EASY
7th CBSE
IMPORTANT
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A thermometer is used to measure our body temperature.

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Important Questions on Heat and Its Effects

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q E

All _____ are good conductors of heat.

MEDIUM
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q E
Chimneys work on the principle of _____.
(Choose from radiation waves, conduction vibrations or convection currents).
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q E

Shiny and _____ surfaces are better reflectors. (Choose from given options : polished/unpolished)

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q E
The lower fixed point is  _____ °C in a clinical thermometer.
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q F

What is the usual temperature range of a laboratory thermometer?

EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q F
What are the two conditions necessary for the conduction of heat?
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q F
How does the heat from the sun reach the earth?
EASY
7th CBSE
IMPORTANT
Exploring Science BASED ON THE LATEST NCF GUIDELINES 7>Chapter 4 - Heat and Its Effects>Exercise>Q F
What is the SI unit of temperature?