EASY
3rd CBSE
IMPORTANT
Earn 100

What is a luminous object?

Important Questions on Light, Sound and Force

MEDIUM
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q D
What do you mean by noise?
MEDIUM
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q D
Explain the way force can change the shape of an object.
MEDIUM
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q D
Define shadow. How does the length of the shadow change?
MEDIUM
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q E
The moon shines at night, but it is a nonluminous object. Why?
EASY
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q E
We should not make a noise but speak softly. Why?
MEDIUM
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q F

In the given word search, find at least eight terms that you have studied in this lesson.

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MEDIUM
3rd CBSE
IMPORTANT
Science Booster Class 3>Chapter 13 - Light, Sound and Force>PRACTICE TIME>Q G
When we pull a rubber band, it gets stretched. Why?