Ch. 7 Lesson 1: What are Waves
compressions
In longitudinal waves in a spring, the parts where the coils are close together are called
rarefactions
In longitudinal waves in a spring, the parts where the coils are spread out are called
Longitudinal
A _____________________________ wave moves the medium in the same direction as the wave travels.
Right
A transverse wave moves a medium at a(n) _____________ angle
circle
Each particle of water in an ocean wave moves in a __________.
vibrate
Mechanical waves form when a source of energy causes a medium to _______
crests
The highest parts of a transverse wave are called
troughs
The lowest parts of a transverse wave are called
Longitudinal
The three types of mechanical waves are transverse waves, surface waves and _____________ waves.
Electromagnetic
Waves that can travel with or without a medium are called _____________________ waves