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ESS - Atmospheric systems

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Which method would be most effective in reducing the acidity of rain downwind of a coal-fired power station?

a)

Adding more oxygen to the burning process

b)

Increasing the temperature at which fuel is burned

c)

Fitting wet scrubbers (filters) to chimneys

d)

Switch to burning more sulfur rich coal

2.

Read the following sentences and answer TRUE or FALSE:


Lime is sometimes added to fresh water lakes to increase its pH.

a)

True

b)

False

3.

The atmospheric layer closest to the earth is known as the

a)

Mesosphere

b)

Ionosphere/Thermosphere

c)

Stratosphere

d)

Troposphere

4.

The correct percentage of Nitrogen in our atmosphere is

a)

21%

b)

78%

c)

0.04%

d)

0.9%

5.

The ozone layer protects life on earth from

a)

infrared wavelengths

b)

ultraviolet wavelengths

c)

microwaves

d)

gamma radiation

6.

Which of the following gases does not contribute to the greenhouse effect.

a)

methane (CH4)

b)

CFCs

c)

nitrous oxides (NOx)

d)

ozone

7.

Which of the following is NOT a result of depletion of the ozone layer?

a)

Increase in rates of skin cancer

b)

Lower crop harvests

c)

Dissruption of marine food chains

d)

Increase of carbon dioxide levels in the atmosphere.

8.

The main impact of tropospheric ozone is that

a)

it absorbs ultraviolet radiation

b)

it causes respiratory problems in mammals

c)

it increases the rate of photosynthesis

d)

it causes global warming

9.

In which layer of the atmosphere does the earth's weather occur?

a)

Thermosphere

b)

Stratosphere

c)

Mesosphere

d)

Troposphere

10.

Which of these are effects of ultraviolet radiation?

a)

Damage to cells responsible for photosynthesis.

b)

All of these

c)

Genetic mutations

d)

Weakening of the immune system

11.

Which component of the atmosphere often plays an important role in ensuring the functioning of the albedo effect?

a)

Nitrogen

b)

Clouds

c)

Ozone

d)

Oxygen

12.

Some gases in the atmosphere, such as water vapour and carbon dioxide, are known to trap the infrared light (IR) of longer wavelengths, thus warming up the planet Earth. What is this phenomenon called?

a)

Greenhouse effect

b)

Global dimming

c)

Global climate change

d)

Human enhanced green house effect

13.

Which of the following medical conditions threatens humans exposed to photochemical smog?

a)

Physical mutations

b)

Leprosy

c)

Asthma

d)

Malaria

14.

The main primary pollutants that contribute to the formation of acid deposition are:

a)

Sulphur monoxide and nitrogen monoxide

b)

Sulphur oxides and nitrogen dioxide

c)

Sulphur dioxide and nitrogen dioxide

d)

Sulphur dioxide and nitrogen oxides

15.

The composition of the atmosphere may change dynamically over time. What is the effect on the rates of photosynthesis if the concentration of carbon dioxide in the atmosphere increases?

a)

Rates increase

b)

It's hard to predict

c)

Rates remain the same

d)

Rates decrease

16.

Nitrogen leaving the atmosphere either through nitrogen-fixing or lightning is an example of an atmospheric:

a)

Output

b)

None of the answer alternatives

c)

Input

d)

System

17.

By burning fossil fuels, humans produce additional amounts of carbon dioxide which enters the Earth’s atmosphere. CO2 from this source is therefore an example of an atmospheric:

a)

Input

b)

Transformation

c)

Output

d)

Transfer

18.

Which part of the atmosphere is where most weather is found?

a)

Stratosphere

b)

Weather is found in all layers of the atmosphere.

c)

Ozonosphere

d)

Troposhpere

19.

Towns and cities placed in valleys where mountains or hills prevent the wind from driving the photochemical smog away are called:

a)

Thermal retroversion traps

b)

Thermal subversion traps

c)

Thermal conversion traps

d)

Thermal Inversion traps

20.

What is the difference between primary and secondary pollutants?

a)

Primary pollutants are formed from a mixture of different secondary pollutants.

b)

Primary pollutants have a more complex chemical structure than secondary pollutants.

c)

There is no difference between primary and secondary pollutants.

d)

Primary pollutants are emitted directly from a source, while secondary pollutants are created as a result of a set of reactions of primary pollutants.