Waves Flashcard 8th grade

Front

What is a wave?

Back

A wave is a disturbance that transfers energy from one place to another without transferring matter.

Front

What is wavelength?

Back

Wavelength is the distance between two consecutive crests or troughs in a wave.

Front

What is amplitude?

Back

Amplitude is the maximum height of a wave from its rest position, indicating the energy of the wave.

Front

What is frequency?

Back

Frequency is the number of waves that pass a point in a given amount of time, usually measured in Hertz (Hz).

Front

What are mechanical waves?

Back

Mechanical waves are waves that require a medium (solid, liquid, or gas) to travel through.

Front

What are electromagnetic waves?

Back

Electromagnetic waves are waves that can travel through a vacuum and do not require a medium, such as light waves.

Front

What is a crest in a wave?

Back

A crest is the highest point of a wave.

Front

What is a trough in a wave?

Back

A trough is the lowest point of a wave.

Front

What is the difference between compression and rarefaction?

Back

Compression is a region in a longitudinal wave where particles are close together, while rarefaction is a region where particles are spread apart.

Front

What are radio waves?

Back

Radio waves are a type of electromagnetic wave with the longest wavelengths and lowest frequencies.