2nd grade Science Review

Which sentence tells about a river?

• It has flowing, fresh water.

• It is a large body of salt water.

• It is land with water all around it.

• It has both water and land with wet soil.

Look at the picture.

Which animal adaptation would be best for the ocean habitat?

• an animal that can run quickly to avoid other animals

• an animal that can live in fresh water

• an animal that can live in dry soil

• an animal that can dive deep

How is a marsh different from a swamp?

• A marsh is wetter than a swamp.

• A marsh has more diversity than a swamp.

• A marsh has fresh water. A swamp has salty water.

• A marsh has plants that are like grasses. A swamp has plants that are like trees.

How do ocean and swamp habitats compare?

• The swamp has more diversity than the ocean.

• The ocean has more diversity than the swamp.

• The same type of animals live in both habitats.

• The swamp supports more animals than the ocean.

It has both water and land with wet soil.

• ocean

• river

• wetland

Most rivers and streams are ______________. A river is ___________ than a stream.

• salt water, smaller

• fresh water, larger

What adaptation does a fish have that helps it live in a water habitat?

• blubber

• fur

• gills

• webbed feet

Tags

NGSS.MS-LS4-4

A fish has fins. The fins help it swim in fast-moving water. It eats small fish that live in fresh water. What type of habitat is your class most likely observing?

• ocean

• marsh

• river

• swamp

Which habitat has the most diversity?

• Tundra

• Forest

• Desert

• Wetland

Tags

NGSS.MS-LS2-5

What is true about a river?

• The water can flow quickly or slowly.

• The habitat has plants that are like trees.

• The water is often salty.

• Many land plants and animals live there.

Tags

NGSS.MS-LS2-3