The Atmosphere C9

Question 1

What is combustion ?

Answer 1

When something burns in the presence of Oxygen

Question 2

What gases make up the air ?

Answer 2

Nitrogen

Oxygen

Argon

CO2

Water vapour

Question 3

Nitrogen

Answer 3

non-reactive

Question 4

Oxygen

Answer 4

Used for respiration

Question 5

Argon

Answer 5

Used in a filimant in a light bulb

Question 6

Co2

Answer 6

400PPM

Question 7

Water vapour

Answer 7

Clouds

Question 8

What happened when cynobacteria evolved ?

Answer 8

The levels of CO2 in the air was reduced

it was photosynthesising

Question 9

What is the equation for photosynthesis ?

Answer 9

Carbon dioxide + Water — oxygen + Glucose

Question 10

What is the number equation for photosynthesis ?

Answer 10

6C02 + 6H2O —- 602 + C6H12 O6

Question 11

What two things can C02 be used for ?

Answer 11

Photosynthesis

dissolved in oceans

Question 12

Name the processes that change the amount of carbon dioxide in the atmosphere

Answer 12

Photosynthesis

Respiration

Coal formation

Formation of oil and gas

Limestone formation

Dissolving in oceans

Question 13

Photosynthesis

Answer 13

Uses carbon dioxide to make sugars like glucose

Question 14

Respiration

Answer 14

Releases carbon dioxide from organic molecules like glucose

Question 15

Coal formation

Answer 15

Compression of plant material trapped under layers of sediment

Question 16

Formation of oil and gas

Answer 16

Compression of the remains of plankton under layers of sediment

Question 17

Limestone formation

Answer 17

Compression of shells and skeletons of marine organisms

Question 18

Dissolving oceans

Answer 18

The solubility of carbon dioxide increase as the temperature drops