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class-4-Science-Weather

class-4-Science-Weather -1

1 / 20

Which of the following weather conditions causes the most deaths?

2 / 20

What causes changes in weather?

3 / 20

What is water cycle?

4 / 20

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

5 / 20

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

6 / 20

Changes in weather are the interaction of:

7 / 20

Global warming may be caused by:

8 / 20

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

9 / 20

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

10 / 20

The rate of evaporation of water is slower when:

11 / 20

What is a cloud made of?

12 / 20

As surface currents move,

13 / 20

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

14 / 20

Which of the following decreases as elevation increases?

15 / 20

The short-term state of the atmosphere is called:

16 / 20

7Changes in weather are caused by the interaction of:

17 / 20

Which of the following statements is NOT true about winds?

18 / 20

Earth's natural heating process is called

19 / 20

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

20 / 20

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

class-4-Science-Weather -2

1 / 15

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

2 / 15

Land breeze blows during:

3 / 15

At higher elevations,

4 / 15

The amount of bleaching powder for purifying water should be:

5 / 15

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

6 / 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:

7 / 15

Bleaching powder helps in clearing water by acting on:

8 / 15

Seasons are caused by:

9 / 15

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

10 / 15

Evaporation increases with:

11 / 15

In the process of boiling:

12 / 15

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

13 / 15

Humidity is:

14 / 15

The distance north or south from the equator is called

15 / 15

One reason for global warming may be:

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