Waves and Fields Flashcards

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1
Q

Wave

A

A disturbance or oscillation that travels through space or matter and transfers energy

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2
Q

Amplitude

A

Height of the wave. This determines the amount of energy the wave carries

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3
Q

Wavelength

A

Distance from one crest or trough to another

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4
Q

Frequency

A

How many waves pass a point in a certain time

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5
Q

Medium

A

A substance that can carry waves

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6
Q

Effects of Mediums

A

Waves are absorbed, reflected, or travel through

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7
Q

Types of Waves

A

Mechanical - needs a medium, Electromagnetic - does not need a medium

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8
Q

Energy

A

Transferred with a wave. Matter is not transferred

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9
Q

Examples of Mechanical waves

A

Ocean, seismic, sound

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10
Q

Examples of Electromagnetic waves

A

Gamma rays , X-ray, Ultraviolet, Visible Light, Infrared, Microwaves, Radio

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11
Q

Spectroscope

A

Device used to break down the visible spectrum of light

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12
Q

Radiation

A

“Invisible light” that travels through space

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13
Q

Colors of Visible Light

A

Red, Orange, Yellow, Green, Blue, Indigo, Violet

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14
Q

Long Wavelength Electromagnetic Waves

A

Infrared, Microwave, Radio

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15
Q

Short Wavelength Electromagnetic Waves

A

Ultraviolet, Gamma, X-rays

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16
Q

Infrared

A

Long wavelength - Heat

17
Q

Charged Particles

A

Proton - positive, Electron- negative

18
Q

Attraction Of Particles

A

Like charges attract, unlike particles repel

19
Q

Electric Current

A

When charged particles move

20
Q

Electric Forces

A

The area of attraction or repulsion of charged particles

21
Q

Electric Field

A

A force around every charged particle

22
Q

Magnet

A

An object with a north and south pole that produces a field

23
Q

Magnetized Material

A

Anything (usually a metal) where electrons are pulled to one end, giving it a north and south pole

24
Q

Field Lines

A

Areas where magnetic fields attract or repel each other

25
Q

Electromagnet

A

When flowing electricity through a wire creates a magnetic field

26
Q

Earth’s Magnetic Field

A

The spinning iron core creates a magnetic field