Topic 3 Science Vocabulary

Front

What is a disturbance that travels in a pattern and carries energy?

Back

wave

Front

What is the term for the number of times a wave repeats itself in a certain amount of time?

Back

frequency

Front

What part of a device sends radio signals?

Back

transmitter

Front

What do we call a message transmitted through a medium?

Back

signal

Front

What is the term for the action of bouncing off of an object?

Back

reflect

Front

What is the speed of a wave in a vacuum?

Back

The speed of light, approximately 299,792 kilometers per second.

Front

What is the relationship between wavelength and frequency in a wave?

Back

They are inversely related; as frequency increases, wavelength decreases.

Front

What is the phenomenon called when a wave changes direction as it passes from one medium to another?

Back

refraction

Front

What is the term for the maximum displacement of points on a wave from its rest position?

Back

amplitude

Front

What type of wave requires a medium to travel through?

Back

mechanical wave