EASY
7th ICSE
IMPORTANT
Earn 100

Name a liquid which is a good conductor of heat.

Important Questions on Heat

EASY
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 33
Name a solid which is a good conductor of heat.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 34
Select good and bad conductors of heat from the following:
copper, mercury, wood, iron, air, saw-dust, cardboard, silver, plastic, wool.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 35
Why is an oven made of double walls with the space in between filled with cork ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 36
Why do we use cooking utensils made up of copper.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 37
Why is a tea kettle provided with an ebonite handle ?
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 38
In summer, ice is kept wrapped in a gunny bag. Explain the reason.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 39
Explain why we wear woollen clothes in winter.
MEDIUM
7th ICSE
IMPORTANT
Concise PHYSICS Middle School 7>Chapter 5 - Heat>TEST YOURSELF>Q 39
Explain why the water pipes are covered with cotton during very cold weather.