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Week 10 Topic 1.1&2

Total questions: 38

Worksheet time: 49mins

Name
Class
Date
1.

Which of the following are greenhouse gases?

a)

Carbon dioxide

b)

Methane

c)

Water vapor

d)

All answers are correct

2.
Without the Greenhouse Effect the Earth would be
a)
warm 
b)
cold
c)
dead
3.
What happens to the temperature if more greenhouse gases are released into the atmosphere?
a)
Temperature goes up
b)
Temperature goes down
4.
True or False: All of the radiation from the Sun is absorbed by the Earth
a)
True
b)
False
5.
What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
6.
The gas that is most abundant in the atmosphere is
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
argon
7.
The gas that is the second most abundant in the atmosphere is
a)
oxygen
b)
nitrogen
c)
carbon dioxide
d)
argon
8.
Which is a natural source of greenhouse gases?
a)
aerosols
b)
deforestation
c)
volcanic eruptions
d)
burning fossil fuels
9.
The main human activity that releases greenhouse gases is...
a)
using bottled water
b)
burning fossil fuels
c)
texting on cellphones
d)
eating meat
10.
T/F: Water vapor is a greenhouse gas
a)
True
b)
False
11.
Which layer in the atmosphere protects us form harmful UV radiation?
a)
Ozone
b)
Troposphere
c)
Ionosphere
d)
Exosphere
12.
Over the past 200 years, the level of carbon dioxide in the atmosphere has
a)
decreased slightly.   
b)
increased until recently, and then decreased.
c)
increased steadily.   
d)
stayed about the same.
13.
What are the two most common greenhouse gases?
a)
Water Vapor (H2O) and Methane (CH4)
b)
Carbon Dioxide CO2 and Methane (CH4)
c)
Water Vapor (H2O) and Carbon Dioxide CO2
d)
Water Vapor (H2O) and Nitrous oxide (N2O)
14.
Which layer of the atmosphere do we live in?
a)
Troposphere
b)
Stratosphere
c)
Thermosphere
d)
Ionosphere
15.

78% of the Earth's atmosphere is made up of

a)

H2O

b)

SO2

c)

N2

d)

CO2

e)

Ar

16.

Photochemical smog results from a reaction between

a)

nitrogen, oxygen and sunlight

b)

nitrogen, carbon and sunlight

c)

oxygen, water and lead

d)

sunlight, sulfur and carbon

e)

carbon, hydrogen, and methane

17.
High levels of photochemical smog are due to
   I nitrogen dioxide
  II sulfur dioxide
III VOC's
a)
I only
b)
I and II only
c)
II and III only
d)
I and III only
18.
Thermal inversions
a)
increase the rate of smog formation
b)
trap high concentrations of pollution as ground level
c)
result in increased levels of acid deposition
d)
reduce the negative effects of VOC's
19.
What is a primary pollutant? 
a)
pollutant that is put directly into air by human activities
b)
pollutants that react with other primary pollutants
20.

Which of the following is NOT a primary pollutant?

a)

nitric oxides

b)

smog

c)

sulfur dioxide

d)

volatile organic compounds

21.

What areas are more likely to experience temperature inversions?

a)

small cities in the mountains

b)

large cities in valleys

c)

large cities near oceans

d)

small cities near a river

22.
What is a secondary pollutant? 
a)
pollutant that is put directly into air by human activities
b)
pollutants that react with other primary pollutants
23.
Carbon dioxide and seawater combine to form
a)
calcium carbonate
b)
carbon monoxide
c)
carbonic acid 
24.
Marine organisms make their shells from calcium and
a)
chloride
b)
carbonate
c)
seawater
25.

Which molecule makes water acidic?

a)

Carbonate Ions

b)

Carbon Dioxide

26.
As the ocean becomes more acidic, the pH of the water
a)
increases
b)
decreases
27.

What do some marine creatures do with the carbonate ion?

a)

use it as a food source

b)

use it as a defense mechanism

c)

use it to build shells and exoskeletons

d)

use it to cool body temperatures

28.

In a more acidic ocean, the shells of organisms do not grow as easily.

a)

True

b)

False

29.

Which is carbonate?

a)

HCO-

b)

H2CO3

c)

CO32-

d)

CO3-

30.

CO2 + H20 -->

a)

H2CO3

b)

CO3

c)

CO2

d)

H3O+

31.

What is the typical pH of a base?

a)

higher pH, >7

b)

25 km

c)

lower pH, < 7

d)

110 ppm

32.

resulting from the influence of human beings

a)

anthropogenic

b)

archipelago

c)

archimedes

d)

arithmetic

33.

Which statement accurately describes what this graph shows?

a)

As pH decreases, CO32- (carbonate) is less concentrated

b)

As pH increases, CO32- (carbonate) is less concentrated

c)

At pH 6-9, HCO3- is at a low concentration

d)

There is no correlation between carbonate ion concentration & pH

34.

An acidic solution has a

a)

low pH

b)

neutral pH

c)

high pH

d)

no pH

35.

pH is an indicator of

a)

H+ concentration

b)

acidity

c)

temperature

d)

knowledge

36.

The ocean's pH has gone from _____ to _____ over the last century.

a)

8.1; 8.2

b)

8.2; 8.1

c)

5; 7

d)

7; 6

37.

H2CO3 <->

a)

H2CO3

b)

HCO3- + H+

c)

CO32-

d)

CaCO3

38.

HCO3- <->

a)

H2CO3

b)

HCO3- + H+

c)

CO32- + H+

d)

CaCO3

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