Set: Physical Science

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All 67 Terms

Term Definition
Crest Highest point in wave
Mechanical Waves waves that actually move the matter they are going through
Trough Lowest point of the wave
Wave length The length of one wave
Amplitude The distance from the normal rest position
Frequency How many waves pass at a given point every second
Frequency is measured in Hertz
1 Hz= 1 cycle per second
Velocity How fast energy is transfered from one particle to the next
Sound waves through air 332m/s
Light waves through space 300,000,000m/s
Tsunami's can travel at 500mph
frequency of waves x's wavelength velocity =
waves are a ______ transfer of energy
Trasnverse Waves waves that vibrate perpindicular to the direction the wave is traveling
Waves do not_______the medium they move through displace
Longitudinal Waves waves that vibrate that in the same direction as the wave is moving
Wave Interference what happens when two waves from different sources meet
Constructive interference when two waves meet and make a larger wave
Destructive Interference when two waves meet and make a smaller wave
The _____ from each wave ______ to move in the direction is was headed before the waves met energy / continues
Electromagnetic wave are made up of________and_________ electricity/magnetism
The two parts of electromagnetic waves vibrate _________ to each other perpendicular
speed of light the speed electromagnetic waves travel
Shorter / More MoreTHe ____and electromagnetic wavelength the_______energy it has
Microwave The machine in your house
meansRadio Detection And Ranging Radar
Plice shoot__________ tawords a car to determine how fast it is going microwaves
Infered Light the energy an object releases as heat
All object give off some infrared light if they are above ________ _________ Absolute zero
Incadescent Objects objects with so much thermal energy they glow
Visible Light Red light closest to infrared
Red ________has longer waves than violet
Ultraviolet Light Light that can damage human skin
Ultraviolet light can give you________ Sunburn
DNA Ultraviolet light has enough energy to rearrange that______ in your skin cells.
Skin Cancer Ultraviolet rays can rearrange your DNA so they dont reproduce which causes_____ _______
Ultraviolet lightWhat can sterilize certain things
X-Rays made when high energy electrons are slowed down quickly
x-rays what can be harmful in large quantities
Luminous objects objects that produce light
Monochromatic produce only one color of light
white Light light that contains all of the colors in the spectrum
Illuminated Obects objects that reflect light
Additive Primary Colors mixing light together
What are the three additive primary colors Red,Green,Blue
White light when you mix the three additive primary colors together
Subtractive Primary Colors Mixing pigments or paints together
What are the Three subtractive colors Yellow, Cyan, Magenta
Black when you mix all the subtractive colors together
Intensity how bright a light is
Candelas what energy is measured in
illumination how much light hits a surface
illumination depends on_____and ______ intensity / distance
Reflection when light hits a shiny surface the angle at which light leaves the surface
Incident Ray The ray of light headed toward surface
Reflected Ray The ray of light leaving surface
Normal line imaginery line drawn perpendicular to surface
Angle of Incident angle from the normal line to the incoming ray
Angle of Relection angle from the normal line to the outgoing ray
Plane flat
Concave Curved in the middle
Convex curved out in the middle
Refraction the heading of the light when it enters a new medium
Lenses bends to focus light
Focal Length distance from the lens to where the light is focused
Dispersion separation of the different colors of light by bending that light

Set Information

Terms 67
Creator aballerchick
Created May 9, 2008
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aballerchick : Changed White light → when you mix the three primary colors together to White light → when you mix the three additive primary colors together
aballerchick : Changed THe ____and electromagnetic wavelength the_______energy it has → Shorter / More to Shorter / More → MoreTHe ____and electromagnetic wavelength the_______energy it has
aballerchick : Changed What can sterilize certain things → Ultraviolet light to Ultraviolet lightWhat → can sterilize certain things
aballerchick : Changed ________has longer waves than violet → Red to Red → ________has longer waves than violet
aballerchick : Changed Ultraviolet rays can rearrange your DNA so they dont reproduce which causes_____ _______ → Skin Cancer to Skin Cancer → Ultraviolet rays can rearrange your DNA so they dont reproduce which causes_____ _______
aballerchick : Changed velocity = → frequency of waves x's wavelength to frequency of waves x's wavelength → velocity =
aballerchick : Changed Ultraviolet light has enough energy to rearrange that______ in your skin cells. → DNA to DNA → Ultraviolet light has enough energy to rearrange that______ in your skin cells.
aballerchick : Changed Radar means → Radio Detection And Ranging to meansRadio Detection And Ranging → Radar
aballerchick : Changed what can be harmful in large quantities → x-rays to x-rays → what can be harmful in large quantities
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Most Missed Words

  1. Mechanical Waves → waves that actually move the matter they are going through - 2 misses
  2. 1 Hz= → 1 cycle per second - 2 misses
  3. Longitudinal Waves → waves that vibrate that in the same direction as the wave is moving - 2 misses
  4. Constructive interference → when two waves meet and make a larger wave - 2 misses
  5. Destructive Interference → when two waves meet and make a smaller wave - 2 misses
  6. The _____ from each wave ______ to move in the direction is was headed before the waves met → energy / continues - 2 misses
  7. Plice shoot__________ tawords a car to determine how fast it is going → microwaves - 2 misses