Energy

Question 1

what are some advantages and disadvantages of fossil fuels

Answer 1

Advantages: less expensive infrastructure is in place, well developed technology

Disadvantages: releases greenhouse gases
-non renewable

Question 2

How is nuclear energy produced

Answer 2

by atomic fission (usually uranium)

Question 3

List some advantages and disadvantages of nuclear energy

Answer 3

Advantages: no greenhouse gases, small amount = a lot of energy

Disadvantages: non renewable, nuclear waste, could have accidents with serious consequences

Question 4

How does geothermal energy work

Answer 4

It is formed from the internal heat of the Earth’s molten rock

Question 5

How does oil and natural gas form

Answer 5

by small marine animals and algae dying and sinking to the bottom of the sea a long time ago

Question 6

how does coal form

Answer 6

terrestrial swamps being buried and compressed by silt and sand

Question 7

List some advantages and disadvantages of geothermal energy

Answer 7

advantages: renewable, doesn’t produce greenhouse gases

Disadvantages: not always available, expensive to set up.

Question 8

what is hydraulic energy

Answer 8

energy from moving water

Question 9

list some advantages and disadvantages of hydraulic energy

Answer 9

advantages: cost efficient long term, no emission of greenhouse gases, renewable

disadvantages: take time and money to set up, destroys local environment

Question 10

how do tidal power plants generate energy

Answer 10

tides, since they produce a lot of energy

Question 11

list some advantages and disadvantages of tidal energy

Answer 11

advantages: no greenhouse gas emission, renewable

disadvantages: disturbs marine life, expensive to build and maintain, ugly

Question 12

list some advantages and disadvantages of wind energy

Answer 12

Advantages: renewable, does not produce greenhouse gasses

disadvantages: takes money and time to set up, not always conveniently located, ugly to some, noisy, cannot be stored

Question 13

what is solar power

Answer 13

converting hydrogen to helium which produces energy

Question 14

list the different types of solar radiation and their advantages and disadvantages

Answer 14

Passive heating systems
Photovoltaic cells/solar panels
Solar collectors

Advantages: green, renewable, can be inexpensive
Disadvantages: no sun/no energy, battery is not so good, needs transportation