4th Grade Plants & Weather Review

Why is photosynthesis important for plants?

• It gets rid of excess water from the plant.

• It uses sunlight to make food for plants.

• It changes plant sugar into stronger chemicals.

• It helps attract insects to the plants flowers.

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NGSS.MS-LS1-6

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Which part of the sunflower plant absorbs water and nutrients?

• Roots

• Leaves

• Flower

• Pistil

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What gas is produced by a plant that humans need to breathe?

• Carbon Dioxide

• Oxygen

• Farts

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NGSS.MS-LS1-6

What gas is produced by animals--and humans--that plants need in order to do photosynthesis?

• Carbon dioxide

• Oxygen

• Farts

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NGSS.MS-LS1-6

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What would happen if you removed all of the leaves from a plant?

• The plant would die because it couldn't make food through photosynthesis.

• The plant would continue to live without leaves because plant food could be added.

• The plant would die because it would absorb too much water.

• The plant would spontaneously grow new leaves overnight.

Tags

NGSS.MS-LS1-6

Before an apple tree can produce apples, an apple blossom must first be...

• dormant

• photosynthesized

• dissected

• pollinated

This fern plant has rows of little black dots on the back of its leaves. These dots hold millions of tiny reproductive cells called...

• spores

• seeds

• flowers

• leaves

The picture shows a sprouting bean plant. The leaf produced will help the plant by...

• absorbing water from the air for nourishment

• using sunlight for energy in food production

• reproducing more bean plants for survival of the species

• adding support for the plant as it grows taller

Tags

NGSS.MS-LS1-6

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What are TWO functions of the plant stem?

• To support the plant

• To move water and nutrients

• To anchor the plant in the soil

• To carry out photosynthesis

Plants use a green pigment as part of photosynthesis. This pigment gives leave their color. What is it called?

• chlorophyll

• broccoli

• iron

• oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3