Waves

Front

What type of waves do cell phones use to transmit and receive signals?

Back

Cell phones transmit and receive signals using high-frequency microwaves.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-5

Front

What are waves that can travel through a vacuum and do not require a medium called?

Back

Electromagnetic Waves.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Front

Which wave in a diagram typically has the greatest wavelength?

Back

The wave labeled as 3.

Tags

NGSS.HS-PS4-1

Front

What are the electromagnetic waves with the longest wavelengths called?

Back

Radio waves.

Front

What does Amplitude Modulation (AM) mean?

Back

A method of broadcasting signals by changing the amplitude of a wave.

Tags

NGSS.HS-PS4-5

Front

What is the definition of a wave?

Back

A wave is a disturbance that transfers energy through space or matter.

Front

What is the difference between mechanical waves and electromagnetic waves?

Back

Mechanical waves require a medium to travel through, while electromagnetic waves do not.

Front

What is frequency in the context of waves?

Back

Frequency is the number of waves that pass a given point in one second, measured in Hertz (Hz).

Tags

NGSS.HS-PS4-1

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive points of a wave that are in phase, such as crest to crest.

Tags

NGSS.HS-PS4-1

Front

What is the relationship between frequency and wavelength?

Back

Frequency and wavelength are inversely related; as frequency increases, wavelength decreases.

Tags

NGSS.HS-PS4-1