MEDIUM
7th CBSE
IMPORTANT
Earn 100

Why is a frying pan made of metal (like aluminium or stainless steel) but the handle of frying pan is made of plastic (or wood)?

Important Questions on Heat

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 32
Why are cooking utensils provided with handles made of plastic (or wood)?
MEDIUM
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 33
Explain why a laboratory thermometer is not suitable for measuring human body temperature.
HARD
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 34
Why does the mercury level not fall on its own when the bulb of a clinical thermometer is removed from the mouth?
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 35
Define conduction. Give one example where heat is transferred by the process of conduction.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 36
What is meant by good conductors of heat? Give examples of two materials which are good conductors of heat.
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 37
What is meant by poor conductors of heat (or insulators of heat)? Give two examples of materials which are poor conductors of heat (or insulators).
EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 38

Classify the following materials into good conductors of heat and poor conductors of heat (or insulators):

Wood, Plastic, Copper, Air, Paper, Glass, Stainless steel, Aluminium, Thermocol, Rubber.

EASY
7th CBSE
IMPORTANT
AWARENESS SCIENCE for Seventh Class>Chapter 4 - Heat>Short Answer Type Questions>Q 39

Name the three ways in which heat is transferred. Which is the most important in:

Solids