how do people communicate? - correct answer ✔sound waves, light waves,
and vibrations
what is harmonic motion - correct answer ✔motion that repeats over and
over
what is frequency - correct answer ✔number of vibrations per second
what is period - correct answer ✔time to complete one cycle (per second)
the stadium wave example - correct answer ✔transverse waves
what is a transverse wave - correct answer ✔particles move perpendicular to
wave motion
what is a longitudinal wave - correct answer ✔particles move parallel to
wave motion
waves can ____ through each other - correct answer ✔pass
resonance occurs when - correct answer ✔the driving force matches the
natural frequency
microwave example (resonance) - correct answer ✔light waves pass through
the food which has water in it, friction is built up and heat is produced