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Science Project

Across
The force acting on an object
The transmission of heat or electricity or sound
A current that is through a conductor and is directly across the conductor
The person who discovered the white light was Sir Isaac _____
The energy in a substance that can be released by a chemical reaction
A substance that is harmful to the environment
Prevents the transmission of heat or sound or electricity
Down
A substance that provides energy
To avoid wasting materials
Energy that is converted into thermal or electrical energy
Organisms that are preserved in rocks
Powerful effect or influence
Moving one object over another with pressure
The rate at which energy is drawn from a source