Terra Nova Science

What is matter

• Anything that occupies space and volume

• A solid,liquid, gas

• Anything that has mass

• A object

Why is the upperside of a leaf smoother and waxier than the underside

• As the upperside of the leaf faces the sun the water in the leaf will evaporate

• To attract sunlight so they can make food

• Due to the presence of chlorophyll

• To keep the flies away

What is the main function of the stem

• A plant structure that provides support and connects the leaves with the roots

• To transport nutrients to the rest of the plants

• To keep the plant upright and stop blowing in the wind

• Where the plant makes its food

What do plants need to make their own food?

• oxygen, carbon dioxide, sugar

• sugar, water, carbon dioxide

• sunlight, carbon dioxide, water

• carbon dioxide, water, sugar

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This long part of the plant acts like an "elevator" carrying water and nutrients to the leaves and flower part of the plant.

• roots

• stem

• leaves

• flower

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_{What is the purpose of petals on a flower?}

• Attract pollinators to transfer their pollen to other flowers

• Soak in sunlight for photosynthesis

• Make seeds to reproduce more plants

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The force that sends the rocket forward is called

• thrust

• drag

• speed

• gravity

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Force that pulls the object towards earth

• lift

• friction

• gravity

• buoyancy

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A push or a pull is

• force

• acceleration

• motion

• speed

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When a object changes speed or direction it

• rotates

• speed increases

• accelerates

• stops

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