Question

Chapter- Heat
Define the following-
a) Expansion in solids
b) Expansion in liquids
c) Expansion in gases
Please help me as I am making q concept map.​

Answer 1

Answer:

All three states of matter expand when heated. The atom themselves do not expand but the volume they take up does.

Answer 2

a) When a solid is heated, its atoms vibrate faster about their fixed points.

b) When heated, its volume increases. Increase in volume is called cubical expansion.

c) A gas expands when heated and condenses when cooled.