Overview

Grade 4 Science

Energy

11. Sound

11.1 Sound Properties, Pitch, volume, wave properties

Discover Sound: Pitch, Volume, and Wave Properties

You will explore how vibrations create sound and learn about pitch, volume, frequency, and the structure of sound waves.

What You'll Learn

You will learn that sound is energy created by vibrations.

You can identify pitch as high or low frequency sounds.

You will understand amplitude determines how loud sounds are.

You will explore compressions and rarefactions in sound waves.

What You'll Practice

You will answer questions about vibrations, pitch, and volume.

You will identify wave parts like amplitude and wavelength correctly.

You will compare how sound travels through different materials.

Why This Matters

Understanding sound properties helps you explain the science behind everything you hear, from music to animal communication to everyday noises around you.

This Unit Includes

1 Video lesson

Practice exercises

Learning resources

Skills

Sound Waves

Pitch

Volume

Frequency

Amplitude

ON Curriculum Aligned