Understanding Waves for Grade 8

Front

Definition of wave

Back

A disturbance that transfers energy through matter or space

Front

Medium

Back

Material through which a wave travels

Front

True or False: Waves transfer matter.

Back

False

Front

Wavelength

Back

Distance between two consecutive crests or troughs

Front

Frequency

Back

Number of waves passing a point per second

Front

Amplitude

Back

Height of a wave from rest position to crest

Front

True or False: Sound waves are mechanical waves.

Back

True

Front

Transverse wave

Back

Wave with oscillations perpendicular to direction of travel

Front

Longitudinal wave

Back

Wave with oscillations parallel to direction of travel

Front

Crest

Back

Highest point of a wave