Time zones
How many major time zones does the earth have?
24 major time zones
What does CME stand for
Coronal Mass Ejection
How many moon phases are there?
Eight moon phases
True or false: Transverse waves need a medium.
False, Transverse waves do not need a medium.
True or false. We can see stuff with wavelengths from 50-1000 nanometers
false we can see stuff with wavelengths from about 300-700 nanometers.
What is a time zone?
A time zone is an area in the world where all clocks are set to the same time.
how long does it take for photons to cross the radiative zone?
It takes them 100,000 years.
true or false: The moon orbits earth
True: the moon does orbit earth.
true or false: Transverse waves need a medium
false they don't need a medium
What is the frequency of a wave?
The frequency of a wave is the number of times it passes a certain point in a certain amount of time
What does the frequency of a wave determine?
The frequency of a wave determines the pitch.
Identify the parts of a longitudinal and transverse wave.
A longitudinal wave is made up of compressions and rarefactions. A transverse wave is made up of crests and troughs.