Chapter 8: 8Th Grade Vocabulary

Front 1

The properties and interactions of magnets

Back 1

Magnetism

Front 2

Region where a magnet's magnetic force is strongest; like poles repel and opposite poles attract

Back 2

Magnetic Pole

Front 3

Group of atoms having aligned magnetic poles

Back 3

Magnetic Domain

Front 4

A temporary magnet made by placing a piece of iron inside a current-carrying coil of wire

Back 4

Electromagnet

Front 5

Devices that use an electromagnet to measure electric current

Back 5

Galvanometer

Front 6

A device that changes electrical energy into mechanical energy

Back 6

Electric Motor

Front 7

Process in which electric current is produced by moving a wire loop through a magnetic field or by moving a magnet through a loop of wire

Back 7

Electromagnetic Induction

Front 8

Device that converts mechanical energy to electrical energy by rotating a wire coil through the magnetic field of a permanent magnet

Back 8

Generator

Front 9

Large wheel that rotates when pushed by steam, wind, or water and that provides mechanical energy to a generator

Back 9

Turbine

Front 10

Electric current that flows through a wire in only one direction

Back 10

Direct Current

Front 11

Electric current that reverses its direction regularly and is used to run appliances

Back 11

Alternating Current

Front 12

Device that increases or decreases alternating current generated by a power plant so that it can enter homes safely

Back 12

Transformer

Front 13

The properties and interactions of magnets

Back 13

Magnetism

Front 14

Region where a magnet's magnetic force is strongest; like poles repel and opposite poles attract

Back 14

Magnetic Pole

Front 15

Group of atoms having aligned magnetic poles

Back 15

Magnetic Domain

Front 16

A temporary magnet made by placing a piece of iron inside a current-carrying coil of wire

Back 16

Electromagnet

Front 17

Devices that use an electromagnet to measure electric current

Back 17

Galvanometer

Front 18

A device that changes electrical energy into mechanical energy

Back 18

Electric Motor

Front 19

Process in which electric current is produced by moving a wire loop through a magnetic field or by moving a magnet through a loop of wire

Back 19

Electromagnetic Induction

Front 20

Device that converts mechanical energy to electrical energy by rotating a wire coil through the magnetic field of a permanent magnet

Back 20

Generator

Front 21

Large wheel that rotates when pushed by steam, wind, or water and that provides mechanical energy to a generator

Back 21

Turbine

Front 22

Electric current that flows through a wire in only one direction

Back 22

Direct Current

Front 23

Electric current that reverses its direction regularly and is used to run appliances

Back 23

Alternating Current

Front 24

Device that increases or decreases alternating current generated by a power plant so that it can enter homes safely

Back 24

Transformer