MEDIUM
6th CBSE
IMPORTANT
Earn 100

Define expansion and contraction and give an example of each.

Important Questions on Changes Around Us

EASY
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 1
Is melting of wax reversible or irreversible change?
EASY
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 2
Change of weather can be classified as a _____ change. (slow/fast)
EASY
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 3
Give two examples of irreversible changes.
MEDIUM
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 5
Define reversible and irreversible changes with example.
EASY
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 7
Eruption of a volcano is a fast change.
EASY
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 1
Is bursting of cracker a reversible or irreversible change?
EASY
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 2
In general, on heating metals _____.
MEDIUM
6th CBSE
IMPORTANT
Science>Chapter 6 - Changes Around Us>TEST ASSIGNMENT>Q 7
Differentiate between a physical change and chemical change with examples.