Weather, Water and Air Test 1

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Weather, Water and Air Test 1

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Weekly Quiz Competition

Question 1
1 / -0

Frozen dew is called

A
hail stone

B
rain

C
frost

D
water

Solution

Frozen dew is called hail stone.
Question 2
1 / -0

The figure given below gives the following observation.

What process causes the dew present on the leaf to disappear by 10.00 a.m.?

A
Boiling

B
Evaporation

C
Condensation

D
Melting

Solution

The evaporation of dew causes it to disappear.
Question 3
1 / -0

Which two of the gases given below make up more than 95% of air?

A
Oxygen and carbon dioxide

B
Oxygen and nitrogen

C
Nitrogen and carbon dioxide

D
Nitrogen and inert gases

Solution

95% of the air constitutes of oxygen and nitrogen.
Question 4
1 / -0

Why is the water cycle important to us?

A
It helps in the recycling of oxygen from the Earth to the sky.

B
It helps in the recycling of water from the Earth to the sky.

C
It helps in the recycling of carbon dioxide from the Earth to the sky.

D
It helps in the recycling of nitrogen from the Earth to the sky.

Solution

The water cycle helps in recycling of water from the earth to the sky.
Question 5
1 / -0

Wet clothes dry faster on a

A
humid day

B
windy day

C
sunny and humid day

D
sunny and windy day

Solution

Wet clothes dry fast on a sunny and windy day.
Question 6
1 / -0

Which of the following causes wind to blow?

A
The rising up of cold air.

B
The rising up of warm air.

C
The rising up of water vapour in the air.

D
All of the above.

Solution

Due to the heat of the sun, warm air rises and cool air rushes in to take its place. This causes the wind to blow.
Question 7
1 / -0

Which of these falls in different shapes?

A
Hailstone

B
Fog

C
Dew

D
Snow flakes

Solution

If the clouds are very cold, water vapour condenses to form snowflakes of different shapes.
Question 8
1 / -0

Condensed water vapour which can be seen on the ground after a very cold night is the

A
mist

B
frost

C
fog

D
dew

Solution

On very cold nights, the dew freezes to form ice. This is called frost.
Question 9
1 / -0

On cold winter morning water vapour condenses on dust particles to form

A
hailstones

B
dew

C
frost

D
fog

Solution

On cold winter mornings water vapour condenses on dust particles to form fog.
Question 10
1 / -0

The diagram given below shows a part of the water cycle.

What is the process taking place at the arrow labelled T?

A
Melting

B
Condensation

C
Evaporation

D
Precipitation

Solution

T represents condensation.

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Weather, Water and Air Test 1

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Weather, Water and Air Test 1

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SHARING IS CARING

Question 1

hail stone

rain

frost

water

Solution

Question 2

Boiling

Evaporation

Condensation

Melting

Solution

Question 3

Oxygen and carbon dioxide

Oxygen and nitrogen

Nitrogen and carbon dioxide

Nitrogen and inert gases

Solution

Question 4

It helps in the recycling of oxygen from the Earth to the sky.

It helps in the recycling of water from the Earth to the sky.

It helps in the recycling of carbon dioxide from the Earth to the sky.

It helps in the recycling of nitrogen from the Earth to the sky.

Solution

Question 5

humid day

windy day

sunny and humid day

sunny and windy day

Solution

Question 6

The rising up of cold air.

The rising up of warm air.

The rising up of water vapour in the air.

All of the above.

Solution

Question 7

Hailstone

Fog

Dew

Snow flakes

Solution

Question 8

mist

frost

fog

dew

Solution

Question 9

hailstones

dew

frost

fog

Solution

Question 10

Melting

Condensation

Evaporation

Precipitation

Solution

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