Water Cycle

Question 1

What is evaporation

Answer 1

The transfer and change of water from the ground into water vapour in the air. Water vapour is an invisible gas.

Question 2

What is transpiration

Answer 2

The transfer and change of water vapour in the air

Question 3

What is condensation

Answer 3

Water vapour in the air changes back into a liquid. It forms small droplets which are visible as a cloud

Question 4

What is precipitation

Answer 4

The transfer of water from the air to the land.water can fall to the earth as rain, hail, sleet or snow

Question 5

What is surface water

Answer 5

The transfer of water back to the sea over the ground surface. It is called surface run-off. It is easiest to see where I forms river

Question 6

What is ground water

Answer 6

The transfer of water through the ground back to sea

Question 7

What is interception

Answer 7

Water is intercepted by the leaves of trees when it rains

Question 8

What is saturation

Answer 8

When the ground is unable to contain a more liquid

Question 9

What is impermeable surfaces

Answer 9

A surface that water cannot pass through

Question 10

What is infiltration

Answer 10

It is the process by which water on the ground surface enter the soil

Question 11

What is percolation

Answer 11

When water moves downwards through the soil

Question 12

Where does the heat energy come from

Answer 12

The sun

Question 13

Does warm air rise or sink

Answer 13

Rise

Question 14

What is a river basin

Answer 14

It an area of land where rain collects

Question 15

What is a tributaries

Answer 15

It’s a small river or stream that flows into a larger river or stream

Question 16

What is confluence

Answer 16

It is a meeting of two or more bodies of water

Question 17

What is a water shed

Answer 17

The boundary or edge of a river basin is called a water shed it is usually in high ground

Question 18

Where does the river begin

Answer 18

It begins at its source

Question 19

What is a channel

Answer 19

A river flows in the the channel. The channel has banks and a bed. Floods occur when a river overflows it channel

Question 20

What is the mouth

Answer 20

Rivers flow into the sea or a lake. The end of a river is called a mouth.

Question 21

What is the water cycle

Answer 21

The never ending movement of water between the sea, the land and the air. It is also known as hydrological cycle

Question 22

Define the word river flooding

Answer 22

The rise of a river to an elevation such that the river overflows it natural banks causing or threatening damage

Question 23

What is an estuary

Answer 23

An estuary is a partly enclosed coastal body of brackish water with one or more river or streams flowing into it and with a free connection to the open sea