Most of the ___________ energy we use comes from burning fuels like coal, kerosene and petrol.

Energy can neither be created nor destroyed. Energy just changes from one form to another.This is

______________ energy is a renewable energy source.

______ is the ability to do work.

___________ is a vibration transmitted through a solid, liquid or gas.

A wheel with a rod attached to it is known as ______ arrangement.

Choose the right answer _______ is the movement of electrical charges.

A stretched bow possesses mechanical energy due to its stretched position.

______________energy is the energy which is possessed by an object due to its motion or due to its position.

 _____________ is a simple machine used to hold things tightly together.