Light
Light travels in a ___________ line.
straight
Sound is produced from a _____________.
vibration
Electromagnetic Spectrum
the range of transverse waves that are able to transfer energy without requiring a medium
Wave
any disturbance that transmits energy through matter or empty space
Pitch
how high or low of a note a sound is, determined by its frequency
Reflection
when light hits a smooth shiny surface.
Sound waves are _________________.
longitudinal
List the waves in the electromagnetic spectrum in order from least energy to highest energy
radio, microwaves, infared, visible light, ultraviolet, x-rays, gamma rays
Wavelength
distance from any point on a wave to the identical point on the next wave
Refraction
the bending of a wave as the wave passes between two substances, causing the speed of the wave to change
Law of Reflection: When light hits a _______, ________ surface, it reflects at the same _________ it came in.
smooth
shiny
angle
Decibels
the units used to measure the volume of a sound
What is the name of the only type of wave we can see on the electromagnetic spectrum?
visible light
frequency
the number of waves produced in a given amount of time
Visible Light
range of wavelengths on the electromagnetic spectrum that can be seen by the eye
Refraction: An effect that occurs when light ________ as it passes from one _____________ into another.
bends, substance
The frequency of sound waves determines the _______.
pitch
Each _______ of visible light has a different ____________, which allows us to see ___________ colors.
color, wavelength, different
Amplitude
the maximum distance the particles of a wave vibrate from resting position
Volume
how loud a sound is, determined by its amplitude
Angle of Incidence: Angle ______ = Angle ________
in, out
The Doppler Effect
the Doppler Effect is the apparent change in the frequency of a wave caused by movement.
Sir Isaac Newton discovered that ______ _______ forms when ______ the colors of the spectrum are _______ ________.
white, light, all, mixed, together
What are the names of the two main waves
transverse and longitudinal
Scattering
an interaction of light with matter that causes light to change it's energy, direction of motion, or both