Download - What is the purpose of a wave? To carry energy through matter or space. Or, to transfer energy
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What is the purpose of a wave?
To carry energy through matter or space.
Or, to transfer energy
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What waves require a medium to travel or do they all require a
medium to travel?
Mechanical waves require a medium and electromagnetic do not.
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What are longitudinal waves?
Waves that vibrate parallel to the direction of the wave.
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What are electromagnetic waves?
Waves of oscillating electric and magnetic fields
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What is the height of a wave called?
Amplitude
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What are transverse waves?
Move perpendicular to the direction of the wave
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What is diffraction?
Bending of a wave around an opening or corner.
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Draw and label a wave and its five main parts.
See the board
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What is the difference between a mechanical wave and an electromagnetic wave?
Mechanical requires a mediumElectromagnetic waves do not
require a medium
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What are sound waves? Be able to give at least one example.
Waves that move out in spherical fronts.
Exp – iPods, stereos, etc.
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What types of waves are sound waves?
Longitudinal
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What makes sound soft or loud?
Amplitude
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What measures the amount of energy in a sound wave?
Decibels
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What is pitch and what determines pitch?
Pitch is the level of a particular sound and it is determined by frequency.
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What determines loudness?
Pressure, Volume, or Intensity
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Light scattering on a rough surface is called what?
Diffuse reflection
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What is the wavelength of red light?
700 nm
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What is the wavelength of violet light?
400 nm
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What is another name for a flat mirror?
Plane
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What is the name of a mirror that bends inward?
Concave
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What is the name of a mirror that bends outward?
Convex
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How does light travel?
In transverse waves
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What is the law of reflection?
The angle of incidence of a light ray is equal to the angle of reflection of the
same light ray.
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List the waves included in the electromagnetic spectrum from
low frequency to high frequency.
Radio waves, microwaves, infrared waves, visible light, UV , X-rays, and
Gamma
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Angle of IncidenceNormal
Angle of Reflection
Reflecting Surface
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Describe three ways light is related to waves.
1. To transfer energy2. Travel in waves
3. Color is reflected as light waves4. Produce interference waves like
water
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Name the colors of the visible light spectrum from longest wavelength
to shortest wavelength. What is the acronym used to help remember the order of the visible light spectrum?
Red, Orange, Yellow, Green, Blue, Indigo, Violet
ROY G BIV
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Sound is a series of atmospheric pressure waves produced by
what?
Vibrations