Module 3 Test

Question 1

Magnet

Answer 1

An object that attracts iron and other materials that have magnetic qualities similar to iron

Question 2

Magnetic force

Answer 2

A force of attraction or repulsion created by a magnet

Question 3

Magnetic pole

Answer 3

The place on a magnet where the force it exerts is strongest

Question 4

Magnetic potential energy

Answer 4

Stored energy due to interactions of magnetic poles in a magnet field

Question 5

Magnetic Domain

Answer 5

Region in a magnetic material in which the magnetic fields of the atoms all point in the same direction.

Question 6

Electric field

Answer 6

The invisible region around a charged object where an electric force is applied

Question 7

Electric potential energy

Answer 7

The stored energy due to the interactions of charges in an electric field

Question 8

Electrically charged

Answer 8

The condition of having an unbalanced amount of positive charge or negative charge

Question 9

Induction

Answer 9

Charging an object without touching it

Question 10

Electric insulator

Answer 10

A materiel through which electrons cannot easily move

Question 11

Electric conductor

Answer 11

A materiel through which electrons easily move

Question 12

Conduction

Answer 12

The transfer of charged particles between 2 conductors

Question 13

Closed circuit

Answer 13

Circuit is complete and electric energy flows through the circuit

Question 14

Open circuit

Answer 14

A circuit that is not complete and no electric energy flows through the circuit

Question 15

Electric current

Answer 15

The movement of electrically charged particles

Question 16

Voltage

Answer 16

The electrical potential energy difference per charge between two places on an electric circuit

Question 17

Electromagnet

Answer 17

A magnet created by wrapping a current-carrying wire around a ferromagnetic core

Question 18

Electric motor

Answer 18

A device that uses a magnetic field to transform mechanical energy to electric energy

Question 19

Electric motor

Answer 19

A

Question 20

Electric generator

Answer 20

A device that uses a magnetic field to transform mechanical energy to electric energy.

Question 21

Direct current

Answer 21

An electric current that continually flows in a regular pattern

Question 22

Alternating current

Answer 22

An electric current that changes direction in a regular pattern

Question 23

Electromagnetism

Answer 23

The interactions between electric charges and magnets