9

Wavelength, Frequency & Sound

Advanced Interactive Laboratory

Explore the fascinating science of sound through interactive simulations, experiments, and animations. Adjust waves in real-time, create your own sounds, and discover how your ears work!

Advanced Wave Simulator

Frequency (Hz)

200 Hz

Wavelength (m)

1.5 m

Amplitude

50

Wave Type

Sine Wave Square Wave Sawtooth Wave Triangle Wave

Sound Laboratory

Oscillator 1

440 Hz

Sine Square Sawtooth Triangle

Oscillator 2

660 Hz

Sine Square Sawtooth Triangle

Interactive Ear Model

Click on an ear part

Click on different parts of the ear to learn how they work!

Sound Comparison Tool

Sound Type	Frequency Range	Wavelength (in air)	Example	Hear It!
Human Speech	85 Hz - 255 Hz	1.3 m - 4 m	Conversation
Piano	27.5 Hz - 4186 Hz	0.08 m - 12.5 m	Middle C (261.6 Hz)
Dog Whistle	23,000 Hz - 54,000 Hz	0.006 m - 0.015 m	Ultrasonic
Earthquake	0.001 Hz - 10 Hz	34 m - 340,000 m	Infrasound

Virtual Experiments

String Length & Pitch

See how changing the length of a vibrating string affects its pitch.

Water Xylophone

Adjust water levels in virtual glasses to create different notes.

Speed of Sound

Measure how fast sound travels through different materials.

Sound Science Quiz

What happens to the wavelength when frequency increases?

Wavelength increases

Wavelength decreases

Wavelength stays the same

Wavelength becomes zero

Chapter 9 Complete!

You've mastered the science of wavelength, frequency, and sound!

Keep exploring the amazing world of sound waves and vibrations!