Physical and Chemical Changes Sample Questions for Class 7
Question 1
is the process that causes a liquid or gas to pass through the wall of a living cell.
A. Turgor pressure
B. Filtering
C. Osmosis
D. Digestion
Question 2
A is a material through which thermal energy does not flow easily.
A. thermal energy
B. thermal conductor
C. thermal insulator
D. temperature
Question 3
Which choice is associated with mass?
A. It never changes
B. Changes as gravity changes
C. Measured on spring scale
Question 4
A physical change involves energy and matter.
A. True
B. False
Question 5
An activity or experiment repeated by the same person is an example of
A. reliability.
B. redundancy.
C. replication.
D. repetition.