Most of the ___________ energy we use comes from burning fuels like coal, kerosene and petrol.
Heat
Electrical
Sound
Hydropower
_________ means pushing or pulling an object.
Work
Force
Pulley
Lever
___________ is the most readily available source of energy.
Wind
Solar
_______ is produced when a force causes an object or a substance to vibrate.
Light
Electricity
______________energy is the energy which is possessed by an object due to its motion or due to its position.
Mechanical
Geothermal
Water
Choose the right answer _______ is the movement of electrical charges.
Electrical energy
Heat energy
Sound energy
Light energy
____________ is nature's way of transferring energy through space.
Energy can neither be created nor destroyed. Energy just changes from one form to another.This is
Law of constant composition
Law of conservation of energy
Law of equipartition
Le shatleir principle
Big screws are called
Screwjacks
Hammer
Tongs
Scissors
________ energy is heat from within the earth.