RESOURCES-LONDON'S WATER SUPPLY

Question 0

Impermeable

Answer 0

Doesn’t let water pass

Question 1

Permeable

Answer 1

Allows water to pass

Question 2

Two types of permeable…

Answer 2

Pervious and Porous

Question 3

Porous

Answer 3

To have air spaces, pores

Question 4

Pervious

Answer 4

To have cracks, fissures, water moves along the cracks like liquid pass through a cracked cup

Question 5

Later sands and gravels

Answer 5

Permeable

Question 6

London Clay

Answer 6

Impermeable

Question 7

Woolwich and Reading beds

Answer 7

Permeable

Question 8

Chalk

Answer 8

Permeable

Question 9

Gault clay

Answer 9

Impermeable

Question 10

Sedimentary rocks

Answer 10

Tiny particles of rocks

Question 11

Clay

Answer 11

Sedimentary, formed in layers, impermeable material

Question 12

Chalk (Cretacious Chalk)

Answer 12

Sedimentary, permeable, pervious

Question 13

Anticline

Answer 13

Upfold

Question 14

Syncline

Answer 14

Downfold

Question 15

Stratum

Answer 15

One layer

Question 16

Strata

Answer 16

Several layers

Question 17

Aquifer

Answer 17

Chalk layer, that contains water

Question 18

Artesian Basin

Answer 18

A synclinal basin in the earth’s crusts, in which one of more permeable water nearing strata its aquifer lies in between two layers of impermeable strata, forming a suclinal basin

Question 19

Artesian aquifer

Answer 19

A confined aquifer containing ground water under positive pressure

Question 21

Artesian Well

Answer 21

A perpendicular boring sunk through the upper impermeable layer in an artesian basin to reach the aquifer

Question 22

A well drilled through impermeable strata into strata that receive water from a higher altitude leads to

Answer 22

pressure to force the water to flow upward

Question 23

London is situated on a sequence of

Answer 23

down-folded sedimentary rocks

Question 24

This folding happened due to

Answer 24

tectonic activity

Question 25

Rainwater enters the chalk layer through the

Answer 25

Chiltern Hills and North Downs

Question 26

The water is trapped in the chalk as there is an impermeable

Answer 26

Gault Layer

Question 27

the chalk layer is an aquifer (a rock that contains water) that

Answer 27

Thames Water extracts water from