4th Grade Chapter 3 Interactive Science Assessment

Which is one way that scientists classify plants?

• chloroplasts

• photosythesis

• reproduction

• chlorophyll

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Which adaptation would be most useful to an animal that eats nectar from plants?

• fins

• wings

• fast legs

• short beak

Which is an example of an instinct?

• A spider spins a web.

• A child speaks Chinese.

• A sea lion balances a ball on its nose.

• A dog stays away from skunks.

Which is a waste product of photosynythesis?

• oxygen

• carbon dioxide

• sugar

• sunlight

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What is the function of the sepals of a flower?

• make pollen

• make petals

• make egg cells

• protect flower buds

What is not an example of an animal behavior?

• staying away from predators

• opening doors that have sensors

• knowing when to migrate

• having white feathers

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Which characteristic shows a change due to stimulus in the environment?

• A zebra's stripes have a different pattern than its parents.

• A pea plant grows white flowers.

• A turtle pulls its head into its shell.

• A flounder can change its color.

How does the bee-like appearance of the bee orchid help it?

• It attracts insects, so the flower is pollinated.

• It keeps insects from eating the flower.

• It scares people so they will not pick the flower.

• It keeps deer from eating the flower.

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How does seed dispersal help a plant reproduce?

• Scattered seeds have a better chance of germinating because they will not have to compete for sunlight from the parent plant.

• Scattered seeds have a better chance of germinating because they will not have to compete for water from the parent plant.

• Scattered seeds have a better chance of germinating because they will meet new types of plants and learn many interesting lessons that the parent plant can't teach.

• Scattered seeds have a better chance of germinating because they will not have to compete for space from the parent plant.

How does a goose's instinct to migrate from a cold climate to a warm climate in the winter help it survive?

• If a goose didn't migrate it wouldn't be able to have friends.

• If a goose didn't migrate it might get too cold and die.

• If a goose didn't migrate it might not find any food and starve.

• If a goose didn't migrate it would have to live all winter with goose bumps which is extremely difficult for a goose to do.

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