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Ozone layer

Total questions: 8

Worksheet time: 4mins

Name
Class
Date
1.

The thinning of the ozone layer is also known as the

a)

ozone hole

b)

ozone gap

c)

ozone space

d)

ozone void

2.

Ozone is formed in the

a)

troposhere

b)

stratosphere

c)

mesosphere

d)

thermosphere

3.

SUnburn occurs when your skin is exposed to harmful ______ rays

a)

radio

b)

magnetic

c)

ultraviolet

d)

infrared

4.

The concentration of ozone is measured in _____ units.

a)

Dobson

b)

mb

c)

bar

5.

Ozone is made of which chemical element?

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

6.

The ozone layer is important because:

a)

It is a turbulence free zone for planes to fly in.

b)

It absorbs harmful rays produced by the sun

c)

It produces most of the oxygen needed for organisms in the troposphere

7.

What is the Ozone Layer?

a)

O3

b)

A gas present in the atmosphere

c)

A barrier between Earth and the Sun

d)

All of the above

8.

How many oxygen atoms does a molecule of ozone contain?

a)

1

b)

2

c)

3

d)

4