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Changes in Waves Essential Question:

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Presentation on theme: "Changes in Waves Essential Question:"— Presentation transcript:

1 Changes in Waves Essential Question:
How do changes in one part of a wave affect other parts of a wave? (S8P4a,f) Instructional Approach(s): The teacher should introduce the essential question and the standard that aligns to the essential question

2 Use the PowerPoint to fill in the Changes in Wave Properties Notes
Instructional Approach(s): The teacher should give each student the Waves Notes sheet to use to record important information throughout the lesson

3 Review: Parts of a Transverse Wave https://www. youtube. com/watch
The amplitude is the peak (greatest) value (either positive or negative) of a wave. The distance from the undisturbed level to the trough or crest. Instructional Approach(s): The teacher should present the information on the slide while the students record the important information on their notes

4 Larger amplitude = More Energy
Less Energy Transferred More Energy Transferred Instructional Approach(s): The teacher should present the information on the slide while the students record the important information on their notes

5 The wavelength is the distance…
Review: Parts of a Wave The wavelength is the distance… between the crests or troughs of two consecutive transverse waves Instructional Approach(s): The teacher should present the information on the slide as a review for parts waves. from compression to compression or rarefaction to rarefaction in a compressional wave

6 Frequency is the number of wavelengths that pass a point in a given amount of time.
Low Frequency Instructional Approach(s): The teacher should present the information on the slide while the students record the important information on their notes High Frequency

7 Wavelength and Frequency are inversely related.
If a wave is traveling at the same speed, as the frequency of a wave increases, its wavelength decreases. The same is true in reverse. As the wavelength of a wave increases, its frequency decreases.

8 Low Frequency High Frequency Long Wavelength Short Wavelength

9 Wavelength, Frequency, and Energy
Shorter Wavelength = Higher Frequency = More Energy Longer Wavelength = Lower Frequency = Less Energy Instructional Approach(s): The teacher should present the information on the slide while the students record the important information on their notes

10 Summarizing Strategy: Complete the Changes in Properties of Waves: Sorting Activity
Instructional Approach(s): Each student should complete the summarizer. The teacher should use the summarizer to determine the level of student mastery and if differentiation is needed.


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