed.
C) Earth would be an extremely hot planet that never cools down.
D) Animals and plants would survive comfortably and average temperatures would never change.

Answer

Question 2

(Multiple Choice)

Free
What happens when water is heated?

A) It's broken into hydrogen and oxygen atoms.
B) New hydrogen bonds are created between water molecules.
C) Hydrogen bonds between water molecules are broken.
D) Hydrogen atoms jump from one water molecule to another water molecule.

Answer

Question 3

(Multiple Choice)

Free
Which definition describes "heat"?

A) the rate that molecules are moving within a substance
B) the resistance to temperature change within a substance
C) the ability of a substance to transfer energy between its molecules
D) the total amount of energy associated with the movement of molecules in a substance

Answer