Study Guide for Do Now Quiz 13 Photosynthesis

We know that plants make their own food. What is a plant's food?

• sunlight

• water

• nutrients from soil

• glucose

• carbon dioxide

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Photosynthesis is a

• chemical reaction

• magic trick

• natural wonder

• physical change

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How many carbon dioxide and water molecules are needed to make one glucose molecule?

• 2

• 4

• 6

• 8

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What are the sources of MATTER in photosynthesis?

• sunlight and glucose

• water and carbon dioxide

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What are the sources of ENERGY in photosynthesis?

• sunlight and glucose

• water and carbon dioxide

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How is it possible that the inputs into the plant can enter the plant and produce different outputs from the plant?

• A chemical reaction inside chloroplasts, called photosynthesis, creates new atoms that did not exist before.

• A chemical reaction inside the plant changes sunlight into water and carbon dioxide, which are released as outputs.

• Photosynthesis is a chemical reaction that rearranges all the atoms of the inputs and makes new molecules we call outputs.

• Chemical reactions like photosynthesis destroy some of the original atoms to produce energy.

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Which part of this equation contains the inputs and which contains the outputs?

• The left side contains inputs, and the right side contains outputs.

• The right side contains inputs, and the left side contains outputs.

• Both sides contain inputs and outputs.

• Neither side contains inputs or outputs.

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How many atoms are in C6H12O6?

• 1

• 3

• 12

• 24

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How many atoms are in 6O2?

• 1

• 6

• 8

• 12

• 18

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Yesterday, we used individual Legos to represent:

• cells

• atoms

• molecules

• food molecules

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