Free Printable 7th Grade Science Review

1.

Identify the plant shown

a)

A

b)

B

c)

C

d)

D

2.

Which of the following is a centipede?

a)

b)

c)

d)

3.

a)

A

b)

B

c)

C

d)

D

4.

a)

A

b)

B

c)

C

d)

D

5.

a)

A

b)

B

c)

C

d)

D

6.

a)

A

b)

B

c)

C

d)

D

7.

a)

A

b)

B

c)

C

d)

D

8.

a)

F

b)

G

c)

H

d)

J

9.

a)

A

b)

B

c)

C

d)

D

10.

a)

F

b)

G

c)

H

d)

J

11.

a)

A

b)

B

c)

C

d)

D

12.

a)

F

b)

G

c)

H

d)

J

13.

a)

A

b)

B

c)

C

d)

D

14.

a)

A

b)

B

c)

C

d)

D

15.

a)

F

b)

G

c)

H

d)

J

16.

a)

F

b)

G

c)

H

d)

J

17.

a)

A

b)

B

c)

C

d)

D

18.

a)

F

b)

G

c)

H

d)

J

19.

a)

F

b)

G

c)

H

d)

J

20.

a)

A

b)

B

c)

C

d)

D

21.

a)

F

b)

G

c)

H

d)

J

22.

a)

F

b)

G

c)

H

d)

J

23.

a)

A

b)

B

c)

C

d)

D

24.

a)

F

b)

G

c)

H

d)

J

25.

a)

F

b)

G

c)

H

d)

J

26.

a)

A

b)

B

c)

C

d)

D

27.

a)

A

b)

B

c)

C

d)

D

28.

Where does the energy start in this food chain?

a)

Plant

b)

Sun

c)

Deer

d)

Wolf

29.

The owl receives energy from which organisms?

a)

grasshopper and mouse

b)

mouse and rabbit

c)

rabbit and butterfly

d)

butterfly and frog

30.

Name the producers in this food web.

a)

seagull and fish

b)

penguin and crab

c)

phytoplankton and seaweed

d)

seaweed and zooplankton

31.

Overflow during a heavy rainstorm from a wastewater treatment plant would result in...

a)

weakened housing foundations

b)

polluted runoff into nearby ponds

c)

flooding in the local aquifer

d)

over-treated drinking water

32.

How many parents does asexual reproduction involve?

a)

one

b)

two

c)

three

d)

four

33.

A mode of reproduction in which an organism arises from two organisms and inherits half of its DNA from each parent

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Cloning

d)

Fragmentation

34.

Which reproduction requires a mate?

a)

asexual

b)

sexual

c)

neither

35.

Which statement is a part of the cell theory?

a)

all cells come from preexisting cells

b)

bacteria are prokaryotic cells

c)

eukaryotic cells are complex

d)

humans are multicellular

36.

The Cell Theory states...

a)

atoms create all matter

b)

living things evolve

c)

the cell is the backbone of all matter

d)

cells are the basic unit of structure and organization of organisms

37.

What is the main difference between primary and secondary ecological succession?

a)

Primary begins WITHOUT soil; Secondary begins WITH soil

b)

Primary is the first state and secondary is the second stage

c)

Primary builds plant community; secondary builds animal community.

d)

Primary begins WITH soil; Secondary begins WITHOUT soil

38.

Primary succession occurs in an area that has:

a)

Has Soil

b)

Has No Soil

c)

Has Some Soil

d)

none of these

39.

Most water pollution is the result of __________________.

a)

natural processes

b)

animal waste

c)

human activities

d)

acid rain

40.

What is most likely to happen to moth populations in the picture shown?

a)

Light moths--hunted easily, dark moths--population increase

b)

Dark moths--hunted easily, dark moths--population increase

c)

Light moths--hunted easily, light moths--population increase

d)

Lights moths will change their color to match dark moths.

7th Grade Science Review

Total questions: 40

Worksheet time: 32mins

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