Science Electricity

Front 1

light bulbs filmats are _______

Back 1

resistors

Front 2

if one bulb burns out and it doesnt affect the other bulb it is a _______

Back 2

paralell circuit

Front 3

wiring that carries 115-120 _____
of electricity

Back 3

bolts

Front 4

the formula to find out how much current flows through a given part of a circuit in one second is watts divided by volts = _______

Back 4

amps.

Front 5

the size of the core, the _____ of the core, the number of coils, and the distance between the poles affects the strength of an electromagnet.

Back 5

shape

Front 6

a(n) _____ is a very small circuit with all of its parts built into it

Back 6

integrated circuit

Front 7

the parts of an electric cell are the ____,and ____

Back 7

electrolyte and two metals

Front 8

what are the advantages to a wet-cell battery

Back 8

it produces a large amount of current for a relativly short period of time

Front 9

what are the advantages to a dry-cell battery

Back 9

it has an electrolyte paste between the two metals

Front 10

_______ is a build up of electrical charges on the surface of an object

Back 10

static electricity

Front 11

_____ is the flow electrons around a circuit

Back 11

current electricity

Front 12

______ is a continuous unbroken path

Back 12

circuit

Front 13

______ is only one circuit for the electricity to travel

Back 13

series circuit

Front 14

_____ is the measurement of power, or how fast work is done

Back 14

watt

Front 15

____ is a very small circuit with all its parts built into it

Back 15

integrated circuit

Front 16

_____ is a machine that uses a magnet to convert motion into electrical energy

Back 16

generator

Front 17

____ is an electric current that carries info

Back 17

electrical signal

Front 18

true or false? the three parts of an electric power plant generator are a magnet, a turbine and a coil of wire

Back 18

true

Front 19

true or false? plastic, wood and glass are all good insulators that dont allow electricity to flow through them?

Back 19

true

Front 20

the _____ is the unit of measurement used to measure the the electrical push or force in a circuit

Back 20

volt

Front 21

the ______ _______ ______ uses open and closed circuits to communicate the numbers 0 and 1

Back 21

binary number system

Front 22

a _____ is a material that reduces the flow of electrons

Back 22

resistor

Front 23

the ________ is the unit used to measure how much current fllows through a given part of a circuit

Back 23

ampere

Front 24

magnetic force is strongest at the ______ of a magnet

Back 24

ends

Front 25

___________ conduct electricity better than insulators but not as well as conductors

Back 25

semiconductors

Front 26

_____ _______ signal info by opening and closing elctical circuits in a sequence

Back 26

integrated circuits

Front 27

a battery contains 1 or more ______ ______

Back 27

electrical cells

Front 28

______ discovered that current traveling througha wire produces a weak magnetic feild in the live wire

Back 28

Hans Christain OeSted

Front 29

_______ and _______ discovered that moving a magnet around or through aloop of wire produces electricity in the wire

Back 29

Joseph Henry and Michael Faraday

Front 30

______ discovered that adding a metal core to a coil of wire increases the magnetism

Back 30

William Sturgeon

Front 31

any material with the abbility to attract iron is a _______

Back 31

magnet

Front 32

magnets and ________ are similar because they both repel and attract other objects

Back 32

static electricity

Front 33

opposite poles of magnets ______, but two same poles of a magnet repel

Back 33

attract

Front 34

a(n) ____ is a coil of wire with a core attached to an electrical source

Back 34

electro magnet

Front 35

a(n) _____ uses a a magnet to convert motion into electrical energy

Back 35

generator

Front 36

magnets can be natural or _____

Back 36

man made

Front 37

magnets attract objects made from ______, ______, and _____

Back 37

iron, nickle and cobalt

Front 38

every magnet has a north and _____ pole

Back 38

south

Front 39

magnetic force ids strongest at the ______ of a magnet

Back 39

poles

Front 40

a car battery is an example of a ______ battery

Back 40

wet-cell

Front 41

in a "dead" battery, the metals no longer ______ with the electrolyte

Back 41

react

Front 42

a dry-cell battery uses an electrolyte ____ instead of a fluid

Back 42

paste