Sound: String Length and Pitch | Virtual Science Teachers

Sound: String Length and Pitch

Pluck the strings of a virtual harp to investigate what makes a sound high or low.

Investigate this question

How does the length of a harp string affect the pitch (frequency) of the sound it makes?

Explore the harp and collect data

What to do

  1. Pluck at least five strings using the harp or note buttons. Include the longest and shortest.
  2. Compare each string's length and frequency. Observe the wave or listen to the optional sound.
  3. Find the pattern in your data, then open the Explain with CER tab.

Display and sound

Medium

Changes vibration size and loudness, but not pitch.

Sound is optional. Compare the frequency values if audio is unavailable.

Choose a string

Select several notes to build your data table.

Measurements and data

Length
Not selected
Frequency
Not selected

Pluck a string to start collecting data.