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