MEDIUM
7th CBSE
IMPORTANT
Earn 100

Give two important effects of heat.

Important Questions on Heat and its Effects

MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 2
Why do electric wires sag between poles on a hot day?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 3
Why are liquids used in a thermometer?
MEDIUM
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 4
Name three commonly used scales to measure temperature.
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 5
Under what conditions is it better to use alcohol instead of mercury in a thermometer?
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 1
Discuss the effects of heat.
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 2
How is a smaller metal rim fixed on a bigger wooden wheel?
HARD
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 3
Describe an experiment to show that solids expand on heating.
EASY
7th CBSE
IMPORTANT
New Science Ahead>Chapter 4 - Heat and its Effects>Exercises>Q 4

Why are gaps left between lengths of railway tracks?