Climate change

Question 1

What are the 3 recent evidences for climate change?

Answer 1

Melting ice caps.
Rising sea levels.
Seasonal changes.

Question 2

What is the name for the collective changes of the Earth’s movements on its climate over thousands of years?

Answer 2

The Milankovitch cycles.

Question 3

What are the 3 Milankovitch cycles called?

Answer 3

Eccentricity
Axial tilt
Precession

Question 4

What is eccentricity?

Answer 4

The path of the Earth as it orbits the sun.

Question 5

Eccentricity shifts from being __________ to ___________ every ____________ years.

Answer 5

circular
elliptical
100,000

Question 6

What does the axial tilt cause?

Answer 6

Night and day.

Question 7

The ___________ moves_______________ between 21.5-24.5 degrees every __________ years.

Answer 7

axial tilt
back and forth
41,000

Question 8

What is the precession?

Answer 8

The natural wobble cycle of the Earth.

Question 9

How long does the precession cycle last?

Answer 9

26,000 years.

Question 10

What is the sunspot cycle and how long is it?

Answer 10

The period when sunspots increase from minimum to maximum over 11 years.

Question 11

When sunspot output is __________, ______________ on the sun’s surface cause _______________.

When sunspot output is ____________, _____________ is ___________. Causing _________ temperatures on Earth.

Answer 11

maximum
large explosions
solar flares

minimum
solar output
reduced
lower

Question 12

When sunspot output is __________, ______________ on the sun’s surface cause _______________.

When sunspot output is ____________, _____________ is ___________. Causing _________ temperatures on Earth.

Answer 12

maximum
large explosions
solar flares

minimum
solar output
reduced
lower

Question 13

How can volcanic ash impact the Earth’s temperature?

Answer 13

Volcanic ash can block out the sun., reducing temperatures on Earth.

Question 14

The sun gives off _____________ radiation.

The earth ___________ and gives off ______________ radiation.

Answer 14

short-wave
warms up
long-wave

Question 15

How does changes in agriculture contribute to global warming?

__________________ to increase ___________________ releases ______________________.

Fossil fuels are often used in the production of ________________________ and ______________________________.

Answer 15

Deforestation
farmland cover
greenhouse gases

fertiliser and pesticides
transportation of food

Question 16

How does increasing the use of fossil fuels contribute to global warming?

Fossil fuels are used in _______________, _________________ and generating ______________.

Burning fossil fuels releases ________________; a _____________________ into the atmosphere.

Answer 16

transportation
manufacturing
electricity

carbon dioxide
greenhouse gas

Question 17

The burning of fossil fuels accounts for how much percent of all human-produced CO2 emissions?

Answer 17

87%

Question 18

Carbon capture works by fitting a _______________ capture plant next to a __________________.

Once captured, the carbon gas is ______________ and transported through a ____________ to an __________________.

Answer 18

carbon dioxide
power station

compressed
pipeline
injection well

Question 19

An injection well injects ______________ into the ground to be stored in ______________________.

Answer 19

liquid carbon
geological reservoirs

Question 20

What are 4 ways to mitigate climate change?

Answer 20

Carbon capture

Planting trees

Renewable energy sources

International agreements

Question 21

What happened during the 2015 Paris Agreement?

Answer 21

195 countries agreed to keep global temperature increases below 2 degrees Celsius.

Question 22

What are 3 ways to adapt from climate change?

Answer 22

Change in agricultural systems

Managing water supply

Reducing the risks of rising sea levels

Question 23

How is the Maldives reducing the risks of rising sea levels?

Answer 23

By building a 3m sea wall around the capital of Male.