grade 5 exame concept 2 unit 3

The level of water in a river may increase causing flooding

when there is more .............................

• rainfall.

• wind.

• sunlight.

• sediments

‘The natural resource which is important to the survival of all living organisms

is.......................

• . soil.

• oil.

• water

• grass.

.........................are formed when water collects in low-lying areas

• Seas

• Lakes

• Rivers

• Oceans.

put ( True ) OR ( False )

The type of water in wetlands is salt water only.

• True

• False

put ( True ) OR ( False )

You can conserve water by leaving the tap open during brushing your teeth

• True

• False

dams can be used to filter polluted water to used again.

• True

• False

put True or False

Wastewater engineers design tools to clean water.

• True

• False