Today’s Agenda…12-1 Bellringer: What is an electromagnet? Take up homework Review Magnet...
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Transcript of Today’s Agenda…12-1 Bellringer: What is an electromagnet? Take up homework Review Magnet...
![Page 1: Today’s Agenda…12-1 Bellringer: What is an electromagnet? Take up homework Review Magnet Worksheet from Monday Notes on Waves – Study Pack #13 Exit Slip.](https://reader036.fdocuments.net/reader036/viewer/2022062720/56649f0e5503460f94c22518/html5/thumbnails/1.jpg)
Today’s Agenda…12-1Today’s Agenda…12-1
Bellringer: What is an electromagnet?Take up homeworkReview Magnet Worksheet from MondayNotes on Waves – Study Pack #13Exit Slip
![Page 2: Today’s Agenda…12-1 Bellringer: What is an electromagnet? Take up homework Review Magnet Worksheet from Monday Notes on Waves – Study Pack #13 Exit Slip.](https://reader036.fdocuments.net/reader036/viewer/2022062720/56649f0e5503460f94c22518/html5/thumbnails/2.jpg)
WAVESWAVESStudy Pack #13
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Today’s Goals…Today’s Goals…
I can explain the relationship between waves, energy, and matter.
I can describe the difference between transverse waves, and compressional waves.
![Page 4: Today’s Agenda…12-1 Bellringer: What is an electromagnet? Take up homework Review Magnet Worksheet from Monday Notes on Waves – Study Pack #13 Exit Slip.](https://reader036.fdocuments.net/reader036/viewer/2022062720/56649f0e5503460f94c22518/html5/thumbnails/4.jpg)
What is a wave?What is a wave?
The way energy moves from place to placeExamples:
– Sound moves from my mouth to your ears– Light moves from a bulb to a book page to your
eyes– Heat waves move from the sun to the Earth
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What is a wave?What is a wave?
How does energy move in a wave?– All waves are produced by something that is
vibrating (moving)– That energy is transferred to particles– Then, particles bump into each other and
transfer energy from one to the next– In a wave, the energy moves, but not the matter– A model for waves; page 227
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Mechanical WavesMechanical Waves
Waves that need matter to transfer energyThat matter that the wave travels through is
called the mediumExample:
– For waves in an ocean, the medium is the water– Sound waves travel through the medium of air
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Mechanical WavesMechanical Waves
There are two types of mechanical waves:– Transverse– Compressional
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Transverse WavesTransverse Waves
Energy causes the matter in the medium to move up and down or side to side
Example: Waves in waterFigure 3Draw a picture
of a transverse wave
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Compressional WaveCompressional Wave
Matter in the medium moves back and forthExample: Sound waves; page 229Figure 4Draw a picture
of a compressional wave
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Electromagnetic WavesElectromagnetic Waves
Waves that can travel through space where there is no matter
Examples: radio waves and light waves
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See what they look like!See what they look like!
WAVES
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Exit SlipExit Slip
What is the relationship between waves, energy, and matter?
Describe the difference between transverse and compressional waves.
Put your answers in the tray on the way out!