Carbon Cycle
Water Cycle
Nitrogen Cycle
Oxygen Cycle
100

A heterotroph is an organism that cannot make its own food

False

100

Process in which liquid water turns into water vapor 

Evaporation 

100

In the nitrogen cycle

a. Sugar is produced in the form of glucose 

b. Nitrogen must change forms in order to be usable by plants 

c. Plants make their own food 

d. Carbon dioxide is released into the atmosphere 


Nitrogen must change forms in order to be usable by plants 

100

Which is true about the oxygen cycle?

a. Animals take in oxygen and use it to break down glucose and release energy

b. Plants take in glucose and use it to make carbon dioxide 

c. The first step is fixation 

d. Carbon travels from the atmosphere into organisms and the Earth and then back into the atmosphere  

Animals take in oxygen and use it to break down glucose and release energy

200

Which is true of the carbon cycle?

a. Plants take in oxygen and produce carbon dioxide 

b. Bacteria help the cycle work properly 

c. Some carbon is trapped beneath the Earth in rocks and sediments

d. water and carbon dioxide come together to make sugar 


Some carbon is trapped beneath the Earth in rocks and sediments

200

Process in which water vapor turns into liquid water 

Condensation 

200

The useable form of nitrogen is called 

Nitrates 

200

What are the main producers of oxygen?

Plants 

300

What is the carbon cycle

recycling of carbon throughout our Earth's system. In this process, carbon travels from the atmosphere into organisms and the Earth and then back into the atmosphere 

300

Process in which water falls from the clouds to the Earth

Precipitation 

300

What do animals do with the nitrogen they absorb?

a. Produce toxins 

b. Produce oxygen 

c. Produce carbon dioxide 

d. Build proteins and DNA

Build proteins and DNA

300

What two energy cycles does Photosynthesis fall under?

Oxygen and Carbon 

400

What is the greenhouse effect?

increase in greenhouse gases such as carbon dioxide which causes the Earth to increase in temperature 

400

Water is a nonrenewable resource 

False 

400

What organism is responsible for fixing Nitrogen?

Bacteria 

400

What is a producer?

 A producer is an organism that creates its own food or energy.

500

What is a fossil fuel?

a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms.

500

What is the water cycle?

The water cycle shows the continuous movement of water within the Earth and atmosphere. It is a complex system that includes many different processes.

500

WHat are the five steps of the Nitrogen Cycle?

Fixation, Nitrification, Assimilation. Ammonification, Denitrification 

500

What do photo and synthesis mean?

Photo means light and synthesis means to make or create 

M
e
n
u