Using Earth's resources Flashcards

1
Q

Aquifer

A

A natural underground rock structure which holds groundwater.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Water stress

A

Where a country or area cannot meet its demand for fresh water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Water surplus

A

Where a country or area exceeds its demand for fresh water.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Renewable resource

A

A resource we can make use of, that will not run out .

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Non-renewable resource / Finite resource

A

A resource that is limited, and could run out one day.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Natural resource

A

It occurs naturally in the environment, and we can make use out of it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Food security

A

People have access, at all times, to enough safe and nutritious food for a healthy and active life.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Food bank

A

A place which gives out free (donated) food to people who need it.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Fossil fuel

A

Coal, oil, and natural gas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Fossil water

A

Groundwater that has been sealed into aquifers for thousands or millions of years, by changes in the surrounding rock.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Mass extinction

A

When a large number of species die of over a quite short period of time; for example because of an ige age.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Biodiversity

A

The variety of living things in a place.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Biomass

A

Plant or animal material used as fuel; for example, wood and waste from farms.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Hydroelectricity

A

Electricity generated when flowing water spins a turbine.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Solar power

A

Electricity generated from sunlight, using Photovoltaic (PV) cells.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Hydroponics

A

Growing plants in water that contains the nutrients they need.

17
Q

Self-sufficient

A

The ability of a region or country to produce enough food without needing to buy or import additional food.

18
Q

Carbon neutral

A

Adding no carbon dioxide to the atmosphere, overall; If any is being added it is cancelled out by planting trees.

19
Q

Food insecurity

A

People do not have access at all times to the food they need.

20
Q

Trade wars

A

Where countries try to damage each other’s trade; for example, they may place tariffs on imports from each other.

21
Q

Tariffs

A

Taxes on imports or exports.

22
Q

Habitat

A

The natural environment of a species; its home.

23
Q

Sustainable

A

Can be carried on into the future without doing harm.

24
Q

Desalination plant

A

Where sea water is turned into fresh water, by removing its salt.

25
Environment
Everything around you; air, soil, water, animals, and plants form the natural environment.
26
Fresh water
Water that is not salty; for example, the water in rivers and springs.
27
Green electricity
Generated using renewable resources such as wind, waves, and sunlight; no harmful emissions are produced.
28
Groundwater
Water that collects below ground, when rain trickles through the soil.
29
Irrigate
To water crops.
30
Living sustainability
Living in a way that does not harm us humans, other species, or the environment.
31
PV cell (Photovoltaic cell)
Converts the energy from sunlight into electricity.
32
Cloud seeding
When planes spray tiny salt crystals into clouds, to encourage water droplets to grow larger, and fall as rain.