Quiz about Physical Science - Test 7 Review

Question 1

What type of charge does a proton have?

Accepted Answer

positive

Answer

negative

Answer

neutral

Answer

excited

Question 2

What type of charge does an electron have?

Accepted Answer

negative

Answer

positive

Answer

neutral

Answer

excited

Question 3

What is an atom with an equal number of positive and negative charges?

Accepted Answer

neutral

Answer

negative

Answer

positive

Answer

charged

Question 4

What are arrows that indicated how a positive test charge in the field would move?

Accepted Answer

lines of force

Answer

lines of flux

Answer

isogonic lines

Answer

isoclinic lines

Question 5

What is transferring electric charge by direct contact?

Accepted Answer

conduction

Answer

induction

Answer

deduction

Answer

electrocution

Question 6

What is the process of diverting unwanted electric charge directly into the earth?

Accepted Answer

grounding

Answer

conducting

Answer

inducting

Answer

diverting

Question 7

What is transferring electric charge without direct contact?

Accepted Answer

induction

Answer

conduction

Answer

deduction

Answer

electrocution

Question 8

What is the rate of electric charge flow?

Accepted Answer

current

Answer

voltage

Answer

power

Answer

resistance

Question 9

What are liquids that contain ions?

Accepted Answer

electrolyte

Answer

plasma

Answer

ion

Question 10

What is an atom or group of atoms that has an electric charge?

Accepted Answer

ion

Answer

electrolyte

Answer

plasma

Question 11

What is ionized gas?

Accepted Answer

plasma

Answer

electrolyte

Answer

ion

Question 12

What is electricity that only flows in one direction without reversing?

Accepted Answer

direct current

Answer

alternating current

Question 13

What is electricity that flows first in one direction and then the other?

Accepted Answer

alternating current

Answer

direct current

Question 14

What kind of electric field has equal strength throughout?

Accepted Answer

uniform field

Answer

deflecting force

Answer

magnetic field

Answer

plasma field

Question 15

What moves when charge flows through an electrolyte?

Accepted Answer

ions

Answer

molecules

Answer

lines of force

Answer

electrolytes

Question 16

What states that opposite charges attract each other but like charges repel each other?

Accepted Answer

law of electric charge

Answer

law of electric force

Answer

law of magnetic force

Answer

Ohm's law

Question 17

What states that the strength of the attraction or repulsion between two charged objects is directly related to the strength of the charges and inversely related to the square of the distance between them?

Accepted Answer

law of electric force

Answer

law of electric charge

Answer

law of magnetic force

Answer

Ohm's law

Question 18

What states that the current flowing through a conductor is directly proportional to the voltage and inversely proportional to the resistance?

Accepted Answer

Ohm's law

Answer

law of electric force

Answer

law of magnetic force

Answer

law of electric charge

Question 19

What states that unlike poles attract each other, but like poles repel each other?

Accepted Answer

law of magnetic poles

Answer

law of electric force

Answer

law of magnetic force

Answer

Ohm's law

Question 20

What states that the force between two magnetic poles is directly related to the product of the poles strengths and inversely related to the square of the distance between the poles?

Accepted Answer

law of magnetic force

Answer

law of electric force

Answer

law of magnetic poles

Answer

law of magnetic charge

Question 21

What is a simple device that uses the laws of electrostatics to detect small electric charges?

Accepted Answer

electroscope

Answer

ammeter

Answer

ohmmeter

Answer

resistor

Question 22

What is an electrical device designed to add resistance to a circuit?

Accepted Answer

resistor

Answer

compass

Answer

electroscope

Answer

ammeter

Question 23

What is a device that transforms the energy of the electric current into another useful form of energy?

Accepted Answer

load

Answer

resistor

Answer

electroscope

Answer

switch

Question 24

What is a device that opens or closes a circuit?

Accepted Answer

switch

Answer

resistor

Answer

compass

Question 25

What is a narrow strip of metal housed in a protective, insulated case?

Accepted Answer

fuse

Answer

circuit breaker

Answer

switch

Answer

electroscope

Question 26

What is an automatic switch that opens the circuit when current flowing through it exceeds a predetermined amount?

Accepted Answer

circuit breaker

Answer

fuse

Answer

switch

Answer

electroscope

Question 27

What is a navigational device consisting of a magnet free to swing horizontally so that it always points north?

Accepted Answer

compass

Answer

electroscope

Answer

magnetometer

Answer

switch

Question 28

What is the path that an electric current follows?

Accepted Answer

circuit

Answer

current

Answer

voltage

Answer

power

Question 29

What are the three parts of a simple electric current?

Accepted Answer

load

Accepted Answer

conductors

Accepted Answer

source

Answer

resistor

Question 30

What is a circuit that contains a complete path for electrons to flow through?

Accepted Answer

closed circuit

Answer

open circuit

Answer

short circuit

Answer

parallel circuit

Question 31

What is a circuit with a gap so that electrons cannot flow?

Accepted Answer

open circuit

Answer

closed circuit

Answer

short circuit

Answer

series circuit

Question 32

What occurs if electricity avoids the load?

