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Strand E: Waves and Sound

Michael Leger standing in front of a boat tied to dock.

Michel Leger (he/him/they)

Career Profiles

Hydrographer

I use sound and light to measure, describe and map the ocean floor.
Olivia Ivany headshot outside with trees and green field in background

Olivia Ivany

Career Profiles

Diagnostic Medical Sonographer

I perform different kinds of ultrasounds on different parts of the body.
Ashley Noseworthy avec l'océan derrière elle

Ashley Noseworthy

Career Profiles

CEO/Founder of Edgewise Environmental

I own and operate an environmental consultancy that helps companies reduce their underwater noise pollution.
Cuvier's beaked whales

Are Whales Beaching Themselves Stressed By Sonar?

STEM Explained

Read about why sonar could be causing some whales to beach themselves.

Amy King dans un studio d'enregistrement

Amy King

Music Producer / Recording Engineer

Amy King is a Music Producer / Recording Engineer for Grant Avenue Studio.
Ultrasound treatment on knee

Ultrasonography

Backgrounders

Learn about the history, function, uses, benefits and risks of Ultrasonography as a medical imaging technology.

Sound waves

What is Sound and How do we Hear it?

Backgrounders

Learn how sound travels in waves and how it is measured in this backgrounder.

​​​​​​​The Electronic Sackbut Synthesizer

Who Created the Electronic Synthesizer?

STEM Explained

A Canadian researcher built the first voltage-controlled synthesizer in the 1940s.

 Sound waves and sound-producing devices. Image © jop_pop, istockphoto.com

Sound vs. Noise

STEM Explained

What is the difference between sound and noise? How do they affect your hearing? And is noise always a bad thing?

Replica of the earliest wooden model stethoscope

Stethoscope Replica

Interactives

Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!

How does sound travel?

How does sound travel?

Hands-on Activities

Try out this cool activity to hear sound vibrations.