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Electricity and Magnetism
Lewis and Clark
36
Science
8th Grade
03/13/2014

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Cards

Term

Static electricity is               .


A.) Electronic charges flowing in no particular direction.

B.) The flowing of protons from positive to negative.

C.) The diffusion of electrons from an area of high concentration to low concentration.

D.) None of the above

 

Definition
A.) Electronic charges flowing in no paarticular direction.
Term

In static electricity,                  are the only particle that moves.

A.) Protons

B.) Electrons

C.) Neutrons

D.) Leptons

Definition
B.) Electrons
Term

True or False: Charged objects lose their charge when grounded.

A.) True

B.) False

Definition
A.) True
Term

Static electricity is generated through                    .

A.) Currents

B.) Motion

C.) Turbines

D.) Friction

Definition
D.) Friction
Term

Electrons that are transferred from one object to another are stored on the                 of an object.

A.)  Interior

B.) Proruptions 

C.) Surface

D.) Circuits

Definition
C.) Surface
Term

True or false: Examples of insulators include rubber, plastic, glass, pitch, and or metal.

A.) True

B.) False

Definition
B.) False
Term

True or False: Most matter is electrically neutral.

A.) True

B.) False

Definition
A.) True
Term

Determine the charge of an object that has 3.62 x 1012 more protons than electrons (the charge of a proton is 1.9 x 10-19 ).

A.) +5.8 x 10-7 C

B.) +4.0 x 10-8 C

C.) -5.8 x 1012 C

D.) +3.62 x 1012 C

Definition
A.) +5.8 x 10-7 C
Term

A conductor differs from an insulator in that a conductor ________.

A.) Has an excess of protons 

B.) Has an excess of electrons 

C.) Can become charged and an insulator cannot

D.) None of the above

Definition
D.) None of the above
Term

A plastic strip is rubbed with cotton and becomes positively charged. The correct explanation for why the plastic strip becomes positively charged is that ______________.

A.)The plastic strip acquired extra protons from cotton.

B.)The plastic strip acqired extra protons from the charging process.

C.) Protons were created as the result of the charging process

D.) The plastic strip lost electrons to the cotton during the charging process.

Definition
D.) The plastic strip lost electrons to the cotton during the charging process.
Term

Which statement best explains why a rubber rod becomes negatively charged when rubbed with fur?

A.) The rubber that the rod is made of is a better insulator than fur.

B.) The fur is a better insulator than the rubber

C.) Molecules in the rubber rod have a stronger attraction for electrons than the molecules in the fur.

D.) Molecules in the fur have a stronger attraction for electrons than the molecules in the rubber rod.

Definition
C.) Molecules in the rubber rod have a stronger attraction for electrons than the molecules in the fur.
Term

A neutral metal sphere is touched by a negatively charged metal rod. During the process, electrons are transferred from the ______ to the ________ and the sphere acquires a __________ charge.

A.) Neutral sphere, Charge rod, Negative

B.) Neutral sphere, Charge rod, positive

C.) Charged rod, Neutral sphere, Negative

D.) Charged rod, Neutral sphere, positive

Definition
C.) Charged rod, Neutral sphere, Negative
Term

After static electricity has been built up on an object via interactions with another object, the electricity can be stored by doing which if the following?

A.) Converting it into kinetic energy

B.) It cannot be stored 

C.) Transferring it to a new object

D.) Leaving the object alone

Definition
D.) Leaving the object alone
Term

The best method to dectect static electricity involves th use of a(n) ___________.

A.) Electrocope

B.) Voltage meter

C.) Amplifier

D.) Static meter

Definition
A.) Electroscope
Term

When an electroscope detects a large charge, it leaves ___________.

A.) Contract and move togther

B.) Separate and flare out 

C.) Remain constant

D.) Wave back and forth

Definition
B.) Separate and flare out
Term

A _________ detects the motion of electrons.

A.) Voltage meter

B.) Static meter

C.) elctroscope

D.) Galvanometer

Definition
D.) Galvanometer
Term

A _________ is an energy storage device that provides constant potential difference between two locations, called terminals.

