Science Quarterly 2 Flashcards
The medium of an electromagnetic wave is ______ ______.
empty space
The medium of a mechanical wave is ___ ______.
any matter
Earthquakes produce mechanical waves called _______ waves.
seismic
The most common medium of a sound wave is ______. Even though sound travels faster in ______ and _______.
air, solids. liquids
The disturbances that produce sound waves are called ___________.
vibrations
Sound reflection is called an _____.
echo
Sound travels fastest in _____. It travels slowest in ______. It travels in between-ish in _______.
solids, gases, liquids
The higher frequency = higher ______.
pitch
The higher amplitude = higher ______.
energy
The higher frequency = the _________ wavelength.
shorter
The unit measurement for wave frequency is ______.
hertz
The speed of a wave is calculated by _______ * _________.
frequency, wavelength.
