Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

CORAL REEF

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.
Where is the Great Barrier Reef located?
a)
Puerto Rico
b)
Florida
c)
Indonisia
d)
Australia
2.

What threatens coral reefs, in the Caribbean, in the fall?

a)

predators

b)

pollution

c)

hurricanes

d)

elevated temperatures

3.
What is the biggest ecological benefit of coral reefs?
a)
tourism
b)
seafood
c)
habitat
d)
protection of shoreline
4.
What is the biggest economic benefit of coral reefs?
a)
filtration
b)
habitat
c)
tourism
d)
protection of shoreline
5.
What is the largest reef in the world?
a)
Belize Barrier Reef
b)
Great Barrier Reef
c)
Aldabra Atoll
d)
The Palancar Reef
6.
What are the two types of corals?
a)
plant/animal
b)
spring/fall
c)
fringing/barrier
d)
hard/soft
7.
What type of coral is brain coral?
a)
hard
b)
soft
8.
What is the main abiotic factor that will determine the location of a reef?
a)
light
b)
depth
c)
salinity
d)
temperature
9.
Coral larvae become a __________.
a)
polyp
b)
hard coral
c)
soft coral
d)
reef
10.
What is the hard structure that provides the foundation for the reef?
a)
limestone
b)
sandstone
c)
concrete
d)
granite
11.

A type of reef that lies close to the shore.

a)

fringing reef

b)

barrier reef

c)

atoll

d)

archipelago

12.

A reef running parallel to the shore but separated from it by a channel of deep water.

a)

fringing reef

b)

barrier reef

c)

atoll

d)

archipelago

13.

Select the moray eel

a)
b)
c)
d)
14.

Periodic rise and fall of the ocean.

a)

Coral reef

b)

Tide

c)

Population

d)

Oyster

15.

What is this?

a)

Sea grass

b)

Colony

c)

Sponge

d)

Algae

16.

What is this?

a)

Shelter

b)

Pollution

c)

Colony

d)

Oyster

17.

Select the oyster.

a)
b)
c)
d)
18.

What country is the Great Barrier Reef close to?

a)

Bahamas

b)

Australia

c)

Mexico

d)

Portugal

19.

What is this?

a)

Mollusk

b)

Sponge

c)

Seagrass

d)

Oyster

20.

What are coral reefs often compared to?

a)

forests

b)

gardens

c)

rainforests

d)

deserts

21.

Coral reefs are endangered by

a)

climate change

b)

overfishing

c)

pollution

d)

all of the above

22.

Coral Reefs are found in

a)

tropical waters

b)

waters around the South pole only

c)

sub-tropical waters

d)

A and C

23.

Coral reefs are home to how many species?

a)

thousands

b)

billions

c)

hundreds

d)

millions

24.

What is one way scientists trying to save the coral reefs?

a)

by growing coral and planting it in the ocean

b)

by restricting access to reefs

c)

by adding new species of fish to the reefs

d)

by adding fertilizer to the coral reefs

25.
What builds up over time to form a reef?
a)
Sand
b)
Coral skeletons
c)
Fish bones
d)
Rocks