5.3.3 - The Greenhouse Effect

Question 1

What Happens When Radiation From The Sun Hits The Earth?

Answer 1

It is radiated back from the earths surface.

Question 2

What Is A Greenhouse Gas?

Answer 2

Is a gas that absorbs the re-radiated radiation, trapping it in the earths atmosphere so that it is not lost in space.

Question 3

What Are 2 Greenhouse Gases?

Answer 3

~ CO2.

~ Methane (CH4).

Question 4

What Is The Benefit & The Drawback Of The Greenhouse Effect?
(2 Points)

Answer 4

~ Benefit -> Essential to keep the earth warm enough for life.

~ Drawback -> Too much greenhouses gases cause the atmosphere to warm up.

Question 5

What Is Anthropogenic Climate Change?

Answer 5

Climate change caused by humans.

Question 6

What Have Caused C02 Levels To Increase?
(3 Points)

Answer 6

~ More fossil fuels are being burned, releasing CO2.

~ Destruction of carbon sinks, releasing CO2.

~ Decomposer braking down organic compounds and respire them.

Question 7

What Are Examples Of Carbon Sinks?
(3 Points)

Answer 7

~ Trees.

~ Soil.

~ Peat bogs.

Question 8

Describe Methane
(3 Points)

Answer 8

~ Simple hydrocarbon.

~ Main component of natural gas fossil fuels.

~ Can be produced by naturally occurring processes in some types of bacteria.

Question 9

What Human Activities Have Caused Methane To Increase?
(3 Points)

Answer 9

~ Released from cattle and the farming of them.

~ Extraction of fossil fuels.

~ Permafrost thawing.