Climate Change

Question 1

scientists study climate condition thousands/millions yrs ago how

Answer 1

study evidence from past
(landforms, fossils, ice core data, indigenous knowledge)
LIFI

Question 2

eg of landforms

Answer 2

drumlins

boulders

Question 3

how landforms help

Answer 3

indicate events that occurred

Question 4

how fossils help

Answer 4

shows climate change over time + effect on plants and animals

Question 5

ice core data

Answer 5

gases trapped can determine conditions at time ice formed

Question 6

absorption of thermal energy by atmosphere

Answer 6

natural greenhouse effect

Question 7

4 important ghgs

Answer 7

CH^4
water vapour
CO^2
Nitrous oxide

Question 8

without natural greenhouse effect what would earths temp be like

Answer 8

30 degrees Celsius cooler

Question 9

natural greenhouse effect mainly due to what

Answer 9

water vapour in atmosphere

Question 10

measure of ability of gas to trap thermal energy in a atmosphere

Answer 10

global warming potential (GWP)

Question 11

most prevalent ghg

Answer 11

CO^2

Question 12

increase in ghg started

Answer 12

Industrial Revolution

Question 13

fuels containing large amount of carbon

fuels from remains of living things

Answer 13

fossil fuels

Question 14

common fossil fuels

Answer 14

coal
oil
natural gas

Question 15

release CO^2 into atmosphere

Answer 15

carbon sources

Question 16

removes CO^2 from atmosphere

Answer 16

carbon sinks

Question 17

impacts of climate change

Answer 17

rising sea levels
lowered ocean pH levels
irreversible damage to biomes
reduced biodiversity
more severe weather
droughts
global warming