Properties of Waves Unit 5 Chapter 20 … Section 2.

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Presentation transcript:

Properties of Waves Unit 5 Chapter 20 … Section 2

Warm-Up Textbook p. 579: Answer #1 thru #7 and #9 ( i.e. all except #8) Properties of Waves

Wavelength definition (review): the distance from any point on a wave to an identical point on the next wave (in meters )  use the Greek symbol lambda Properties of Waves

Frequency definition (review): the number of waves passing a given point in an amount of time (per 1 second)  measured in Hertz (Hz) units Properties of Waves

Amplitude definition: the maximum distance that the particles of a wave’s medium vibrate from their rest position Rest Position: the point where the particles of a wave’s medium stay when not disturbed Properties of Waves ( at equilibrium )

Compare Properties of Waves

Compare Properties of Waves

Waves in Action Properties of Waves Sound waves (Marine Corps boot camp-style) … 2 minutes: Tsunami waves (Japan, Thailand) … 1 & 2 & 2 min’s each: Earthquake waves (Japan) … 1.5 & 3 min’s each:

Energy Properties of Waves Waves that have ______ …  Higher Frequencies ( and therefore Shorter Wavelengths) and/or  Larger Amplitudes …. will carry greater Energy.

Exit Ticket Properties of Waves The scale for the diagram below uses meters. 1.What is the size of the wave’s amplitude ? 2.What is the size of its wavelength ? 3.How many complete waves are found in the diagram? 4.If the diagram represents a snapshot of one second, what is the frequency of the wave? 5.Which has more energy ? …this wave, or one that has a of 10m?