Heat and Temperature

IMPORTANT

Heat and Temperature: Overview

This topic covers concepts such as Heat Energy, Hot Objects, Cold Objects, Conversion of Heat to Electricity, Temperature, Comparison of Heat and Temperature, and Heat Energy and Energy Conversion.

Important Questions on Heat and Temperature

HARD
IMPORTANT

Can any energy be converted into the form of heat of energy? Give some proper examples.

MEDIUM
IMPORTANT

Explain the uses of cold objects.

EASY
IMPORTANT

Choose the cold object from the following options.

EASY
IMPORTANT

Ice is a hot object.

MEDIUM
IMPORTANT

What is the difference between hot objects and cold objects?

EASY
IMPORTANT

What you mean by cold objects? Give examples of them.

EASY
IMPORTANT

Choose the hot object from the following options.

MEDIUM
IMPORTANT

Explain the uses of hot objects.

EASY
IMPORTANT

A frying pan kept on a burning gas stove is a cold object.

EASY
IMPORTANT

What you mean by hot objects? Give examples of them.

EASY
IMPORTANT

A temperature at which liquid changes into vapour is known as boiling point.

EASY
IMPORTANT

Heat is not a substance or matter instead it is a form of _____.

EASY
IMPORTANT

Heat is not a substance or matter instead it is a form of energy.

EASY
IMPORTANT

Heat is not matter instead it is

EASY
IMPORTANT

Answer in one word.(complete this E_e_g_)
What is heat?

EASY
IMPORTANT

An electric heater converts electrical energy into sound energy.

EASY
IMPORTANT

_____ is a form of energy which flows from a body at a higher temperature to a body at a lower temperature.

MEDIUM
IMPORTANT

What is the measure of average kinetic energy of molecules?

EASY
IMPORTANT

The electric heaters convert solar energy into heat energy.

EASY
IMPORTANT

In solar heaters, solar energy is converted into heat energy.