MEDIUM
7th CBSE
IMPORTANT
Earn 100

Define conduction and give one example to show heat transfer by conduction.

Important Questions on Heat and Its Effects

MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 3
Define radiation. Give one example to show heat transfer by radiation.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 4
What is the sea breeze? How is it set up?
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 5
Why is mercury used in thermometers?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 6
Convert 77℉ into degree celsius.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 1
Give two similarities and two differences between a laboratory and a clinical thermometer.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 2
What is meant by bad conductors of heat? Give examples of two materials which are bad conductors of heat.
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 3
Draw a labelled diagram to show transfer of heat by convection, when water taken in a flask is heated.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 4
How is radiation different from conduction and convection for transfer of heat?