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Types of Energy

Unit 8 Vocabulary

TermDefinition
Mechanical Energy Energy produced by a machine or moving part
Light Energy Radiant energy that our eyes can see from the visible part of the electromagnetic spectrum
Sound Energy Energy produced from vibration that you can hear
Electromagnetism Magnetism created by an electric current; examples are MRI and electric motor
Reflection Energy waves bouncing off the surface of an object (mirrors or echoes return energy back to their source)
Refraction Energy waves that bend (change direction and speed) as they pass from one type of object to another type
Lens A clear piece of curved glass or plastic that bends passing light to focus or spread the light rays
Prism An object made of clear plastic or glass that bends light rays
Illuminate To light up
Flow of Energy Energy that moves or travels smoothly in a certain direction
Absorb To take in
Transmit To pass or cause to pass through space or a material
Opaque Material that blocks or absorbs the light
Translucent Material that scatters light as it passes through
Transparent Material that allows light to pass through easily
Energy What is needed to do work or cause change
Electrical Energy Energy produced by the movement of electrons
Electrical Current The flow of electricity around a circuit
Electrical Circuit The pathway through which electrical current flows
Conductor Material that allows electric current to flow through easily
Insulator Material that slows down or stops electric current from flowing
Magnify Increase in size, power or importance
Thermal Energy Energy that causes a transfer of heat between materials
Created by: jchapates