EASY
7th CBSE
IMPORTANT
Earn 100

Give reasons why false ceiling keeps the room warm during winters.

Important Questions on Heat and Its Effects

EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 2
Give reasons why asbestos sheets are preferred over iron sheets for roofing.
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 3
Draw labelled diagram of a thermos flask and answer why is the air removed from space between the two walls of glass bottle?
MEDIUM
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 3
Why is the glass bottle held in a place inside the metal case with the help of cork pieces?
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 1
Explain why a clinical thermometer cannot be used to measure high temperature.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 2
A person has a white shirt and a black shirt. Which shirt will make him more comfortable in winters? Give reasons for your answer.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 2
A person has a white shirt and a black shirt. Which shirt will make him more comfortable in summers? Give reasons for your answer.
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 3
Why is water not used instead of mercury in thermometers when it is easily available to us?
EASY
7th CBSE
IMPORTANT
LEARNING SCIENCE>Chapter 4 - Heat and Its Effects>Exercise>Q 4
The fire fighting suits are always bright and shiny. Why?