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108 Cards in this Set

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  • Back
  • 3rd side (hint)
what is the HIGH point of a wave
crest
what is the LOW point of a wave
TROFT
amplitude = the ______ amount of movement from the resting position. (ENERGY)
MAXIMUM
THE greater the _____ the more energy the wave has
amplitude
wavelength = the distance between...
crests or trofts
what are wavelengths measured in
lambda which is in meters
frequency = the number of _____ per unit of time
wave cycles
what is frequence of waves measured in
meters/sec in hertz
More/increased energy will give a high or low frequence?
high
Dececreased ______ will give a low frequency
energy
what are 3 types of waves
transverse, longitudinal,and combination waves(surface waves)
which wave has particles of waves which move at a right angle to the direction the wave is moving.
transverse
which wave is a combination of transverse and longitudical waves which occur when waves form different mediums meet. Called a surface wave.
combination
Which wave has particles which moe in the same direction as the wave. Because of this, it is made up of compressions and refractions.
longitudinal
give an example of transferse waves
electromagnetic wave
give an example of longitudinal wave
sound waves
give an example of combination waves
water/ocean waves
_____ is when the wave bounces back after hitting a surface. It will bounce back at the same degree which it hit the surface
reflection
when the wave bends because of a change in speed. The change in speed occurs because the wave travels through one medium to another. what type of wave interaction?
refraction
what is differaction
when the wave bends around the edge of an obstacle
what is interference
when 2 or more waves arrive at the same place at the same time. They will combine called constitive interference or cancel each other called destructive interference
what is a standing wave
when the waves appear to not be moving (ex. a rope tied to a doorknob)
waves are made of
vibrations
what is a wave
a traveling distrubance in all directions. transfers energy from one place to another
only the ____ MOVES FORWARD not the medium (the material). The object will bob and return to rest position once wave passes
waves
no cheating!
wave energy - an object that is vibrating is ____ and has ____
moving and has energy
when an object vibrates the particles of that object cause other particles to ______. This is how the wave is ______
vibrate
transmitted
what wave requires a medium to travel?
Mechanical waves

MMMMMMechanical = MMMMMatter
what wave does not require a medium? can travel in what is called a vacuum (empty space)
Electromagnetic wave

example - light, xrays
by what means does energy travel? In other words, what form does energy travel
IN WAVES
WHAT IS a distrubance that transmits energy through matter or spaces
wave
what is a medium
a substance through which a wave can travel
a wave in whic the particles of the wave's medium vibrate perpendicular to the direction the wave is traveling
transverse wave
a wave in which the particies of the medium vibrate back and forth along the path that the wave travels
longitudinal wave
what is amplitude
the maximum distance a wave vibrates from its rest position
what is wavelength
the DISTANCE between one point on a wave and the corresponding point on an adjacent wave in a series of waves
what is frequency
the number of waves produced in a given amount of time
what is wave speed
the speed at which a wave traels
the bouncing back of a wave after it strikes a barrier or an object
reflection
the bending of a wave as it passes at an angle from medium to another
refraction
what is diffraction
the bending of waves around a barrier or through an opening
what is interference
a wave interaction that occurs when two or more waves overlap
a wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude
standing wave
what occurs when an object vibrating at or near a resonant frequency of a second object causes the second object to vibrate
resonance
which of the following waves might your family experienced after a day at a beach
A..water waves
B..microwaves
C..light waves
D..sound waves
A- C- and D
a wave can carry energy away from its source t or f
true
air doesn't travel with sound waves. what would happen if it did
you mihgt feel a rush of air every time you heard a sound
waves can transfer _____ through the vibration of ______ in solid, liquid, or gas
energy
medium
electomagnetic waves are waves that require a medium to transfer energy t or f
false
which of the following lists of waves contains ONLY mechanical waves
a. radio waves, x rays, sound waves
b. seismic waves, water waves, microwaves
c. microwaves, water waves, x rays
d. sound waves, seismic waves, water waves
d.
waves made by the breeze are very different than waves created by the speedboat. why
waves created by the breeze are short and close together.

