Earth y8

Question 1

solar power

Answer 1

energy from the sun that is converted into thermal or electrical energy

Question 2

tidal power

Answer 2

Energy generated by ocean tides in places where favorable topography allows for construction of a power plant.

Question 3

wave power

Answer 3

Is electrical power produced from ocean waves that is used to turn an electrical generator

Question 4

natural gas

Answer 4

flammable gas, consisting largely of methane and other hydrocarbons, occurring naturally underground (often in association with petroleum) and used as fuel

Question 5

coal

Answer 5

a combustible black or dark brown rock consisting mainly of carbonized plant matter, found mainly in underground deposits and widely used as fuel.

Question 6

renewable energy

Answer 6

energy from a resource that has a theoretically unlimited supply and is not depleted when used by humans

Question 7

hydroelectric power

Answer 7

Electricity generated by flowing water

Question 8

nuclear power

Answer 8

energy from splitting Uranium atoms.

Question 9

wind power

Answer 9

power obtained by harnessing the energy of the wind.

Question 10

solar panel

Answer 10

a device used to capture light energy from the Sun and convert it into electrical energy

Question 11

carbon footprint

Answer 11

measure of the impact human activities have on the environment in terms of the amount of greenhouse gases produced, measured in units of carbon dioxide

Question 12

carbon emissions

Answer 12

Carbon dioxide and carbon monoxide released in the atmosphere, produced by vehicles and industrial processes

Question 13

greenhouse gases

Answer 13

Gases such as carbon dioxide, methane, nitrous oxide, water vapor, and ozone in the atmosphere which are involved in the greenhouse effect.

Question 14

carbon emissions

Answer 14

Carbon dioxide and carbon monoxide released in the atmosphere, produced by vehicles and industrial processes

Question 15

climate change

Answer 15

a change in global or regional climate patterns

Question 16

exhaust fumes

Answer 16

the toxic gases given off by vehicles powered by petrol

Question 17

pollution

Answer 17

Release of harmful materials into the environment

Question 18

nuclear waste

Answer 18

radioactive waste material produced by nuclear power plants

Question 19

dispose of

Answer 19

to get rid of

Question 20

reduce

Answer 20

to make smaller

Question 21

conserve

Answer 21

to preserve; to keep from being damaged, lost, or wasted; to save

Question 22

fossil fuels

Answer 22

Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.

Question 23

captivity

Answer 23

the state of being kept in a space that you cannot escape from

Question 24

Use up

Answer 24

use all of a supply of something

Question 25

rely on

Answer 25

To depend on

Question 26

extinction

Answer 26

a situation in which a plant, an animal, a way of life, etc. stops existing

Question 27

habitat

Answer 27

the natural home or environment of an animal, plant, or other organism.

Question 28

poaching

Answer 28

illegal hunting

Question 29

reserve

Answer 29

a piece of land that is a protected area for animals, plants, etc.

Question 30

threat

Answer 30

something that is a source of danger

Question 31

endangered species

Answer 31

A species whose numbers are so small that the species is at risk of extinction

Question 32

wildlife

Answer 32

animals, birds, and plants living in their natural environment