Chapter 7

Question 1

Biodegradable

Answer 1

describes a substance that breaks down or decomposes easily in the environment

Question 2

Biomass energy

Answer 2

Using dead plants and animals to create energy

Question 3

Black coal

Answer 3

The last possible type of driest coal that gives out energy

Question 4

Brown coal

Answer 4

The first stage of black coal when it’s been compressed enough to create energy.

Question 5

Clouds

Answer 5

A visible collection of small water droplets in the air high above the ground

Question 6

Concentration

Answer 6

The process of purifying a substance by removing it from gangue

Question 7

Crust of the earth

Answer 7

The base of the earth that we walk on and live on

Question 8

Condensation

Answer 8

Cloud forming

Question 9

Deforestation

Answer 9

the removal of trees from the land

Question 10

Deposition

Answer 10

Athe laying down of weathered rock particles and soil by rivers, wind, oceans and glaciers

Question 11

Desalination

Answer 11

the conversion of sea water to fresh water

Question 12

Erosion

Answer 12

Othe process of moving weathered rock or soil from one place to another

Question 13

Fog

Answer 13

Fog is when clouds get so close to the ground, that we are living in the clouds.

Question 14

Fossil fuels

Answer 14

The remains of dead plants and animals, that are compressed so far together, that they can be burnt to create electricity.

Question 15

Gangue

Answer 15

The excess materials found on mineral ores

Question 16

Geothermal energy

Answer 16

Using the earths natural het to create energy.

Question 17

groynes

Answer 17

jetty built into the sea to prevent the erosion of the beach

Question 18

Gyres

Answer 18

a circular pattern of currents in an ocean basin.

Question 19

Hydro electricity

Answer 19

The use of water to generate electricity

Question 20

Humus

Answer 20

organic matter resulting from the decomposition of plant and animal tissue in the soil. Humus helps the soil hold water and mineral nutrients needed by plants

Question 21

Mineral

Answer 21

The state of final production of that ore. Bauxite etc.

Question 22

Mineral ore

Answer 22

The first form of an ore found underground.

Question 23

Natural gas

Answer 23

A fossil fuel consisting of mainly methane

Question 24

Nuclear

Answer 24

the energy stored at the centre of atoms, the tiny particles that make up all substances. Nuclear energy can be released from the radioactive metals uranium or plutonium and transformed into electrical energy in a nuclear power station

Question 25

Non renewable resource

Answer 25

Takes 80 or more years to replenish, and we use it more than the rate that it can replace itself

Question 26

Open cut mining

Answer 26

Making a slit in the ground, and then mining to the sides and deeper. Less dangerous than underground mining

Question 27

Over burden

Answer 27

rock, soil and vegetation, which are removed before mining can commence.

Question 28

Peat

Answer 28

The remains of formed fossil fuels.

Question 29

Reduction

Answer 29

The process of making a substance stronger/purer by seperate get it from its foreign substance.

Question 29

Purification

Answer 29

The removal of impurities from metals to produce a pure metal

Question 29

Porous rocks

Answer 29

A rock that can pass liquids through it

Question 30

Precipitation

Answer 30

Rain

Question 31

Renewable resource

Answer 31

The resource Can replenish as fast as we use it. Takes 80 or less years to replenish.

Question 31

Sedimentary rocks.

Answer 31

I rocks formed from sediments

Question 32

Run off

Answer 32

When water precipitates on the ground, and it makes its ways to main bodies of water.

Question 34

Smelting

Answer 34

The process of melting mineral ores

Question 35

Sediments

Answer 35

Matter that is carried by water or wind, and is deposited into bodies of water, and on the surface If land.

Question 36

Solar energy

Answer 36

Using the Suns natural heat to create electricity

Question 38

Soil

Answer 38

complex mixture of the products of weathering and organic matter, both living and dead

Question 39

The water cycle

Answer 39

the constant circulation of water on Earth, as it evaporates from the sea, condenses into clouds and precipitates

Question 40

Turbines

Answer 40

wheels that, when turned, drive electrical generators. Steam or water are often used to turn turbines.

Question 41

Underground mining

Answer 41

Mining without any direct air supply. Extreemly dangerous because: cave ins, fainting, flooding etc. can occur

Question 42

Weathering

Answer 42

the process of breaking down rocks by conditions in the atmosphere