A.) Generator 

B.) Capacitor

C.) Fuse

D.) Battery

Definition
D.) Battery
Term

A battery utilizes ________ reactions to produce electric energy.

A.) Chemical

B.) Oxidative

C.) Phosphorylative

D.) Combustion

Definition
A.) Chemical
Term

A ________________________ is a device that converts some means of mechanical energy into electrical energy means of chemical energy.

A.) Capacitor 

B. Generator

C.) Battery

D.) motor

Definition
B.) Generator
Term

The unit for measuring the current (rate of flow) is the ________

A.)Joule

B.) Coulomb

C.) Amp

D.) Volt

Definition
C.) Amp
Term

The potential for energy to move; equivalent to water pressure.

A.) Voltage

B.)Watt

C.) Joule

D.) Faraday

Definition
A.) Voltage
Term

A _______________ is simply a measure to power.

A.) Watt

B.) Farada

C.) Joule

D.) Coulomb

Definition
A.) Watt
Term

The unidirectional flow or movement of electric charge carriers (electrons).

A.) Alternating Current (AC)

B.) Direct current (DC)

C.) Sporaic current (SC) 

D.) Functional current (FC)

Definition
B.) Direct current (DC)
Term

A type of current in which charge carries (electrons) periodically reverse their direction of movement. 

A.) Alternating current (AC)

B.)Direct current (DC)

C.) Sporadic current (SC)

D.) Functional current (FC)

Definition
A.) Alternating Current (AC)
Term

True or False: Alternating current is the most common form for transmitting electricity, and is generated at a power station by rotating a wire inside a large magnet.

A.) True 

B.)False

Definition
A.) True
Term

Direct current is a very useful in powering small things. The most commmon source of direct current are _________. 

A.) Motors

B.) Generators

C.) Batteries

D.) Circuits

Definition
C.) Batteries
Term

Unlike generators which kinetic energy into electrical energy, ___________ convert electrical energy into kinetic energy.

A.) Batteries

B.) motors

C.) Turbines

D.) Alternators

Definition
B.) Motors
Term

The best way to measure electrical force is through the use of a(n) _______.

A.) Ammeter

B.) Ohmmeter

C.) Wattmeter

D.) Voltmeter

Definition
D.) Voltmeter
Term

___________ demonstrated the electrical basis of nerve impules when made frog muscles twich by jolting them with a spark from an electrostatic machine.

A.) Volta

B.) Ampere

C.) Galvani

D.) Siemens

Definition
C.) Galvani
Term

True or False: The Voltaic pile was the first battery to produce a reliable steady current of electricity.

A.) True

B.) False

Definition
A.) True
Term

True or False: The electricity responsible for the stimulation of muscle fibers was originally termed " animal electricity."

A.) True

B.) False

Definition
A.) True
Term

_________ designed the first batter, the voltic pile, and experiment with atmospheric electricity by igniting static sparks.

A.) Galvani

B.) Ohm

C.) Volta

D.) Ampere

Definition
C.) Volta
Term

The voltaic pile consisted of alternating discs of _____ and ______ with pieces of cardboard soaked in brine between the metals.

A.) Copper, Aluminum

B.) Nickel, Copper

C.) Brass, Steel

D.) Zinc, Copper

Definition
D.) Zinc, Copper
Term

__________ theoretically and mathematically explained the connection between electricity and magetism, ultimately laying the foundation for the science of electromagnetism.

A.) Volta

B.) Ampere

C.) Joule

D.) Hertz 

Definition
B.) Ampere
Term

The law that relates the net magnetic field along a closed loop to the electric current passing through the loop is known as _______.

A.) Coulomb's Law

B.) Volta's Law

C.) Ampere's Law

D.) Hertz's Law

Definition
C.) Ampere's Law
Term

__________ proved that electricity can be transmitted in electromagnetic waves.

A.) Joule

B.) Hertz

C.) Ampere

D.) Volta

 

Definition
B.) Hertz
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