Science Ch 7 Voc

Question 1

The accumulation of excess electric charge on an object

Answer 1

Static electricity

Question 2

States that charge can be transferred from one object to another but can’t be created or destroyed

Answer 2

Law of conservation of charge

Question 3

Material such as copper wire in which electrons can move easily

Answer 3

Conductor

Question 4

Material in which heat flows slowly

Answer 4

Insulator

Question 5

Process of transferring charge between objects by touching or rubbing

Answer 5

Charging by contact

Question 6

Process of rearranging electrons on a neutral object by bringing a charged object close to it

Answer 6

Charging by induction

Question 7

The net movement of electric charges in a single direction

Answer 7

Electric current

Question 8

Related to the force that causes electric charges to flow

Answer 8

Voltage difference

Question 9

Closed conducting loop through which an electric surrender can flow

Answer 9

Circuit

Question 10

Tendency for a material to oppose electric flow

Answer 10

Resistance

Question 11

States that the current in a circuit equals the voltage difference divided by the resistance

Answer 11

Ohm’s Law

Question 12

Circuit in which electric current has only one path to flow

Answer 12

Series circuit

Question 13

Circuit in which electric current has more than one path to follow

Answer 13

Parallel circuit

Question 14

Rate at which electrical energy is converted to another form of energy

Answer 14

Electrical power