HARD
6th CBSE
IMPORTANT
Earn 100

Explain why tearing of paper is a physical change, whereas burning of paper is a chemical change.

Important Questions on Changes Around Us

MEDIUM
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 3
Give an example of expansion each in solid, liquid, and gas.
MEDIUM
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 4
Give an example of contraction each in solid, liquid, and gas.
HARD
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 5
Give three applications of expansion and contraction of materials.
MEDIUM
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>LET'S RECALL

Recall and complete the concept map given below.

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MEDIUM
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 1
Why do water pipes usually crack in winter?
MEDIUM
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 2
A potter gives clay the shape of pots. He bakes these pots in an oven. Can the potter get back the raw clay? Give reasons for your answer.
HARD
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 1
A change can be desirable and undesirable at the same time. How?
MEDIUM
6th CBSE
IMPORTANT
New Science In Everyday Life>Chapter 6 - Changes Around Us>Exercises>Q 2
A large number of changes are a major cause of pollution. How?