Soundwaves and Diagrams

What does number 1 represent on the diagram?

• Crest
• Trough
• Amplitude
• Wavelength

What does number 2 represent on the diagram?

• Crest
• Trough
• Amplitude
• Wavelength

What does number 3 represent on the diagram?

• Crest
• Trough
• Amplitude
• Wavelength

What does number 4 represent on the diagram?

• Crest
• Trough
• Amplitude
• Wavelength

Frequency refers to the numbers of waves / vibrations per second.  Which of these waves has the highest frequency?

• The wave on the left
• The wave in the center
• The wave on the right

Frequency refers to the numbers of waves / vibrations per second.  Which of these waves has the lowest frequency?

• The wave on the left
• The wave in the center
• The wave on the right

Will these two soundwaves have different volumes or different pitches?

• Different volumes
• Different pitches

Frequency of a soundwave is related to the pitch of the sound.  Which of these waves would make a low pitched sound?

• The wave on the left
• The wave in the center
• The wave on the right

True or false. High frequency waves have shorter wavelengths.

• True
• False

Frequency of a soundwave is related to the pitch of the sound.  Which of these waves would make a high pitched sound?

• The wave on the left
• The wave in the center
• The wave on the right