Science Vocabulary Part I

Front

a circuit where the direction of the current switches back and forth

Back

alternating current

Front

an equation relating to the electronic current passing through a closed loop to the strength of the magnetic field pointing along that loop

Back

Ampere’s law

Front

the maximum amount a wave oscillates,

a.k.a. the intensity of the wave

Back

amplitude

Front

The building block of matter; contains a nucleus with protons and neutrons, which is surrounded by electrons

Back

The atom

Front

- a device that maintains a constant voltage that allows current to keep flowing

Back

battery

Front

two oppositely charged conductors some small distance apart; used in a circuit to temporarily store charge

Back

capacitor

Front

a device that accelerates electrons and then magnetically deflects them onto different parts of a screen to create an image

Back

cathode ray tube

Front

a type of material that allows electric charge to flow freely through it; the opposite of an insulator

Back

conductor

Front

an equation describing the electric

force between objects with electric charge

Back

Coulomb’s law

Front

material inserted in a capacitor to allow the capacitor to store more charge by reducing the electric field within it

Back

dielectric