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Energy

the ability to do work or cause change in matter.

Energy Transfer

movement of energy from one place to another.

Electrical Circuit

a closed-looped path of wire through which an electrical current flows.

Electrical Current

the movement of a charge or the flow of electrons in a piece of matter that conducts electricity.

Insulators

matter that does not conduct heat very well.

Radiation

the process of transferring heat from light waves

Light

radiation that we can see.

Reflection

the bouncing of heat or light off of an object.

Refraction

the bending of light as it moves from one material to

Heat

the energy moving particles have.

Resource

any material that can be used to satisfy a need.

Natural resources

a resource found in nature such as plants, animals, air, soil, water, minerals, and fossil fuels.

Nonrenewable resources

a resource that cannot be replaced once it is used up or that would take millions of years to replace.

Renewable resources

a resource that we won't run out of or that can be replaced in our lifetime.

Conservation

the use of less of something to make a supply last longer.

Pollution

anything that dirties or harms the environment

Kinetic energy

the energy an object gains by moving.

Potential Energy

the energy of position or stored energy.

Conduction

the transfer of heat between objects that are touching.

Convection

the transfer of heat by a moving liquid or gas.

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