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Waves
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- 1Keywords for WavesA disturbance or Vibration
- 2Different types of waves?Compressional, Transverse
- 3Compressional Wave characteristics?Compressional waves go side to side. The wave goes side to side and the motion goes side to side. Looks often like a slinky.
- 4Transverse waves characteristics?Transverse waves go up and down, and side to side. The wave goes up and down, however, the motion goes side to side. Looks like a regular wave that you would imagine.
- 5What is a rarefraction?A rarefraction is when the wave is more spread out than the other parts of the wave.
- 6What is frequency?Frequency is the number of waves that pass a specific point in 1 second.
- 7If the crest of the wave passes a specific point 350 times in 10 seconds, how high is the frequency?350/10=35
- 8What is the unit for frequency?HZ, or hertz
- 9What is amplitude?Amplitude is the height from the middle to the top of the crest or the bottom of the trough.
- 10What is the top of a wave called? The bottom?
- 11What is speed? (don't use the word fastness) How to calculate speed?There are two different ways to caluclate speed:
1. distance/time
2. frequency x wavelength
- 12What is pitch?Pitch is the note of a sound. It can be high or low.
- 13What is wavelength?Wavelength is when you measure one place to another. For instance trough to trough or crest to crest.
- 14Crest? what is that?A crest is the top of the wave.
- 15Trough? what is that?A trough is the bottom of a wave.
- 16If you change the frequency, what happens?If I change the frequency, the speed will stay the same, however the medium changes.
- 17What will happen if I change the amplitude?If you change the amplitude the wavelength will change, and it will also change the force.
- 18What affects pitch?Frequency affects pitch.
- 19What is the electromagnetic spectrum?The electromagnetic spectrum is where frequencies are turned into colors and reactions.
- 20Class definition of electromagnetic spectrum?A form of radiation that travels without a medium - a substance that permits energy to be transmitted from one point to another.
- 21Electromagnetic spectrum fun fact?The electromagnetic spectrum has NO medium, therefore, the different types within it travel at the speed of light, 186,000 miles per second (constant speed).
- 22list the different thingys electromagnetic spectrum?Listed from lowest wavelength to highest
1. Radio waves
2. Microwaves
3. Infrared
4. Visible light
5. Ultraviolet
6. X-Rays
7. Gamma-ray - 23What is included in the radio waves?AM/FM radios, and amateur radio
- 24What is included in microwaves?Aircraft Communication, Microwave Ovens
- 25What is included in the Infrared?TV remotes, Night vision goggles
- 26What is included in the visible light area?The rainbow
(red orange yellow green blue violet) - 27What is included in the ultraviolet area?UV lights from the sun
- 28What is in the x-ray spectrum?Airport security scanners, and regular x-rays.
- 29What is included in the gamma-ray area?PET scan, and terrestrial gamma-ray flashes, explosions, and thunder
- 30Why do we need to know about the electromagnetic spectrum?We need to know about it because if we didn't we wouldn't know about colors and we wouldn't know how to categorize them.
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- Fichas sobre Waves, creado por Ava Samoluk el 28/03/2019.
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- Ava Samoluk
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