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S1_3.2 Types of Water Stores

Total questions: 25

Worksheet time: 18mins

Name
Class
Date
1.

Which one is NOT a water store?

a)
Oceans/seas
b)
Glaciers
c)
Rivers/Lakes
d)
Air
2.

Almost ¾ of the Earth’s surface is covered with ​ (a)   . However, ​ (b)   of the water is salt water contained in the seas and ​ (c)   . This salt water cannot be used for drinking or for industrial purposes unless it is processed. The remaining ​ (d)   of the Earth’s water is ​ (e)   , even then, 70% of this freshwater is frozen in the form of glaciers and ice sheets., which is not easily accessible.

Choose from the below words
water
97%
oceans
3%
freshwater
3.
There are _________ major oceans in the world.
a)
7.0
b)
6.0
c)
5.0
d)
4.0
4.
Identify the largest ocean in the world.
a)
Pacific
b)
Atlantic
c)
Indian
d)
Southern
5.

Identify the oceans:

6.
What are glaciers?
a)
Large masses of hot lava flowing from volcanoes.
b)
Large masses of ice that rest on land or float in the sea.
c)
Mountains covered in snow.
d)
Rivers of fresh water flowing from lakes.
7.
Where are glaciers typically found?
a)
In deserts where it's hot and dry.
b)
In places where it rains throughout the year.
c)
In places where it snows throughout the year.
d)
In tropical rainforests.
8.
How does snow turn into a glacier?
a)
Snow melts and forms a river.
b)
Snow accumulates and then evaporates.
c)
Snow accumulates and hardens into ice.
d)
Snow gets blown away by the wind.
9.

Which of the following continents have NO glaciers?

a)
Australia
b)
Asia
c)
North America
d)
South America
10.
What do rivers primarily do with freshwater?
a)
Evaporate it immediately.
b)
Store it permanently.
c)
Store it temporarily before flowing into another water body.
d)
Freeze it into ice.
11.
Where do most rivers end up?
a)
In deserts.
b)
On mountains.
c)
In forests.
d)
In lakes or seas/oceans.
12.
Why do rivers flow from higher elevation to lower elevation?
a)
Due to magnetic forces.
b)
Because of the wind.
c)
Because of the vegetation.
d)
Due to gravity.
13.

River __________ marks the point where the river begins.

a)
source
b)
mouth
14.
River __________ marks the place where the river flows into another water body.
a)
source
b)
mouth
15.

Label the river source and river mouth.

16.

Label the river source and river mouth.

17.
Lakes are water bodies surrounded by ________.
a)
air
b)
land
c)
water
d)
trees
18.
How can lakes receive water?
a)
From the Sun's heat.
b)
From melting metals.
c)
From rain, snow, or rivers.
d)
From tree roots.
19.

Which of the following statement is TRUE?

a)
Singapore has 100 natural lakes.
b)
Singapore has no natural lakes.
c)
Singapore has underground lakes.
d)
Singapore receives water from its lakes.
20.
How many reservoirs are there in Singapore?
a)
5.0
b)
10.0
c)
17.0
d)
50.0
21.
Where can groundwater be found?
a)
Above the surface of the Earth.
b)
On mountains.
c)
Floating in the air.
d)
Beneath the surface of the Earth.
22.
Why does water enter into the soil?
a)
Due to magnetic forces.
b)
Because of vegetation cover.
c)
Due to atmospheric pressure.
d)
Due to gravity.
23.
What happens when water fills up the pores and cracks of rocks beneath the surface of the Earth?
a)
It evaporates immediately.
b)
It turns into oil.
c)
It forms the groundwater layer.
d)
It crystallizes into diamonds.
24.
How does water become groundwater?
a)
It floats down from the sky.
b)
Water flows from plants.
c)
Water is absorbed by animals.
d)
Water enters into the soil due to gravity.
25.

​ (a)   refers to the loose ​ (b)   layer of Earth’s surface where plants grow. This layer contains different materials. When it rains, the rainwater passes through the soil through small openings known as ​ (c)   . Water can then be stored in the soil as soil moisture.

Choose from the below words
Soil
pores
topmost
bottom most
holes