Week 18: climate change

Question 1

NASA defines climate change as

Answer 1

“a change in the typical or average weather of a region or city” or “a change in Earth’s overall climate”

Question 2

The Earth’s average climate will continue to shift as long as these factors are at play:

Answer 2

1. Energy output of the sun
2. Earth’s orbit
3. Earth’s axis
4. Plate tectonics

Question 3

the increase in the Earth’s overall atmospheric temperature

Answer 3

global warming

Question 4

when more heat from the sun is retained inside the Earth’s atmosphere instead of being reflected back to space

Answer 4

greenhouse effect

Question 5

gases that absorb and emit thermal radiation or heat from the sun.

Answer 5

greenhouse gases

Question 6

The following are some of the human actions that have been proven to cause the increase in greenhouse gasses which drives global warming:

Answer 6

1. Deforestation
2. Fossil Fuels
3. Overpopulation
4. Agriculture

Question 7

he act of removing trees from large areas of land

Answer 7

Deforestation

Question 8

combustible (flammable) organic materials that come from the decayed remains of prehistoric plants and animals

Answer 8

Fossil Fuels

Question 9

basically bodies of ice that are connected to land, not to be confuse with sea ice or icebergs which are floating in the ocean

Answer 9

land ice

Question 10

Global warming affects sea level in two ways:

Answer 10

First, melting ice in the north and south poles add to the total amount of water in the oceans. Secondly, sea water expands as it becomes warmer.