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Forms of Energy

Unit 2 Vocabulary

A circle or loop through which an electric current can flow is My. circuit
A _____________ __________ is a path through which an electric current can flow. closed circuit
The flow of electricity through a conductor is called an _______________ _____________. electric current
_______________ is the ability to do work or cause change. energy
Energy that is absorbed or delivered through an electric circuit is ________________ ____________. electrical energy
_____________ ________ is the energy related to the temperature of an object or a substance. thermal energy
A form of energy which our eyes can detect is ____________ ________________. light energy
The energy of motion is called ______________ _____________. mechanical energy
__________ ____________ is energy produced by vibrations. sound energy
Any matter that light is able to travel through is known as a ____________. medium
An _________ __________ is a path that does not allow an electric current to flow through. open circuit
A material that does not allow heat or electricity to flow through it is an _________________. insulator
A material that allows electricity and heat to flow through it is a ____________________. conductor
_____________ is the bouncing back of light rays from a surface. reflection
______________ is the bending of light as it moves through one medium and into another. refraction
A lens that is thicker in the center and thinner at the edges is a _________________ _____. convex lens
A lens that is thinner in the center and thicker at the edges is a _________________ _____. concave lens
A glass bar that separates white light into colors of the rainbow is a _________. prism
A _________ is a curved piece of glass or plastic that bends light rays. lens
A ___________ is a smooth shiny surface off which light reflects. mirror
To take in or to soak up is to ___________. absorb
A device that is placed inside a machine to supply electricity is a ________________. battery
A _____________ is a small device that starts or stops the flow of electricity when it is pressed or moved up or down. switch
Created by: Plainview 5th