Geothermal energy

Question 1

fuel

Answer 1

a substance that releases energy when it’s burned

Question 2

combustion

Answer 2

the burning of a fuel to produce heat and light

Question 3

turbine

Answer 3

a device that contains a wheel with blades that rotate by pressure of moving water, steam, or air

Question 4

fossil fuel

Answer 4

a substance produced by pressure and decaying organisms that is used for energy

Question 5

generator

Answer 5

a device that changes the energy of motion into electrical energy

Question 6

battery

Answer 6

a device that stores chemical energy that can change into electrical energy

Question 7

device

Answer 7

objects made for a specific purpose

Question 8

primary

Answer 8

first, most important

Question 9

coal

Answer 9

a solid fossil fuel that is burned to transfer energy

Question 10

petroleum

Answer 10

a liquid fossil fuel that can be burned to transfer energy

Question 11

natural gas

Answer 11

a fossil fuel that is burned for energy

Question 12

nuclear fuel

Answer 12

an energy source made from unstable elements such as uranium

Question 13

uranium

Answer 13

an unstable element used by humans as an energy source

Question 14

outcome

Answer 14

the result of an event

Question 15

geothermal energy

Answer 15

energy created by pressure and heat underneath the earth’s crust

Question 16

hydropower

Answer 16

energy from the movement of water

Question 17

available

Answer 17

can be used

Question 18

emission

Answer 18

the release of something into the environment

Question 19

pollutant

Answer 19

a harmful substance that is released into the environment

Question 20

scrubber

Answer 20

a device in a power plant that reduces the amount of released pollutants sent into the air

Question 21

greenhouse gas

Answer 21

a gas that makes the atmosphere able to hold more heat such as carbon dioxide and water vapor

Question 22

impact

Answer 22

an effect