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Ocean 101

Total questions: 12

Worksheet time: 3mins

Name
Class
Date
1.

Oceans cover over ____ % if the Earth’s surface

a)

50

b)

100

c)

70

d)

-3000

2.

True or False: The ocean contains traces of all chemical elements found on earth!

a)

True

b)

False

3.

Climate change affects the ocean in 3 ways. Which of the following is NOT one of the effects?

a)

Warming the temperature of the ocean surface

b)

Sea levels rising at 2x the rate of the long-term trend

c)

Ocean acidification

d)

Turns the ocean into lava

4.

Which of the following is NOT a reason why the ocean is salty?

a)

Sodium and chloride ions from rainwater runoff

b)

I peed in the ocean

c)

Minerals from geothermal vents

5.

True or False: The ocean plays no role at all in regulating the global climate.

a)

True

b)

False

6.

Over the past century, the ocean’s surface temperature rose at an average rate of ____ degrees Fahrenheit per decade.

a)

Celsius

b)

0.13

c)

50

d)

0.50

7.

During the past ___ years, sea surface temperature has been consistently ____ than at any other time on record.

a)

30; higher

b)

0; no

c)

25; lower

d)

50; higher

8.

What is the only way to stop the damage to our oceans?

a)

Use plastic straws

b)

Dramatically reduce greenhouse gas emissions

c)

Put on NON-reef-safe sunscreen

d)

Disregard greenhouse gas emissions

9.

How many main regions is the ocean divided into?

a)

20

b)

365

c)

7

d)

4

10.

Which of the following are effects of rising temperatures on oceans?

a)

stronger and more frequent storms

b)

a lower sea level

c)

threatening of delicate coral reefs

d)

disruption of the marine food chain

11.

Ocean acidification lowers calcium carbonate concentration in oceans, which oysters, clams, and corals use to form ______ and ________.

a)

eyes

b)

shells

c)

skeletons

d)

toes

12.

Should we work to protect and reduce the damage to our Earth’s oceans? (hint: don't pick no)

a)

of course!

b)

yessirree

c)

yup!

d)

nononononononoonono