MEDIUM
3rd CBSE
IMPORTANT
Earn 100

Name three luminous objects.

Important Questions on Light, Sound and Force

MEDIUM
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>Let us answer>Q C
Name three non-luminous objects.
EASY
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>Let us answer>Q C
What can we do to reduce noise?
MEDIUM
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>Let us answer>Q C
Mention three effects of force on an object.
MEDIUM
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>Let us answer>Q D
Number these sources of sound in the increasing order of sound produced.
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MEDIUM
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>HOTS questions>Q E

During a thunderstorm, Sara saw lightning first and then heard thunder. Why is it so?

(Hint: Which travels faster- light or sound?)

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MEDIUM
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>HOTS questions>Q E

Atul is cycling to meet his grandmother who lives on a hill. Atul cycles harder while going uphill. He doesn’t have to do so while returning. Why?

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EASY
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>HOTS questions>Q E

Mihir is not able to study for his test. Look at the picture carefully and say why.

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EASY
3rd CBSE
IMPORTANT
LIVING SCIENCE 3>Chapter 10 - Light, Sound and Force>Let us do>Q H
Below are listed some games. Tick the games in which we use a ball. Then write the name of the ball game in the right column.
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We throw and hit the ball    
We kick the ball