energy resources

Question 1

How does wave energy work?

Answer 1

Captures ocean wave movement to generate electricity.

Question 2

What are two advantages of wave energy?

Answer 2

1. It is sustainable.
2. It produces no harmful waste or pollution.

Question 3

What are two disadvantages of wave energy?

Answer 3

1. It can harm marine life.
2. It is expensive to build and maintain.

Question 4

How does tidal energy work?

Answer 4

Harnesses energy from rising and falling tides to produce power.

Question 5

What are two advantages of tidal energy?

Answer 5

1. It is predictable and reliable.
2. It produces no greenhouse gases.

Question 6

What are two disadvantages of tidal energy?

Answer 6

1. It is expensive to install.
2. It can disrupt local ecosystems.

Question 7

How does hydroelectric energy work?

Answer 7

Converts flowing water’s kinetic energy into electricity using turbines.

Question 8

What are two advantages of hydroelectric energy?

Answer 8

1. It is renewable.
2. It can store energy for later use.

Question 9

What are two disadvantages of hydroelectric energy?

Answer 9

1. It disrupts local ecosystems.
2. Dams can displace communities.

Question 10

How does pumped storage energy work?

Answer 10

Stores energy by moving water between reservoirs at different elevations.

Question 11

What are two advantages of pumped storage?

Answer 11

1. It stores energy efficiently.
2. It provides quick responses to demand changes.

Question 12

What are two disadvantages of pumped storage?

Answer 12

1. It requires a large area of land.
2. It is expensive to build.

Question 13

How does geothermal energy work?

Answer 13

Utilizes Earth’s internal heat (from radioactive elements) to generate steam for electricity production.

Question 14

What are two advantages of geothermal energy?

Answer 14

1. It produces little to no emissions.
2. It is reliable and consistent.

Question 15

What are two disadvantages of geothermal energy?

Answer 15

1. It is location-specific.
2. It can release harmful gases.

Question 16

How do fossil fuels generate energy?

Answer 16

They are burned to create steam that turns turbines, generating electricity.

Question 17

What are two advantages of fossil fuels?

Answer 17

1. They are cheap.
2. They generate a large amount of energy.

Question 18

What are two disadvantages of fossil fuels?

Answer 18

1. They produce greenhouse gases.
2. They are non-renewable.

Question 19

How does biomass energy work?

Answer 19

Burns organic materials like wood or waste to produce heat and electricity.

Question 20

What are two advantages of biomass energy?

Answer 20

1. It uses renewable resources.
2. It reduces waste.

Question 21

What are two disadvantages of biomass energy?

Answer 21

1. It can lead to deforestation.
2. It produces some emissions.

Question 22

How does nuclear energy work?

Answer 22

Uses nuclear fission to release energy for electricity generation.

Question 23

What are two advantages of nuclear energy?

Answer 23

1. It produces a large amount of energy.
2. It has low greenhouse gas emissions.

Question 24

What are two disadvantages of nuclear energy?

Answer 24

1. It produces radioactive waste.
2. It is expensive to build and maintain.

Question 25

How does solar energy work?

Answer 25

Converts sunlight directly into electricity using photovoltaic cells.

Question 26

What are two advantages of solar energy?

Answer 26

1. It is renewable. 2. It produces no emissions.

Question 27

What are two disadvantages of solar energy?

Answer 27

1. It depends on sunlight availability. 2. Solar panels can be expensive.

Question 28

How does wind energy work?

Answer 28

Uses wind turbines to transform wind’s kinetic energy into electrical power.

Question 29

What are two advantages of wind energy?

Answer 29

1. It is renewable. 2. It produces no harmful emissions.

Question 30

What are two disadvantages of wind energy?

Answer 30

1. It is weather-dependent. 2. Wind farms can take up a lot of space.