Science Unit 3 Assessment

Energy moves from the sun, to a plant, to a cow, to a human. Where does a human's energy come from?

• From the cow. The energy is not connected to the sun

• From the plant that got its energy from the sun

• From the cow. The cow ate the plants. The plants got energy from the sun.

• From the sun directly.

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A Hawk gets energy directly from....

• squirrels and robins

• crickets and earthworms

• oak tree and squirrel

• earth worm and dead leaves

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Squirrels get energy from eating

• tree nuts

• dead leaves

• crickets

• earthworms

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Robins get energy from eating...

• crickets and earthworms

• squirrels

• oak tree and squirrels

• earthworms

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What eats dead leaves?

• crickets and earthworms

• crickets and squirrels

• earthworms and squirrels

• robins and earthworms

What would happen if all oak trees suddenly disappeared?

• Squirrels will have nothing to eat and will need to find another food source.

• Robins will have nothing to eat and will need to find another food source.

• Hawks will have nothing to eat because the squirrels and robins will all die.

• All of the other answers are correct.

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Which of the following does a plant NOT need in order to grow?

• air

• water

• nutrients

• soil

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Which of the following is true?

• Plants mostly use materials from the soil for their growth

• Plants mostly use materials from water for their growth

• Plants mostly use materials from sunlight for their growth

• Plants mostly use materials from the air for their growth

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