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2nd grade Science Review

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

Which sentence tells about a river?

a)

It has flowing, fresh water.

b)

It is a large body of salt water.

c)

It is land with water all around it.

d)

It has both water and land with wet soil.

2.

Look at the picture.

Which animal adaptation would be best for the ocean habitat?

a)

an animal that can run quickly to avoid other animals

b)

an animal that can live in fresh water

c)

an animal that can live in dry soil

d)

an animal that can dive deep

3.

How is a marsh different from a swamp?

a)

A marsh is wetter than a swamp.

b)

A marsh has more diversity than a swamp.

c)

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

d)

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

4.

How do ocean and swamp habitats compare?

a)

The swamp has more diversity than the ocean.

b)

The ocean has more diversity than the swamp.

c)

The same type of animals live in both habitats.

d)

The swamp supports more animals than the ocean.

5.

It has both water and land with wet soil.

a)

ocean

b)

river

c)

wetland

6.

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

a)

salt water, smaller

b)

fresh water, larger

7.

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

a)

blubber

b)

fur

c)

gills

d)

webbed feet

8.

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?

a)

ocean

b)

marsh

c)

river

d)

swamp

9.

Which habitat has the most diversity?

a)

Tundra

b)

Forest

c)

Desert

d)

Wetland

10.

What is true about a river?

a)

The water can flow quickly or slowly.

b)

The habitat has plants that are like trees.

c)

The water is often salty.

d)

Many land plants and animals live there.

11.

How is a wetland different from a grassland?

a)

A grassland has wet soil.

b)

A grassland has both land and water.

c)

A wetland does not have grasses.

d)

A wetland has both land and water.

12.

Which of these describes how many different plants and animals live in a habitat?

a)

diversity

b)

adaptation

c)

population