Accepted Answer

short circuit

Answer

open circuit

Answer

closed circuit

Answer

parallel circuit

Question 33

What kind of circuit has the loads arranged so that the electric current flows through each load?

Accepted Answer

series circuit

Answer

parallel circuit

Answer

short circuit

Answer

open circuit

Question 34

What kind of circuit has the loads arranged in separate branches?

Accepted Answer

parallel circuit

Answer

series circuit

Answer

short circuit

Answer

open circuit

Question 35

What is the work per unit charge done to move electric charges?

Accepted Answer

voltage

Answer

current

Answer

power

Answer

resistance

Question 36

What is the SI unit of voltage?

Accepted Answer

volt

Answer

amp

Answer

ohm

Answer

watt

Question 37

What is the SI unit of current?

Accepted Answer

amp

Answer

volt

Answer

ohm

Answer

watt

Question 38

What is the SI unit of electric charge?

Accepted Answer

coulumb

Answer

amp

Answer

ohm

Answer

volt

Question 39

What is the product of voltage and current?

Accepted Answer

power

Answer

resistance

Answer

current

Answer

load

Question 40

What is the SI unit or power?

Accepted Answer

watt

Answer

coulumb

Answer

ohm

Answer

volt

Question 41

What are materials through which current flows easily?

Accepted Answer

conductors

Answer

insulators

Answer

semi-conductors

Answer

resistors

Question 42

What are materials through which current does not flow easily?

Accepted Answer

insulators

Answer

conductors

Answer

semi-conductors

Answer

super-conductors

Question 43

What are materials that are neither good conductors nor good insulators?

Accepted Answer

semi-conductors

Answer

insulators

Answer

conductors

Answer

resistors

Question 44

What is the amount a certain object hinders electron flow?

Accepted Answer

resistance

Answer

current

Answer

voltage

Answer

power

Question 45

What is the unit of resistance?

Accepted Answer

ohm

Answer

amp

Answer

volt

Answer

watt

Question 46

What is it called when the energy used to overcome resistance is converted into heat?

Accepted Answer

Joule heat

Answer

Ohm's heat

Answer

Curie point

Answer

load

Question 47

What is the most important factor affecting resistance?

Accepted Answer

Type of material

Answer

diameter

Answer

length

Answer

temperature

Question 48

How does the resistance change when the diameter of the conductor increases?

Accepted Answer

decreases

Answer

increases

Question 49

How does the resistance change when the length of the conductor increases

Accepted Answer

increases

Answer

decreases

Question 50

How does the resistance change when the temperature of the conductor increases?

Accepted Answer

increases

Answer

decreases

Question 51

What is a material that allows current to flow through it with no resistance at all?

Accepted Answer

super conductor

Answer

semi conductor

Answer

conductors

Answer

insulator

Question 52

What is an object capable of attracting materials by magnetic force?

Accepted Answer

magnet

Answer

compass

Answer

electroscope

Answer

fuse

Question 53

What is the region of concentrated magnetism?

Accepted Answer

pole

Answer

magnetic field

Answer

domain

Answer

lines of flux

Question 54

What are the imaginary lines that indicate the direction and strength of the magnetic field?

Accepted Answer

lines of flux

Answer

lines of force

Answer

isogonic lines

Answer

isoclinic lines

Question 55

What is the extent to which a material can absorb or channel lines of magnetic flux?

Accepted Answer

permeability

Answer

magnetically hard

Answer

declination

Answer

coercivity

Question 56

What is the most important cause of magnetism?

Accepted Answer

electron spin

Answer

temperature

Answer

location

Answer

solar wind

Question 57

What are substances with no unpaired electrons that are always repelled by a magnet?

Accepted Answer

diamagnetic

Answer

paramagnetic

Answer

ferromagnetic

Question 58

What are substances with only one unpaired electron that are weakly attracted to a magnet?

Accepted Answer

paramagnetic

Answer

diamagnetic

Answer

ferromagnetic

Question 59

What are substances with several unpaired electrons that are strongly attracted to magnets?

Accepted Answer

ferromagnetic

Answer

paramagnetic

Answer

diamagnetic

Question 60

What is a substance that can be quickly magnetized?

Accepted Answer

magnetically soft

Answer

magnetically hard

Answer

coercivity

Answer

permeability

Question 61

What is a substance that is difficult to magnetize?

Accepted Answer

magnetically hard

Answer

magnetically soft

Answer

coercivity

Answer

permeability

Question 62

What is a group of aligned atoms with a single magnetic field?

Accepted Answer

domain

Answer

poles

Answer

lines of flux

Answer

magnet

Question 63

What are the three ways to magnetize an item?

Accepted Answer

conduction

Accepted Answer

induction

Accepted Answer

electricity

Answer

convection

Question 64

What is the force in a magnetic field that causes a moving electric charge to deviate from its original path?

Accepted Answer

deflecting force

Answer

Curie point

Answer

electric force

Answer

uniform field

Physical Science - Test 7 Review

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