Life Science - Energy Transfer/Matter & Energy in Plants

Which of these is NOT something all plants need to grow?

• Water

• Soil

• Air

• Light

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Some scientists grow plants using only water and special nutrients. What does this tell us?

• Plants always need soil to grow.

• Plants only need sunlight to grow.

• Plants can sometimes grow without soil if they have water and nutrients.

• Plants do not need water.

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How do plants make their own food?

• By eating insects

• By soaking up nutrients from rocks

• By borrowing food from animals

• By using sunlight, water, and air to make sugar

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Where does almost all the energy in a food chain come from originally?

• • The soil

• The Sun

• Plants

• Other animals

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Which is needed for plants to make food through photosynthesis?

• Sunlight

• Rocks

• Insects

• Moonlight

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Which of these shows the correct order of energy flow in a food chain?

• Plant → Sun → Animal

• Sun → Animal → Plant

• Sun → Plant → Animal

• Animal → Plant → Sun

Which of the following is a job that roots do for a plant?

• Make food

• Take in water and nutrients

• Give off oxygen

• Attract insects

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Why is it important for plants to release oxygen?

• So animals and people can breathe

• To make the soil richer

• So they can grow flowers

• To attract sunlight

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What would happen if a plant didn’t get sunlight?

• It would grow extra fast

• It would make lots of food

• It wouldn’t be able to make its own food and might die

• It would turn into an animal

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Plants get their energy directly from the sun.

• True
• False

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