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i) What was Rohan’s observation?
ii) What is the purpose of his experiment?
iii) What conclusion can he draw from this investigation?

Q.8 a) What is a hypothesis?

b) Name any two steps of the scientific investigation process.

Match the following:
Q.9. Column A Column B

a) Observation i) Testing the idea

b) Hypothesis ii) Possible explanation

c) Experiment iii) Careful noticing

d) Conclusion iv) Final result

Q.10 A student claims that “Plants grow faster when music is played.”
a) Write a hypothesis for this claim.
b) Design a simple experiment to test it.
c) Why is it important to repeat experiments?

CL-VIII/SIS/ CHEMISTRY/H.A-3-CH-1
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