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Lessons 2-9 test

Science test

Energy The ability to do work
Electrical Energy Energy caused by the movement of electrons.
Chemical Energy Potential energy stored in chemical bonds
Electrode Cathode and Anode. Part of a battery
Cathode Positively charged electrode. Accepts electrons
Anode Negative electrode. Gives electrons
Battery A device that converts chemical energy to electrical energy
Electrolyte A conductive substance it allows electrons to pass through it. Part of a battery
Dry Cell Battery A battery that uses a dry electrolyte
Wet Cell Battery A battery containing liquid electrolyte
Mass The amount of matter in an object
Surface Area The measurement of the outer surface of an object
Force A push or pull on an object
Hooke's Law The stretching or compressing of a spring is equal to the amount of force applied to it
Weight A measure of the force of gravity on an object
Power A measurement of the rate of doing work per second
Friction A force that opposes motion between two surfaces that are in contact
Work When a force acts on an object and moves it some distance
Created by: Seonas22