Vocab
Photosynthesis
Respiration
Combustion
Decomposition
100

The process in which carbon is exchanged between living organisms and the environment.

What is the carbon cycle?

100
Animals, and humans, get their carbon and energy from this.

Plants.

100

Respiration uses this.

Oxygen.

100

When humans burn fossil fuels, ___ ____ enters the atmosphere.

Carbon dioxide.

100

These are the organisms that mainly decompose organic matter.

Bacteria and fungi.

200

The process in which plants use energy from the sun and convert it into food.

What is photosynthesis?

200

During photosynthesis plants use carbon to produce this.

Sugar.

200

Carbon is returned to the atmosphere when these molecules are broken down.

Sugar molecules.

200

These are the two main things that are burned in combustion.

Wood and fossil fuels.

200

List two scavengers that contribute to the decomposition process. (Animals that eat already dead animals).

Coyotes and vultures.

300

The process of burning something.

What is combustion?
300

Plants get their carbon dioxide from this.

The atmosphere.

300

These are the two products of respiration.

Carbon dioxide and water.

300

Combustion is a chemical reaction and releases this type of energy.

Thermal energy, Heat.

300

All organisms decay, decompose, in the same exact same way. True or false?

False.

400

The process of something being broken down, an organism's body is broken down.

What is decomposition?

400

The pigment that plants have that they use during photosynthesis.

Chlorophyll.

400

Respiration uses food and oxygen to produce this.

Chemical energy.

400

These are the two reactants of combustion.

Fuel and oxygen.

400

When bacteria or fungi break down organic matter these two substances are returned to the atmosphere/environment.

Carbon dioxide and water.

500

The exchange of oxygen and carbon dioxide among organisms and their environment.

What is respiration?

500

The food that plants produce during photosynthesis is referred to as this.

Glucose.

500

A specific lighting is needed for respiration to happen. True or False? 

False.

500

These are some additional chemicals that are formed during the combustion reactions.

CO (carbon monoxide), NO (nitric oxide), NO2 (nitrogen dioxide), SO2 (sulfur dioxide), soot, and ash.

500

Typically, there are ____ steps in the decomposition process.

Five.

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