Physical Processes and Relationships between People and Enviroment

Question 1

Weather

Answer 1

Day-to-day changes in the atmosphere.

Question 2

Climate

Answer 2

Average weather conditions over a period of usually at least 30 years.

Question 3

Pressure System

Answer 3

A large mass of air having similar air pressure characteristics.

Question 4

Deforestation

Answer 4

The cutting down or burning of trees.

Question 5

Ecosystem Management

Answer 5

Regulating the use of ecosystems so that human needs and those of the ecosystem are met.

Question 6

Stores (water cycle)

Answer 6

Where water remains in one place or state.

Question 7

Flows (water cycle)

Answer 7

The transfer of water between stores, in the same state or involving a change of state.

Question 8

Flooding

Answer 8

When water covers or submerges a place or area that is normally dry.

Question 9

Flood protection

Answer 9

Actions taken to protect an area from the effects of flooding.

Question 10

Hydraulic Action

Answer 10

The breaking up of rock material caused by water compressing air in cracks within rock surfaces, before real easing it explosively.

Question 11

Abrasion

Answer 11

The wearing away of rock surfaces by pieces of rock held in the water. Also known as corrasion.

Question 12

Corrosion

Answer 12

The dissolving in water of soluble rock material, like limestone. Also known as solution.

Question 13

Attrition

Answer 13

The wearing down of rock material by fragments rubbing together during transport.

Question 14

Discharge

Answer 14

The volume of water flowing through a section of river at a given time. It is measured in cubic metres per second.

Question 15

Bedload

Answer 15

The material carried by a river being bounced or rolled along its bed.

Question 16

Solution

Answer 16

Rock material dissolves in the water. It may eventually become solid again if this water evaporates.

Question 17

Suspension

Answer 17

Material ‘floats’ in the water as it moves.

Question 18

Saltation

Answer 18

Material is bounced along by the moving water.

Question 19

Traction

Answer 19

Material is rolled or dragged along. It does not leave the surface as it is carried.

Question 20

Confluence

Answer 20

Where two rivers meet and join to form one larger river.

Question 21

Tributary

Answer 21

A small river feeding into a large one

Question 22

Estuary

Answer 22

Where a river enters the sea

Question 23

Precipitation

Answer 23

Water falling out of the atmosphere

Question 24

Interception

Answer 24

Where falling water hits the earths surface

Question 25

Evaporation

Answer 25

Transfer of water from a liquid to a gaseous state

Question 26

Transpiration

Answer 26

Transfer of water vapour from vegetation

Question 27

Infiltration

Answer 27

Water seeping into the ground

Question 28

Through flow

Answer 28

Movement of water though the soil

Question 29

Groundwater flow

Answer 29

Movement of water through rocks