NGSS MS-PS 4-3 Waves and Their Applications Analog vs. Digital
Power Point covering PS 4-3 analog vs. digital waves.
Defines wave, electromagnetic wave, signal, hertz, analog signal, and digital signal. Gives examples of signals, describes pitch, describes AM and FM radio signals. Explains why waves carrying digital signals are a more reliable way to encode and transmit information than using waves to carry analog signals. Covers how digitization has advanced science and scientific investigations with examples.
Could be edited for younger or older students.
Check out my worksheet MS-PS-4-3 to check for understanding on TPT.