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

An iron ball at 50°C is dropped in a mug containing water at 50^o C. The heat will

The hotness of the object is determined by its_________.

The SI unit of temperature is ________.

Solids_________ on heating and______ on cooling.

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

Thermal expansion is always a nuisance.

Borosilicate glass do not expand much on being heated.

The unit of heat and temperature are the same.

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.

If you heat a circular disk with a hole, what change do you expect in the diameter of the hole? Remember that the effect of heating increases the separation between any pair of particles.