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class-4-Science-Weather

class-4-Science-Weather -1

1 / 20

Which of the following is the cause of the change of seasons?

2 / 20

Global warming may be caused by:

3 / 20

Changes in weather are the interaction of:

4 / 20

The short-term state of the atmosphere is called:

5 / 20

7Changes in weather are caused by the interaction of:

6 / 20

What is water cycle?

7 / 20

What is a cloud made of?

8 / 20

What causes changes in weather?

9 / 20

Which of the following statements is NOT true about winds?

10 / 20

Earth's natural heating process is called

11 / 20

As surface currents move,

12 / 20

The rate of evaporation of water is slower when:

13 / 20

The sun's energy causes water to change states through:

14 / 20

What happens when the rate of evaporation equals the rate of condensation?

15 / 20

What do scientists use to express the amount of water vapour in the air?

16 / 20

When droplets in a cloud reach a certain size, they:

17 / 20

Which of the following weather conditions causes the most deaths?

18 / 20

Which of the following decreases as elevation increases?

19 / 20

Which of the following is NOT true of an ice age?

20 / 20

When temperatures fall below 0°C, what forms in a cloud?

class-4-Science-Weather -2

1 / 15

Evaporation increases with:

2 / 15

In the process of boiling:

3 / 15

Anaya carried out an experiment. She poured 200 ml of water into each of the three containers shown below. She put the containers under the sun and recorded the time taken for the water to evaporate completely from each container.

The aim of the experiment was:

4 / 15

Water is safe for human consumption only when it is free from:

5 / 15

Seasons are caused by:

6 / 15

Humidity is:

7 / 15

At higher elevations,

8 / 15

The amount of bleaching powder for purifying water should be:

9 / 15

Stream-like movements of water that have a large effect on an area's climate are:

10 / 15

When air is nearly saturated and temperature drops, what is reached?

11 / 15

One reason for global warming may be:

12 / 15

The distance north or south from the equator is called

13 / 15

Bleaching powder helps in clearing water by acting on:

14 / 15

Land breeze blows during:

15 / 15

Washing clothes near a water source is harmful because the dirt and soap released:

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