Hertz
One wave per second
Node
A point on a standing wave that has no displacement from the rest position
Antinode
A point of maximum amplitude on a standing wave
Wavelength
Horizontal distance between the crests or between the troughs of two adjacent waves
Frequency
How many waves pass a given point per second
Electromagnetism
The interaction between electricity and magnetism
Speed of Light
300,000 km/s
Infrared Light
Invisible light and gives us heat
Ultraviolet
Electromagnetic waves of frequencies higher than those of violet light.
Microwave
Very short electromagnetic wave
Radio Wave
Electromagnetic waves with the longest wavelengths and lowest frequencies