Parts of a wave
Highest point of a wave
crest
THE LARGER THE AMPLITUDE THE LARGER THE ___________________!!
sound
three ways to find wavelength?
crest to crest
trough to trough
count total waves and divide by the total distance
true or false. Lake Michigan has waves?
true
When is the waves test?
Tuesday (tomorrow)
Lowest point of a wave
trough
WHEN AMPLITUDE DOUBLES THE INTENSITY IS _________________
QUADRUPLED
As wavelength increases, frequency ________________
how many oceans on Earth have waves?
all of them. 5
When are parent teacher conferences?
Tuesday (tomorrow)
rest position to crest OR rest position to trough
amplitude
What is the energy of a wave with 10 watts per minute and 2 waves per minute?
5 watts per wave
the larger the wavelengths allow for ________ waves to pass a given point per second.
less
wavelength = speed divided by frequency.
The speed of a wave is 100 meters per second and the frequency is 50Hz.
What is the frequency of the wave? _______Hz
50 Hz.
How many school weeks until winter break? (not including this week)
7
crest to crest OR trough to trough OR count total waves and divide by the total distance
wavelength
What is the energy of a wave with 100 watts per minute and 5 waves per minute?
20 watts per wave
The speed of a wave is 100 meters per second and the frequency is 50Hz. What is the wavelength?
2 meters
What is the vocab word.
a disturbance that transfers energy from one place to another without transferring matter
wave
True or false. Arizona has active volcanoes?
True. They are dormant currently but have the potential to erupt so they are active.
San Fran Peaks- Sunset, Humphreys (snow bowl)
Uinkaret volanic field- north rim of Grand canyon
Pinacate- south western AZ
the number of waves divided by the total time. Measured in hertz (Hz)
frequency
What is the formula for the energy of a wave?
Energy of a wave = watts per minute/ waves per minute
What is the formula for wavelength?
wavelength = speed divided by frequency
Fill in the blank. Sound intensity - power (____________) of a wave
loudness
What two teams are in the world series right now?
blue Jays and dodgers