Photosynthesis Practice

Photosynthesis is a word that comes from two old Greek words, "photo" and "synthesis." What do those words mean in English?

• Photo means "plant," and synthesis means "food."

• Photo means "picture," and synthesis means "fake."

• Photo means "light," and synthesis means "putting together."

• Photo means "instant," and synthesis means "coffee."

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Photosynthesis is a process by which...

• ...plants make their own food to be able to grown and develop.

• ...people design cameras

• ...plants turn into dirt.

• ...microscopic animals get eaten.

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Plants and solar panels are similar because they both

• need energy to grow and develop.

• make food for themselves.

• make electricity for your home.

• get energy from the sun.

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Plants use photosynthesis to get energy for...

• ...dancing in the wind.

• ...making their own food.

• ...jumping up and down.

• ...attracting animals.

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All plants have a green substance that helps them absorb sunlight. This green substance is contained in special plant parts called chloroplasts. What is that substance called?

• chlorophyll.

• photovolts.

• cells.

• stalks.

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Before a plant can use its chlorophyll to start photosynthesis, it must be given three elements. Another word for these elements is "inputs." Which of the following is NOT a required input for photosynthesis?

• Sunlight

• Water

• Dirt

• Carbon Dioxide

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The food that plants make for themselves is called glucose. Plants use their food to get their energy. What is glucose?

• Honey

• Maple Syrup

• Sugar

• Glue

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Carbon Dioxide is a gas. It is also called CO2. What do plants use to absorb Carbon Dioxide?

• Tiny pores called "stomata."

• Flowers.

• Fruit

• Xylem

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How does water get to the chloroplasts where photosynthesis occurs?

• The water travels from roots through Xylem which are similar to straws.

• It evaporates.

• The chloroplasts make their own water.

• Rain falls through stomata.

Photosynthesis begins when water, carbon dioxide, and sunlight come together in the chloroplasts. What is the result of photosynthesis?

• Oxygen and Glucose

• Honey and Nitrogen

• Syrup and Salt

• Hydrogen and Helium

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