Page 61 - science book 1

Brush Up Your Learning
Brush Up Your Learning

Answer the following questions :

1. Write two properties of air.

2. What are the uses of air for man?
3. Prove that air has weight.

4. What the fast moving air is called?

One Among All Multiple Choice Questions (MCQs)
One Among All Multiple Choice Questions (MCQs)

Tick ( ) the right option :ü
1. We need __________ to breathe.

a. nitrogen b. carbon dioxide c. fresh air

2. When air moves gently, it is called __________ .

a. storm b. breeze c. wind

3. We cannot live without __________ .

a. nitrogen b. hydrogen c. air

4. Do not sleep with all the closed __________ .
a. doors b. windows c. lights

High Order Thinking Skill (HOTS)

1. There is strong wind blowing outside. Would you keep the windows
and doors of your house opened or closed ? Why ?

2. Other than nose, write down some body parts used by different living

things to breathe. Also write the respective living thing along with.

A Little Scientists : Practical Approach

Complete the following diagram :

AIR - THE PROPERTIESAIR - THE PROPERTIESAIR - THE PROPERTIES

A
Air fills up spaceAir fills up spaceir fills up space Uses of airUses of airUses of air