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Energy for life

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

Definition of Heterotroph?

a)

energy

b)

process of carrying oxygen to cells, getting rid of carbon dioxide, and releasing energy.

c)

an organism that obtains nutrients by consuming other organisms.

2.

Where do plants get their food for energy?

a)

water

b)

Sun

c)

From glucose

3.

Definition of Autotroph

a)

an organism that can make its own food by synthesizing organic nutrients from inorganic materials.

b)

energy

c)

transform light energy from the sun into chemical energy

4.

Examples of Autotroph

a)

glucose

b)

sun

c)

plants

5.

what do plants and humans need to live?

a)

sun

b)

energy

c)

glucose

6.

What is the chemical equation for photosynthesis?

a)

CO2+H2O +light energy --> C6H12O6+O2

b)

C6H12O6+O2 --> CO2+H2O+ATP

7.

What do living things need to carry out their life process?

a)

animals

b)

sun

c)

energy

8.

what is an exothermic change?

a)

absorbs energy

b)

releases energy

c)

stays the same

9.

what is an endothermic change?

a)

releases energy

b)

absorbs energy

c)

both

d)

does nothing

10.

which side are the reactants at?

a)

left

b)

right

c)

middle