Year 8 Revision End Of Year Flashcards

Question

What are greenhouse gasses

Answer 1

Greenhouse gasses are in the atmosphere and absorb radiation and radiates it down to earth

Answer 2

A area of land permanently Coverd by ice. They are coverd by glaciers ice sheets and frozen solid rock the temperature is constantly below frezing (0 degrees)

Answer 3

The glacial budget is the balance between accumulation and ablation so snowfall would input in the glacial budget but the and the ice melting would be and output

Answer 4

A rounded hollow on the side of the mountain with a steep back wall and containing a tarn

Answer 5

The line of sloping rock that heads sown from the peak

Answer 6

The pyramid shaped peak at the top of mountain

Answer 7

It is when water from the glacier gets into cracks in the rock and freezes and thaws constantly loosening the rock until it eventually falls of

Answer 8

Plucking is when water gets into the cracks of the rock and freezes. When the glacier moves the rock gets plucked of

Answer 9

Rock in the glacier scrapes the rock on the cliff whereing it down and it eventualy scrapes of through erosion

Answer 10

They generate a natural layer of water underneath them and fall under there own weight in a circular motion causing it to move forward

Answer 11

When water flows across the ground straight into the river if its very dry or wet

Answer 12

Water moves downwards into the soil from from the surface

Answer 13

It is when water fills the pores between soil particles

Answer 14

Water moves deep downwards into the permeable rock

Answer 15

Water flows horizontally towards the river

Answer 16

Water fils the gaps between rocks and is stored deep underground.

Answer 17

Water flows very slowly horizontally towards the rive through ground water rocks

Answer 18

Leaves and buildings catch rain as it falls to the ground and stores the water

Answer 19

Water droplets (puddles/lakes/rivers/seas)are heated and become water vapour

Answer 20

As water vapour rises it cool and eventually turn back into water droplets into clouds

Answer 21

When water falls to the ground in any form

Answer 22

The edge of the drainage basin

Answer 23

Where the river begins

Answer 24

Where the river meets the sea

Answer 25

The point at where 2 rivers meet

Answer 26

A small river or stream that joins the river

Answer 27

This is where the main river flows

Answer 28

This is the area of land that has been drained by the river and its tributaries

Answer 29

River flooding is when a river has to much water than its banks can hold. The water level (discharge) then flows over the river bank and onto the surrounding area (flood plain)

Answer 30

Deforestation Farming Saturated soil Impermeable rock

Answer 31

The methods used to prevent the impact of flooding

Answer 32

Involves building man made structures which aim to control the flow of the river and prevent flooding using technological solutions

Answer 33

Works with natural processes to reduce the effect of flooding these are usually more inviromentaly sustainable solutions

Answer 34

``` Dams Straightening the river Levees Afforestation Land use zoning Flood warnings ```

Answer 35