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Chemical Formulas

100

6C0₂ is _________

Carbon Dioxide

200

6H₂0

6 water molecules

300

C₆H₁₂O₆

Glucose

400

6CO_{2 +} 6H₂O₆ --------->C₆H₁₂O₆ + 6O₂

_{What is this chemical formula?}

Photosynthesis

500

Photosynthesis makes ______________ for plants.

Food/Glucose

Chemical Symbols

100

The chemical symbol "C" stands for _____________

Carbon

200

The chemical symbol "H" stands for _____________

Hydrogen

300

The Chemical Symbol "O" Stands for __________

Oxygen

400

How many carbon Dioxide molecules are needed to make one glucose?  (Hint: Look at the big numbers)

6CO₂

6

500

How many Hydrogen Molecules are there in one oxygen molecule?

H₂O

2

Plant/Animal Relationships

100

Animals get the energy they need to grow from

a. air

b. sleep

c. plants

d. water

c. plants

200

Sort the steps of the carbon cycle starting with the atmosphere:

plant, decomposer, atmosphere, animal

1. atmosphere

2. plant

3. animal

4. decomposer

300

True or false: plants do not need animals to survive.

True

400

Plants get the materials they need to grow mainly from the ______________

soil

sunlight

air

Air

500

True or false: there must be an equal number of plants and animals for a healthy ecosystem.

False

Carbon Cycle

100

Carbon dioxide begins in the ___________

Plant

Atmosphere

Soil

Atmosphere

200

The CO₂ moves from the atmosphere to the ___________.

animal

plant

decomposer

Plant

300

Through _________________, the plant uses the CO₂ to make glucose.

Cellular Respiration

Photosynthesis

Photosynthesis

400

The Carbon goes from the plant to an ____________ when the plant is eaten.

Animal

500

The final stage for the carbon is to become ____________ for the animal, or to be breathed out as waste CO_2.

Energy

Oxygen

Energy

Carbon Cycle (continued)

100

What do decomposers do in the carbon cycle?

a. break down animals and released trapped carbon back into the atmosphere

b. release oxygen into the atmosphere

c. they don't do anything to help the carbon cycle.

a. break down animals and released trapped carbon back into the atmosphere