# General Science-Air and Water [NSTSE (National Science Talent Search Exam- Unified Council) Class 3]: Questions 1 - 7 of 54

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### Passage

A student measured rainfall during a week using a rain gauge. The following table shows the measurements.

 Day Rainfall Sunday 1.5 cm Monday 2 cm Tuesday Nil Wednesday Nil Thursday 3 cm Friday 8 cm Saturday 5 cm

## Question 1 (1 of 1 Based on Passage)

Air and Water

### Question

MCQ▾

What is the total rainfall during the week?

### Choices

Choice (4)Response

a.

19.5 cm

b.

16 cm

c.

Nil

d.

8 cm

## Question 2

Air and Water

### Question

MCQ▾

Madhuri kept some water in a refrigerator and after some time the water changed into ice. What is this process called?

### Choices

Choice (4)Response

a.

Freezing

b.

Evaporation

c.

Boiling

d.

Condensation

### Passage

A student measured rainfall during a week using a rain gauge. The following table shows the measurements.

 Day Rainfall Sunday 1.5 cm Monday 2 cm Tuesday Nil Wednesday Nil Thursday 3 cm Friday 8 cm Saturday 5 cm

## Question 3 (1 of 1 Based on Passage)

Air and Water

### Question

MCQ▾

On which day did it rain the most?

### Choices

Choice (4)Response

a.

Sunday

b.

Friday

c.

Tuesday

d.

Wednesday

## Question 4

Air and Water

### Question

MCQ▾

If we heat water in a pot on a stove, water changes into water vapor. Now, if we hold a steel plate against the steam, we can see small drops of water on the plate. This formation of small drops of water on the plate is due to:

### Choices

Choice (4)Response

a.

Melting

b.

Evaporation

c.

Freezing

d.

Condensation

## Question 5

Air and Water

MCQ▾

Condensation is:

### Choices

Choice (4)Response

a.

Changing water vapour into water by cooling

b.

Changing ice into water by heating

c.

Changing water into ice by cooling

d.

Changing water into ice by heating

## Question 6

Air and Water

### Question

MCQ▾

Water can be found in:

### Choices

Choice (4)Response

a.

Solid

b.

Gas

c.

Liquid

d.

All a., b. and c. are correct

## Question 7

Air and Water

MCQ▾

Evaporation is:

### Choices

Choice (4)Response

a.

Changing ice into water vapour by heating

b.

Changing ice into water by heating

c.

Changing water into ice by cooling

d.

Changing water into water vapour by heating

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