Science Waves And Electric Energy

Front 1

Disturbances that transfer energy through space

Back 1

Wave

Front 2

The matter through which a wave travels

Back 2

Medium

Front 3

A wave that requires a medium through which to travel :: Disturbances in matter that carry energy

Back 3

Mechanical Wave

Front 4

– a wave cause by a disturbance in electric and magnetic fields and that does not require a medium; also called a light wave

Back 4

Electromagnetic Wave

Front 5

Wave that causes the particles of the medium to vibrate perpendicular to the direction the wave travels

Back 5

Transverse wave

Front 6

a wave that causes the particles of the medium to vibrate parallel to the direction the wave travels

Back 6

Longitudinal wave

Front 7

The highest point of a transverse wave

Back 7

Crest

Front 8

The lowest point of a transverse wave

Back 8

trough

Front 9

The greatest distance that particles in a medium move from their normal position when a wave passes

Back 9

amplitude

Front 10

The distance between two crests or two troughs

Back 10

wavelength

Front 11

the time required for one full wavelength to pass a certain point

Back 11

Period

Front 12

the number of vibrations per second

Back 12

Frequency

Front 13

the speed at which a wave passes through a medium

Back 13

Wave speed

Front 14

an observed change in the frequency of a wave when the source or observer is moving

Back 14

Doppler Effect

Front 15

the bouncing back of a wave as it meets a surface or boundary

Back 15

Reflection

Front 16

The bending of a wave as it oasses an edge or an opening

Back 16

Diffraction

Front 17

the combination of two or more waves that exist in the same place at the same time

Back 17

Interference

Front 18

any interference in which waves combine so that the resulting wave is bigger than the original waves

Back 18

Constructive Interference

Front 19

any interference in which waves combine so that the resulting wave is smaller than the largest of the original waves

Back 19

Destructive Interference

Front 20

the wave form caused by interference that appears not to move along the medium and that shows some regions fo no vibration and other regions of maximum vibration

Back 20

Standing Wave

Front 21

an electrical property of matter that creats a force between objects

Back 21

Electric charge

Front 22

a materical that transfers charge easily

Back 22

conductor

Front 23

a material that does not transfer charge easily

Back 23

insulator

Front 24

the force of attraction or repulsion between charged objects

Back 24

electric force

Front 25

the region around a charged object where it has an effect on other charged objects

Back 25

electric field

Front 26

the potential energy of a chraged object due to its postion in an electric field

Back 26

Electrical potential energy

Front 27

The difference in electrical potential energy between two places in an electric field

Back 27

potential difference

Front 28

a devise that is a source of electric current because of a potential difference, or voltage, between the terminals

Back 28

cell

Front 29

the rate that electric charges move through a conductor

Back 29

current

Front 30

opposition to the flow of charges in a material

Back 30

resistance

Front 31

an electrical device connected so that i provides one or more complete paths for the movement of charges

Back 31

Electric Circuit

Front 32

a graphic representation of an electric circuit or apparatus, with standard symbols for the electrical devices

Back 32

Schematic Diagram

Front 33

Describes a circuit or portion of a circuit that provides a single conducting path

Back 33

Series

Front 34

describes components in a circuit that are connected across common points, providing two or more separate conducting paths

Back 34

Parallel

Front 35

the energy associated with the electrical charges, whether moving or at rest

Back 35

Electrical energy

Front 36

an electrical device containing a metal strip that melts when current in the circuit becomes too great

Back 36

Fuse

Front 37

a device that protects a circuit from current overloads

Back 37

Circuit Breaker

Front 38

an area of a magnet where the magnetic force appears to be the strongest

Back 38

Magnetic pole

Front 39

a region where a magnetic force can be detected

Back 39

magnetic field

Front 40

a coil of current carrying wire that produces a magnetic field

Back 40

solenoid

Front 41

a strong magnet created when an iron core is inserted into the center of a current-carrying solenoid

Back 41

electromagnet

Front 42

the productions of a current in a conducting circuit by a change in the strength, position, or orientation of an external magnetic field

Back 42

Electromagnetic Induction