waves created by the speedboat are tall and widely spaced and have more energy
which is NOT true of amplitude
a. the smaller the amplitude, the more energy that is carried by a wave
b. it is the maximum distance a wave vibrates from its resting position
c. the larger the amplitude of a water wave, the taller the wave
d. all
a.
wavelenth can be measured between corresponding points on two adjacent waves t or f
true
the frequency of a wave is the ____ of waves produced in a given amount of time. To measure frequency of a transverse wave, I can count the number of ____ or ____ that pass a point in a certain amount of time.
number

crests troughs
t or f
the frequency of a wave is not related to its wavelength
false
when wavelength decreases, frequency increases
false
a wave with a low frequency carries less energy than a wave with a high frequency
true
frequency is expressed in hertz
true
the speed of a wave is the ___ traveled by a wave in a given amount of ____.
speed
time
Wave speed is equal to

_____ x ______
wavelength x frequency
what can you calculate if you know the frequency and speed of a wave
lambda
the moon doesn't produce light like the stars do. so why does the moon shine
because the sun shines so bright it reflects off the moon so we can see it
reflection is when waves hit a barrier and some of them pass through it t or f
false
water waves cannot be reflected t or f
false
sound waves that reflect off canyon walls or classroom walls are called
echoes
why does a pencil in ahalf filled glass of water look like its broken
because of refraction which is the bending of a wave as it is at an angle from one medium to another
a wave bends when it enters a new medium because the part of the wave that enters first is traveling at a diffeent sped than the rest of the wave
t or f
true
which of the following are true of diffraction
a. waves curve or bend when they reach the edge of an object
b. waves bend through an opening
c. sound travels around buildings
d. the size of the barrier does not affect the amount of diffraction
a, b, c
diffraction of a wave depends on what two things
its wavelength and the size of the barrier
interference is the result of two or more waves combining to form three waves t or f
false
constructive interference or destructive interference?

the crests of two waves overlap
constructive
constructive interference or destructive interference?

the resulting wave has a smaller amplitude than the original waves had
destructive
constructive interference or destructive interference?

waves of the same amplitude cancel each other out
destructive
WHAT IS a distrubance that transmits energy through matter or spaces
wave
what is a medium
a substance through which a wave can travel
a wave in whic the particles of the wave's medium vibrate perpendicular to the direction the wave is traveling
transverse wave
a wave in which the particies of the medium vibrate back and forth along the path that the wave travels
longitudinal wave
what is amplitude
the maximum distance a wave vibrates from its rest position
what is wavelength
the DISTANCE between one point on a wave and the corresponding point on an adjacent wave in a series of waves
what is frequency
the number of waves produced in a given amount of time
what is wave speed
the speed at which a wave traels
the bouncing back of a wave after it strikes a barrier or an object
reflection
the bending of a wave as it passes at an angle from medium to another
refraction
what is diffraction
the bending of waves around a barrier or through an opening
what is interference
a wave interaction that occurs when two or more waves overlap
a wave that forms a stationary pattern in which portions of the wave do not move and other portions move with a large amplitude
standing wave
what occurs when an object vibrating at or near a resonant frequency of a second object causes the second object to vibrate
resonance
which of the following waves might your family experienced after a day at a beach
water waves
microwaves
light waves
sound waves
water waves light waves and sound waves
by what means does energy travel
in waves
waves can be transmitted through what phases of matter
solid, liquid, gas
what happens to the medium when a wave passes thru it
it does not move
what 2 properties affect the speed of a wave
density and elasity
define transverse wave
a wa
what is trough
the lowest point of a transverse wave
what is compression
a region of higher density or pressure in a wave
through a wave, what is transmitted
re
define amplitude
the maximum distance a wave vibrates from its rest position
a medium can carry longitudinal waves because of its
mass
color
ductility
density
density
the energy of a wave is directly related to what characteristic of a wave
the amplitude
define wave
a disturbance that transmits energy through matter or space
in what is wavelength measured
meters
hertz measures what part of a wave
frequency
define hertz
the unit used to express frequency; one hertz is one cycle per second
for what is lambda the symbol
wavelength
give an example of a wave that can be transmitted through a vacuum
visible light/electromagnetic
define frequency
the number of waves produced in a given amount of time
what happens to an object floating in water as a wave passes
the object bobs up and down but does not move forward as the wave passes
how are amplitude and the energy a wave has related?
more energy = higher amplitude

less energy = smaller amplitude