IB ESS Review: Topic 7 Terms

Question 1

Fuel wood. Who uses it most?

Answer 1

Wood and charcoal used to supply energy. LEDCs.

Question 2

Hydroelectricity pros and cons

Answer 2

Pro: scope for small-scale hydroelectric power to supply local communities
Cons: Many of the best locations are already in use for large scale production.

Question 3

Oil pros and cons

Answer 3

Pros: Compact, portable, easy to store.
Cons: Nonrenewable, locating new reserves requires high investment, concerns that we are reaching peak oil.

Question 4

Coral bleaching happens…

Answer 4

When it is stressed! A sign of coming death.

Question 5

Geoengineering

Answer 5

Large scale intervention in the Earth’s natural systems to counteract climate changes. (solar radiation, CDR removal)

Question 6

Geothermal

Answer 6

Natural heat from inside the Earth can be used to heat up water and turn it in to steam.

Question 7

Energy security

Answer 7

Uninterrupted availability of energy sources at an affordable price.