Chapter 7-8 Test

Question 1

Static electricity is also known as

Answer 1

Static charge

Question 2

Insulator

Answer 2

Objects that do not allow electrons to move easily through them

Question 3

Conductors

Answer 3

Allow electrons to move freely through them

Question 4

Coulomb

Answer 4

A unit of electric charge

Question 5

Van de graaff Gen

Answer 5

Creates static charge

Question 6

Lightning rods on top of buildings allow static charges to flow into earths surface is known as

Answer 6

Grounding

Question 7

Three laws of static charge

Answer 7

Repel each other
Objects with opposite charges attract
Charged attracts to neutrals

Question 8

++++-+ / +-+-+

Answer 8

Attract

Question 9

• / -

Answer 9

Repel

Question 10

• • • • / +-+-+

Answer 10

Attract

Question 11

Induction

Answer 11

When objects are charged without touching (neutral)

Question 12

Conduction

Answer 12

When objects are charged by touching

Question 13

Induction and conduction charging can be represented by an

Answer 13

Electroscope

Question 14

Electric force

Answer 14

A push or pull between objects

Question 15

Energy

Answer 15

The ability to do work

Question 16

What devices store energy?

Answer 16

Electro chemical cells and batteries

Question 17

Potential energy

Answer 17

Energy that’s stored

Question 18

Electrode

Answer 18

Battery terminal

Question 19

Electrolyte

Answer 19

Conducts electricity

Question 20

Potential difference

Answer 20

Another name for voltage

Question 21

Electric load

Answer 21

Transforms to other forms

Question 22

Current electricity

Answer 22

Continuous flow of energy

Question 23

What is electric current measured in

Answer 23

Amperes

Question 24

Current

Answer 24

The flow of electric charge in a circuit

Question 25

Voltage

Answer 25

Amount of electric potential energy per one coulomb of charge

Question 26

Resistance

Answer 26

Opposition to the flow of the current through a circuit

Question 27

Ohms law

Answer 27

Mathematical equation that related how voltage resistance and current are similar

Question 28

Resistor

Answer 28

A component that controls current or voltage

Question 29

When voltage increases

Answer 29

Current increases

Question 30

—

Answer 30

Conducting wire

Question 31

—

Answer 31

Voltmeter

Question 32

—

Answer 32

Cell if there’s more it’s a battery

Question 33

Load

Answer 33

Where the electricity goes to

Question 34

Dry cell

Answer 34

Positive terminal on top
Plastic insulater incasing the moist paste the carbon rod in the middle and the negative terminal on the bottom

Used in flashlights CD players etc

Question 35

Wet cell

Answer 35

Positive terminal on the top left negative terminal on the opposite side lead plates in the battery solution

Mainly used in cars