Waves Magnets Electr
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
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What is a vibration that carries energy from place to place? | Wave
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Which type of wave moves the matter up and down as it passes by? | Transverse Waves
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Which type of wave moves the matter left to right as it passes by? | Longitidinal Waves
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Which type of wave carries sound energy? | Longitudinal Waves
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Which type of wave carries light energy? | Transverse Waves
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Which type of wave carries the energies found on the electromagnetic spectrum? | Transverse Waves
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What is a medium? | Matter
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Which wave must have a medium in order to carry energy from place to place? | Longitudinal Waves
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What do we call the tops of a transverse wave? | Crests
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What do we call the bottoms of a transverse wave? | Troughs
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The height, or distance from rest to crest, or rest to trough is called? | Amplitude
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The distance from trough to trough or crest to crest is called? | Wavelength
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The number of waves that pass a point in a second is the waves? | Frequency
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When a wave bounces back, it has been | Reflected
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What do we call a reflected sound wave? | Echo
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What law states that the angle at which the wave hits the surface will be equal to the angle at which the wave bounces off of the surface? | Law of Reflection
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Which type of mirror makes you look larger? | Convex
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Which type of mirror makes you look smaller? | Concave
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Which type of mirror does not make your image larger or smaller? | Plane
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A wave that has been bent is said to have been | Refracted (Refraction)
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What causes a wave to bend? | Moving through mediums of different densities slows or speeds up a moving wave
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As light passes through a prism, it _______, and creates a rainbow | Refracts
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What describes waves that can pass through a peice of glass? | Transmit
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An object that blocks all light from passing through it is said to be | Opaque
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An object that allows all light to pass through it is said to be | Transparent
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An object that allows only some light to pass through it is said to be | Translucent
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A piece of glass is: | Transparent
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A peice of wax paper is: | Translucent
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A peice of wood is: | Opaque
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Objects that create their own light are said to be | luminous
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Objects that do not make their own light, rather they reflect light, are said to be | Illuminated
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The sun, a lightbulb and a fire are | luminous
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The moon, a human, and a table are: | illuminated
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Which wave characteristic determines the lights brightness? | Amplitude
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What colors make up white light? | ROY G BIV
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Which color of light has the longest wavelength? | Red
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What determines the color of an opaque object? | The color it reflects
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Why is a blue shirt blue? | reflects blue light
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What colors does a black shirt reflect? | NONE
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What color does a white shirt reflect? | ROY G BIV (all)
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What determines the color of a transparent object? | color it transmits
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What do we call transparent objects that only transmits ONE color? | Filter
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Which electromagnetic wave carries the most energy? | Gamma waves
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Which electromagnetic wave can be used to diagnose broken bones? | X rays
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What part of a sound (longitudinal) wave is made up of tightly packed atoms? | compression
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What part of a sound (longitudinal) wave is made up of atoms spaced far apart? | rarefraction
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Will sound travel faster through solids, liquids, or gases? | Solids
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Why does sound move faster through denser matter? | Atoms are closer
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What wave property controls the pitch of a sound? | Frequency
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What wave property controls the loudness of a sound? | Amplitude
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What do we call the sudden change in pitch of a sound as it moves past a still object? | Doppler Effect
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How many poles do magnets have? | 2
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What do we call the area around a magnet in which the magnetic forces work? | Magnetic Field
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Where are magnets the strongest? | Poles
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Like magnetic poles. . | repel
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unlike magnetic poles. . . | attract
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In what direction does electricity always flow? | negetive -> positive
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What do we call the flow of electrons? | electricity
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What are three things needed in order to create a circuit? | source of electrons, load (something to use electrons) & pathway (wire)
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What type of circuit has only one pathway for the electrons to flow? | series
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What type of circuit has two or more pathways for the electrons to flow? | parallel
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What do we call the build up of electrons on a surface? | static electricity
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What creates this build up of electrons? | friction
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What types of materials allow electrons to flow through them easily? | conductors
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What types of materials do NOT allow electrons to flow through them easily? | insulators
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What are two differences between sound and light? | 1.Light travels faster than sound2.Sound needs a medium to travel and light does not
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What is a complete, closed path through which electric charges can flow? | Circuit
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How can you re-magnetize a magnet? | 1.Stroke it with a strong magnet2.Runing an electric current through it
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