Sound

LI 4.1: Investigate the characteristics and physical properties of natural and artificial sources of light in the environment.

LI 4.2: Analyze how light interacts with different objects and materials to create phenomena such as shadows, reflection, refraction, and dispersion.

LI 4.3: Assess personal, societal, and environmental impacts of light-related technological innovations including optical devices.

Unit Launch

Instrument Categories

Sound Vocabulary

What is sound?

How are Instruments Classified?

The Human Ear

Interactive ear tool

How the Ear Works

How do Instruments Change Pitch?

Pitch

Echo

Sonar Mapping

"seeing" Ocean Floor

Hearing Frequencies

Decibels

Ultrasound

Measuring Sound