Waves
Waves and Wave Parts
Wave Parts
Wave Interactions
EM Spectrum
EM Spectrum 2
100
Waves transfer ___________ and not ______________.
energy, matter
100
With your hand, how does a transverse wave move?
Sketch or show me with your hands.
100
Highest part of a wave?
Crest
100
When light enters an object and doesn't leave
absorbtion
100
Which color has the shortest wavelength?
Violet
100
What is a use of detecting Infrared Waves?
Rescuing people, military, hunting, etc.
200
______________ waves need a medium to travel through.
Mechanical
200
With your hand, how does a longitudinal/compression wave move?
Sketch or show me with your hands.
200
Distance from one point to next same point.
Wavelength
200
When a wave hits an object and bounces off at the same angle.
Reflection
200
What EM wave has the longest wavelength and least energy?
Radio
200
What is a use or fact about Ultraviolet (UV) Rays?
VD, disinfecting, etc.
300
Sound waves travel relatively ___________ compared to light waves.
slow
300
Imaginary line halfway between the crest and trough
Rest position
300
Lowest part of a wave.
Trough
300
When a wave spreads out after an opening or object.
Diffraction
300
Which color has the longest wavelength?
Red
300
Name an object that blocks x-ray waves.
Bones or metal
400
__________________ waves do not need a medium to travel through.
Electromagnetic
400
Height of the wave (rest position to crest)
Amplitude
400
Dense area of a longitudinal wave?
Compression
400
When a wave changes speeds and direction as it moves from one medium to another.
Refraction
400
What word means above violet?
What word means below red?
Ultraviolet
Infrared
400
What EM wave has the shortest wavelength and most energy?
Gamma waves
500
Name 3 examples of a medium.
Air, ground, water
Solid, Liquid, Gas
500
Sketch both of these. Constructive and destructive interference
Constructive add and result in a larger wave.
Destructive interference cancels out.
500
Spread out region of a longitudinal wave?
Rarefaction
500
When two waves overlap and either combine or cancel.
Interference
500
List the Electromagnetic Spectrum waves in order.
Largest wavelength to smallest.
Radio, Microwaves, Infrared, Visible Light, Ultraviolet, X-Ray Waves, Gamma Rays
500
What are two lesser known uses of radio and microwaves?
TV, Cell phone communication, Wi-Fi and Bluetooth
and
Weather radar tracking, GPS, and satellite communication