Class 7 Heat CBSE Questions & Answers

In localities where winter temperature drop below – 40 degree Celsius, the liquid in liquid-in glass thermometer must be

An increase of one Celsius degree corresponds to increase of

Within the Earth atmosphere system heat convection takes place in

In response to the same input of heat, which one of the following substance exhibits the smallest rise in temperature?

Temperature is ___________ proportional to addition of heat.

This afternoon’s high temperature was 55\(^0{\text{F}}\) and morning’s low temperature was 33\(^0{\text{F}}\). The mean day temperature was --------- \(^0{\text{F}}\).

Which of the following heat transfer takes place even in vaccum?

Which of the following is the best conductor of heat?

When two objects are in direct contact, heat always flows from

Heat of sun reaches to earth by

Which of the following is the fastest mode of heat transfer in solid

Ventilation is provided near the roof in house because

In coastal areas, during night wind moves from

At night, the ground surface is cooler than the air over the ground therefore, heat is conducted form the

In atmosphere, wind blows due to