When an object is heated, the molecules that make up the object

The unit of heat is

One litre of water at 30^o C is mixed with one litre of water at 50^o C. The temperature of the mixture will be

Heat flows from a ____________ body to a ____________ body.

The hotness of the object is determined by its_________.

The SI unit of temperature is ________.

Heat is a kind of energy that flows from a hot body to a cold body.

Steam is formed when heat is released from water.

Thermal expansion is always a nuisance.

Make a list of electrical equipments at home which we get heat from.

What is temperature?

What difference do you think heating the solid will make in their molecules ?

Distinguish between heat and temperature.

Explain thermal expansion with suitable examples.

When a window is accidentally left open on a winter night, will you feel uncomfortable because the cold is getting in, or because the heat is escaping from the room?