Download Wave Unit 8 Essential Questions

Remember to study your notes, diagrams and
vocabulary
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1. Transfer Energy
2. Mechanical waves need a medium
3. Gamma, visible light, infrared, x-ray, UV,
microwave, radio
4. At right angles to the other direction of
motion
5. Transverse
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6. Number of waves that pass a point in a
certain amount of time.
7. The height of the wave
8. Increase in frequency-short wavelength,
faster wave speed (brighter light)
9. 300,000 km/s
10. They all travel at the same speed (if
traveling through the same medium)
11-12 Highest frequency: gamma
Shortest wavelength: gamma
Lowest frequency: radio
Longest frequency: radio
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Label with arrow Inc Frequency & Inc. Energy
Frequency
Radio
Micro
Energy
Infrared Visible
Light
UltraViolet
XRay
Gamma
13. What is reflection? Give an example.
Reflection: When a wave bounces off a surface.
Examples:
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What is refractions? Give two
examples.
When a wave bends going
from one medium to another
15. What is diffraction and how
does it differ from refraction?
When a wave bends around
an
object or through an
opening. (stays in the same
medium)
16. What wave is often diffracted through
doorways and down hallways?
Sound & Light Waves
Light through the eye → cornea →
pupil → lens → vitreous humor →
retina → optic nerve → brain
Refract. The ability for the
eye to refract light that
enters it as to form an
image on the retina.
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Cornea-convex, front layer of eye; focuses
light into the pupil.
Lens-Double –convex-gets larger/smaller to
see up close and far away.
Retina- contains rods and cone cells. Image
is projected onto.
Optic Nerve-Sends nerve signals to the brain
to be interpreted.
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reflect certain
wavelengths and
absorb others.
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21. Light can be transmitted through it-glass
22. Some light can be transmitted: wax paper
23. No light can be transmitted: only reflects
and/or absorbs light: Banana
24. VIBG-YOR
25. reflects red, absorbs OYGBIV
26. ROYGBIV is reflected
27. ROGBIV is absorbed
28. concave lens-thicker thicker on the edgesimages look smaller, bringing images from a far
closer, nearsighted
Convex lens- thicker in the middle, look larger
and farther away, farsighted
29. omitted
 30.
 Reflection: mirror, reflecting telescope,
projector
 Refraction: refracting telescope, prism, lens,
camera
 Diffraction: Diffraction grating
 31. Violet-short wavelength-high frequency
 Red-long wavelength-low frequency
 32. High Frequency=High Energy
Low Frequency= Low Energy
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33. a medium
34. water waves, seismic waves, sound waves
35. together and apart (parallel to direction of
waves)
36. Compressional
37. Gather/tunnel the sound waves
38. ear canal
39. Amplify the sound
40. Hammer, anvil, stirrup
41. Interpret the sound
42. Cochlea: contains tiny hairs that send the
vibrations through nerve endings to the brain to
be interpreted.
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43. No, sound of speed can change due to
temperature and/or media. (hotter/more
dense media=faster)
44. It is “echo” –reflection of sound waves
45. padded ceilings and/or walls
46. (sound) someone speaking to you when
your under the water
47. (hearing) someone talking in the hall
when you are in a classroom