1.4 - Mans Effect On The Atmosphere And Gas Tests

Question 1

How long ago was the earth formed ?

Answer 1

4.5 billion

Question 2

How was the atmosphere formed ?

Answer 2

Gasses given out by volcanoes

Question 3

Volcanic gasses

Answer 3

Carbon dioxide, water Vapour and ammonia

Question 4

Oxygen increased from old to new atmosphere

Answer 4

Photosynthesis by plants

Question 5

Ammonia decreased from old to new atmosphere

Answer 5

Reacted with newly formed oxygen to form nitrogen and water

Question 6

Methane decreased from old to new atmosphere

Answer 6

Reacted with newly formed oxygen to form Carbon dioxide and water vapour

Question 7

Carbon dioxide decreased from old to new atmosphere

Answer 7

Absorbed for photosynthesis, dissolved in oceans

Question 8

Gasses in modern atmosphere

Answer 8

Nitrogen, Oxygen, Argon, Carbon dioxide, water vapour

Question 9

Nitrogen percentage in current atmosphere

Answer 9

78%

Question 10

Oxygen percentage in current atmosphere

Answer 10

21%

Question 11

Argon percentage in current atmosphere

Answer 11

0.9%

Question 12

Carbon dioxide percentage in current atmosphere

Answer 12

0.04%

Question 13

Ways that the balance of carbon dioxide and oxygen is maintained

Answer 13

-Respiration
-Combustion
-Photosynthesis

Question 14

How are carbon dioxide levels increasing ?

Answer 14

-Use of fossil fuels
-Growth of human and animal population
-Deforestation

Question 15

Result of carbon dioxide levels increasing

Answer 15

Global warming

Question 16

Acid rain formed

Answer 16

Sulfer dioxide dissolving in rain water

Question 17

Release sulfer dioxide

Answer 17

Fossil fuels

Question 18

Sulphuric acid symbol

Answer 18

H2SO4

Question 19

Effects of acid rain

Answer 19

-Damaging limestone
-Corrosion of metal
-Alters pH of lakes

Question 20

Consequences of global warming

Answer 20

-Extreme weather
-Rising sea levels
-Destruction of habitats

Question 21

Reducing the use of fossil fuels

Answer 21

-Using more renewable energy sources
-Recycling so less new materials need to be made
-Reduce energy consumption in the home
-Using mass transportation

Question 22

-

Question 23

Carbon capture

Answer 23

Separation of carbon dioxide from other gasses and storing it underground

Question 24

Oxygen test

Answer 24

Relighting a glowing splint

Question 25

Hydrogen test

Answer 25

Squeaky pop

Question 26

Carbon dioxide test

Answer 26

Milky water