Topic 9 Earth - Water is precious

Topic 9 Earth - Water is precious

By Gipson Lim

Do you know what are the natural sources of water on our Earth?

They are rain, rivers, lakes, seas and springs.

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​Natural sources of water

Water droplets that fall from the clouds​

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​Rain

A large part of he earth's surface that is covered with salt water.

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​Sea

A large area of water that is surrounded by land.

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​Lake

Rain that fall to the earth form streams of water called rivers.

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River

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Multiple Choice

What is the name of this source of water?

• sea

• lake

• rivers

• rain

Multiple Choice

What is the name of this natural water source?

• river

• sea

• spring

• lake

Multiple Choice

What is the name of this natural source of water?

• river

• spring

• rain

• sea

Multiple Choice

What is the name of this natural source of water?

• sea

• river

• lake

• spring

Multiple Choice

One of these natural water sources is not freshwater. Which one is it?

• river

• sea

• lake

• pond

Multiple Choice

What is the direction of water flow?

• From a low place to a high place

• From a high place to a low place

Multiple Choice

The water in rivers will eventually end up in the _____

• lake

• pond

• sea

• drain

Multiple Choice

When water vapour rises up from the sea to the air, it is called _______

• evaporation

• condensation

• precipitation

Multiple Choice

When water vapour is cooled and become clouds, this process is called _______ .

• evaporation

• condensation

• precipitation

Multiple Choice

When the heavy clouds fall as rain, the process is called ________ .

• evaporation

• condensation

• precipitation

Multiple Choice

The correct sequence of water cycle is

• condensation => evaporation => precipitation

• evaporation =>

  condensation =>

  precipitation

• precipitation =>

  evaporation =>

  condensation

• precipitation =>

  condensation =>

  evaporation

Multiple Choice

Which of these sources is it safe to drink the water directly?

• ponf

• river

• sea

• rainwater

Multiple Choice

In the Champagne Tower experiment, the water flows from ..............................

• a high place to a low place

• a low place to a high place

Multiple Choice

Which of the statement is FALSE?

• Water will naturally flow from a high place to a low place

• Water is channeled from its source to a treatment plant before it is pumped into homes.

• Water cycle is a continous process.

• Water that is clear is safe to drink.