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WAVES 8th Grade Science
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JEOPARDY!
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JEOPARDY! Nature of Waves JEOPARDY! Seismic Waves Properties of Waves JEOPARDY! Behavior of Waves JEOPARDY! Speed of Waves JEOPARDY! JEOPARDY! Potpourri $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500
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Nature of Waves Seismic Waves Properties of Waves Behavior of Waves Speed of Waves Potpourri $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500
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Where is there NO medium?
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Vacuum of Space
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Sound waves are an example of what type of waves?
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Mechanical and Compression
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Give 2 examples of a transverse wave?
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Light, s-waves, water waves, moving a jump-rope up and down.
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When a transverse wave moves through a medium, the particles of the medium move .
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Perpendicular to the wave motion
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When a compression wave moves through a medium, the particles of the medium move _______.
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Parallel to the Wave Motion
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Primary waves are an example of what type of wave?
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Both compression and mechanical
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Secondary waves are an example of what type of wave?
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Transverse
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The epicenter of the earthquake in this picture is _____.
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L.A.
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On a seismogram, the distance between the P-waves and S-waves is…
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Lag time
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On the seismogram below, which city is the closest to the epicenter?
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Portland
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Which wave carries less energy?
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Wave #1, smaller amplitude
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What number represents the trough?
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#9
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What number represents the wavelength?
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# 8
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What is the formula for calculating speed of a wave?
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s = λ x f
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If the frequency of a wave increases, what happens to the wavelength?
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Decreases
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The angle of Incidence is _____ the angle of reflection.
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Equal to
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Letter C is the _____. >>>
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Normal
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Letter A represents _____.
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Angle of Incidence
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A light wave entering glass from air slows down, so it bends _____ from the normal.
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Towards
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The light wave leaving the glass into the air would be refracted ______ the normal.
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Away
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____ waves are the fastest seismic waves.
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Primary waves (P-waves)
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Daily Double
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Wave speed is measured in what unit?
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If a waves frequency is 20 Hz and it’s wavelength is 10 meters, the wave speed is _____.
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200 m/s
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If wavelength increase, then frequency_____.
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decreases
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Meters per Second (m/s)
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Frequency is measured in _____.
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Hertz (Hz)
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Sound waves travel fastest in _______.
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Solids
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Distance from compression to compression is _____.
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Wavelength
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Wavelength is measured in _____.
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Meters
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Waves carry _____. >>>
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energy
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The greater the _____ the greater the energy carried by the wave.
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amplitude
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JEOPARDY!
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