Sound
How is sound made?
vibrations
How does energy travel?
Waves
What kind of mechanical wave is a sound wave?
longitudinal
What is the power to make things work, move, grow, and change?
energy
How does sound travel?
What type of energy wave needs a medium in order to travel?
mechanical waves
What type of mechanical waves are in the ocean?
surface waves
What is the number of waves in one period of time?
frequency
The pitch
What type of energy wave does not need a medium in order to travel?
electromagnetic waves
What is the distance from the starting point of a wave to a peak or trough?
amplitude
What does sound need in order to travel?
What mechanical wave carries energy parallel to the direction of travel?
longitudinal
sound waves
What is the part of a sound wave where the particles are dense called?
compression
What type of mechanical wave carries energy perpendicular to the direction of travel?
transverse
What is a change in an object's position?
motion