PS Chapter 7

Question 1

buildup of extra electric charge on an object

Answer 1

static electricity

Question 2

charge can be transferred from object to object, but it can’t be created or destroyed

Answer 2

law of conservation of charge

Question 3

a material in which electrons are able to move easily

Answer 3

conductor

Question 4

a material in which electrons are NOT able to move easily

Answer 4

insulator

Question 5

process of transferring charge by touching or rubbing

Answer 5

charging by contact

Question 6

rearrangement of electrons on a neutral object caused by nearby charged objects

Answer 6

charging by induction

Question 7

static electricity

Answer 7

buildup of extra electric charge on an object

Question 8

law of conservation of charge

Answer 8

charge can be transferred from object to object, but it can’t be created or destroyed

Question 9

conductor

Answer 9

a material in which electrons are able to move easily

Question 10

insulator

Answer 10

a material in which electrons are NOT able to move easily

Question 11

charging by contact

Answer 11

process of transferring charge by touching or rubbing

Question 12

charging by induction

Answer 12

rearrangement of electrons on a neutral object caused by nearby charged objects

Question 13

a device that can detect an electric charge

Answer 13

electroscope

Question 14

when a charged object connects to the Earth through a conductor to have its charge rebalanced by getting or losing electrons

Answer 14

grounding

Question 15

static discharge

Answer 15

spark or shock

Question 16

a device to store a static charge

Answer 16

leyden jar

Question 17

electroscope

Answer 17

a device that can detect an electric charge

Question 18

grounding

Answer 18

when a charged object connects to the Earth through a conductor to transfer any excess charge between the object and the Earth

Question 19

spark or shock

Answer 19

static discharge

Question 20

leyden jar

Answer 20

a device to store a static charge

Question 21

flow of electrons through a conductor

Answer 21

electric current

Question 22

related to the force that causes electrons to flow

Answer 22

voltage difference

Question 23

a closed path that electric current flows through

Answer 23

circuit

Question 24

possible power source for a circuit

Answer 24

battery

Question 25

tendency for a material to oppose the flow of electrons (changing electrical energy into another form)

Answer 25

resistance

Question 26

unit for voltage difference

Answer 26

volts

Question 27

unit for resistance

Answer 27

ohms

Question 28

unit for current

Answer 28

amperes (or amps)

Question 29

variable for voltage difference

Answer 29

V

Question 30

variable for resistnance

Answer 30

R

Question 31

variable for current

Answer 31

I

Question 32

electric current

Answer 32

flow of electrons through a conductor

Question 33

voltage difference

Answer 33

related to the force that causes electrons to flow

Question 34

circuit

Answer 34

a closed path that electric current flows through

Question 35

battery

Answer 35

possible power source for a circuit

Question 36

resistance

Answer 36

tendency for a material to oppose the flow of electrons (changing electrical energy into another form)

Question 37

volts

Answer 37

unit for voltage difference

Question 38

ohms

Answer 38

unit for resistance

Question 39

amperes (amps)

Answer 39

unit for current

Question 40

V

Answer 40

variable for voltage difference

Question 41

R

Answer 41

variable for resistance

Question 42

I

Answer 42

variable for current

Question 43

V= I*R

Answer 43

Ohm’s Law

Question 44

a circuit with a single path for electricity to flow through

Answer 44

series circuit

Question 45

a circuit with multiple paths for electricity to flow through

Answer 45

parallel circuit

Question 46

Ohm’s Law

Answer 46

V=I*R

Question 47

series circuit

Answer 47

a circuit with a single path for electricity to flow through

Question 48

parallel circuit

Answer 48

a circuit with multiple paths for electricity to flow through