unit 3. lesson 2 concept 2 grade 5 second term

. Delta is formed when.......................................

• the speed of water increases.

• the speed of water decreases.

• the amount of river's water decreases.

• the river's water dry up

Atthe end of Nile River Delta, there is a/an .............. between Nile River and

Mediterranean sea.

• a. lake

• b. wetland

• c. ocean

• d. estuary

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

• Seas

• Oceans

• Lakes

• Rivers

Among the kinds of wetlands are .............................

• a. swamps and lakes.

• b. marshes and bogs.

• c. ponds and oceans. .

• d. swamps and estuaries.

Estuary is formed when the water of ............. meets the water of...................

• a. a river —a sea.

• b. a river — groundwater.

• c. a sea— an ocean.

• d. a sea — a wetland.

The floor of ........................ may contain mountains and plateaus.

• a. wetland

• b. oceans

• c. rivers

• d. lakes

‘Among the examples of freshwater bodies in which more than 10% of the

world's animal species live are ..............

• a. rivers and seas.

• b. streams and seas.

• c. oceans and seas.

• d. rivers and streams.

The type of water that is found in the sea is ..........

• a. salt water only.

• b. fresh water only.

• c. salt and fresh water.

• d. neither salt nor fresh water.

People obtain their needs of ............... that is found in lakes, rivers, streams and

ground water.

• a.oxygen gas

• b. seaweed

• c. salt water

• d. fresh water

Among the risks that threaten lots of water areas on Earth are...............

• a. conservation and scarcity.

• b. scarcity and poor quality.

• c. conservation and poor quality.

• d. conservation and extinction.