Grade 3 - Science - Review Unit test

Which one is correct?

• Some animals form groups to survive in their environment. This allows them to share food, protect each other, and help take care of young ones.

• Some animals form groups to protect in their environment. This allows them to share food, survive each other, and help take care of young ones.

• Some animals form groups to share in their young. This allows them to survive food, protect each other, and help take care of environment ones.

What type of task must animals do to stay alive?

• They must find their food.

• They must raise their young.

• They must avoid predators.

• They must have a rest.

Which one of these is correct?

• In groups animals can help each other with all of these tasks. Making a group can give animals an advantage.

• Animals can help themselves with all of these tasks. Making a group can cause animals an disadvantage.

• In groups animals can help each other with most of these tasks. Making a group can give animals an advantage.

• In groups animals can help each other with some of these tasks. Making a group can give animals an advantage.

An _______________ is anything that __________ the animal.

• An advantage is anything that helps the animal.

• An advantage is anything that harms the animal.

• An advantage is anything that raises the animal.

Find the correct answer.

• Some animals make groups to survive changes in their environment. When seasons change, many groups of animals move to a new place.

• Some animals make groups to survive changes in their survival. When seasons change, many groups of animals fly to a new land.

• Some animals make groups to survive changes in their lives. When seasons change, many groups of animals move to a new place.

They _______________ to places that better meet their ___________ during that season.

• migrate - needs

• migrate - parents

• move - friends

Migrate means ......

• move to a different place

• meet some new friends

• go to the beach

Hibernation is staying in a state of ___________.

• deep sleep

• napping

• eating

Bats _______, or stay in a state of _______, during _________ when there is a shortage of food.

When bats hibernate, they need __________ food.

In spring, bats can find food __________.

• hibernate - rest - winter - less - easily

• hibernate - sleep - winter - more - difficultly

As season change, bison _________. When animals molt, they _______ and ________ their body _____________.

• molt - shed - regrow - covering

• molt - shed - regrow - body

• hibernate - shed - regrow - covering