Free Printable The Atmosphere

1.

The Earth’s early atmosphere was mainly due to:

a)

Waterfalls

b)

Volcanic activity

c)

Meteors

d)

Earthquakes

2.

Select the true statements from the list below.

a)

The early atmosphere probably contained little or no oxygen.

b)

The early atmosphere contained a high proportion of oxygen.

c)

The early atmosphere probably contained a large amount of carbon dioxide.

d)

The early atmosphere probably contained a small amount of carbon dioxide.

3.

What is the proportion of nitrogen in the modern atmosphere?

a)

21%

b)

0.04%

c)

78%

d)

0.9%

4.

As the Earth cooled, water vapour condensed to form the oceans.

a)

True

b)

False

5.

The amount of carbon dioxide in the atmosphere decreased due to ...

a)

... it forming carbon dioxide

b)

... it becoming carbonate in rocks.

c)

... it dissolving in the oceans.

d)

... it splitting up into carbon and oxygen.

6.

Select the correct equation for photosynthesis.

a)

$C_6H_{12}O_6\ \rightarrow\ 2C_3H_6O_3$

b)

$C_6H_{12}O_{6\ }+6O_2\ \rightarrow\ 6CO_2\ +6H_2O$

c)

$C_6H_{12}O_6\ \rightarrow\ 6CO_2\ +\ 6H_2O$

d)

$C_6H_{12}O_6\ +O_2\ \rightarrow\ C_3H_6O_3\ +3H_2O\ +3CO_2$

7.

Photosynthesis changed the atmosphere as:

a)

It increased the concentration of carbon dioxide in the atmosphere.

b)

It decreased the concentration of carbon dioxide in the atmosphere.

c)

It increased the concentration of oxygen in the atmosphere.

d)

It decreased the concentration of oxygen in the atmosphere.

8.

What is the test for oxygen?

a)

Hold splint to test tube.

b)

Hold glowing splint to test tube and see if it relights.

c)

Hold lit splint to test tube and see if there is a squeaky pop.

d)

Hold lit splint to test tube and see if it goes out.

9.

Select the greenhouse gases from the list below.

a)

Methane

b)

Carbon dioxide

c)

Oxygen

d)

Water vapour

10.

Which of these effects on the planet is not associated with burning fossil fuels?

a)

Global warming

b)

An increase in the amount of oxygen in the oceans.

c)

An increase in the amount of carbon dioxide in the atmosphere.

11.

Which of these gases make up the smallest proportion of our atmosphere?

a)

Oxygen

b)

Nitrogen

c)

Carbon dioxide

12.

True or false? “Scientists think that the early atmosphere contained more carbon dioxide than oxygen”.

a)

True

b)

False

13.

As the atmosphere evolved, the amount of carbon dioxide decreased due to:

a)

Absorption by oceans

b)

Formation of carbon precipitates on the seabed, which later formed sedimentary rocks

c)

Photosynthesis by plants and algae

d)

Respiration by plants and algae

14.

We can reduce our carbon dioxide emissions by:

a)

Driving whenever possible

b)

Walking shorter distances instead of driving

c)

Turning down our central heating

d)

Washing bed linen and towels daily.

15.

We could be more energy efficient as a country by:

a)

Cutting down local woodland.

b)

Using more renewable resources.

c)

Stopping car sharing schemes.

d)

Using lot fires to heat our homes.

The Atmosphere

Total questions: 15

Worksheet time: 8mins

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