Year 8 - Light and sound

Select the value being indicated on this wave

• Wavelength

• Frequency

• Amplitude

Select the value being indicated on this wave

• Wavelength

• Frequency

• Amplitude

Select the correct definition of the term "frequency"

• How quickly a wave is travelling

• The number of waves passing a point every second

• The distance between the bottom and top of the wave

Select the unit for frequency

• Decibels

• Hertz

• m/s

Select the correct definition of the term "wave speed"

• How quickly a wave is travelling

• The number of waves passing a point every second

• The distance between the bottom and top of the wave

Select the unit for wave speed

• m/s

• meters

• m²

Waves are caused by particles vibrating, either moving up and down or side to side. Select the scientific term for these vibrations.

• Hertz

• Frequency

• Oscillations

Select the type of wave where oscillations are perpendicular (at right angles) to the direction of travel

• Longitudinal

• Transverse

Select the type of wave where oscillations are parallel (in the same direction) to the direction of travel

• Longitudinal

• Transverse

Select the example of a longitudinal wave

• Waves on a beach

• Sound waves

• Light waves