Air pressure in car tyre increases during driving explain.

Why will a watermelon stay cool for a longer time than sandwiches when both are removed from a cooler on a hot day?

Does a substance that heats up quickly have a high or a low specific heat capacity?

Why does a metal bar appear hotter than a wooden bar at the same temperature? Equivalently it also appears cooler than wooden bar if they are both colder than room temperature.

How to establish the thermal equilibrium?

Explain about Linear expansion with a suitable diagram.

Explain about Superficial expansion.

Explain about Real and apparent expansion.

Explain about the Gases.

Explain the different types of expansion in solids.

What is meant by heat energy? What are the characteristics features of heat energy transfer?

Explain three fundamental law of gases.