ENERGY Topic

Energy

The ability to do work or cause change

Energy transformation

a change of energy from one form to another

Kinetic energy

the energy an object has due to its motion (movement)

Gravitational potential energy

This is the energy in an object when it is lifted upwards (against the force of GRAVITY)

E.g. Lifting a ball straight up before it is dropped to the ground.

Chemical energy

Energy stored in chemical bonds

Thermal energy

Heat energy

Potential energy

Energy that is stored and held in readiness

Energy efficiency

The percentage of energy put into a system that does useful work

Insulator

A material that does not conduct heat well

Conductor

A material that conducts heat well

Convection

The movement of heat energy by the circulation or movement of a liquid or gas

Radiation

Energy that is radiated or transmitted in the form of rays or waves or particles.

Non - renewable energy resource

a source of energy that could eventually be used up

Fossil fuel

Coal, oil, natural gas, and other fuels that are ancient remains of plants and animals.

Renewable energy resource

a source of energy that can be replaced as it is used or that cannot be used up

Solar energy

energy from the sun

Geothermal energy resource

Energy (such as electricity or heat) made using the energy from the hot magma under the crust of the Earth

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