Login
Home
TOP
Send feedback
Login
Subjects
Physics CBSE Live product
Class 7 (2026-27)
Changes around us: Physical and Chemical
Physical Changes
8.
Identify whether the given change is physical or not
Question:
5
m.
Classify the following changes as physical changes or not physical changes and identify the correct reason.
Situation
Physical Change or Not?
Reason
Breaking chalk
Physical Change
Not a Physical Change
Colour changes completely
It starts burning
Smell is produced
Only size and shape change; no new substance is formed.
Burning paper
Not a physical change
Physical change
Only size changes
New substances like ash and smoke are formed.
Only shape changes
Water is formed only
Melting butter
Not a Physical Change
Physical Change
Colour changes only
Shape becomes permanent
Only the state changes from solid to liquid.
New butter is formed
Rusting nail
Not a Physical Change
Physical Change
A new substance called rust is formed.
Only state changes
Only size changes
Water freezes on nail
Freezing juice
Physical Change
Not a Physical Change
Juice smell changes only
Juice burns
Juice becomes metal
The liquid changes into solid without forming a new substance.
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!
