Strand C: Light and Sound

Ever wondered why we have two eyes (and not one, three or more)? Find how your two eyes work together in this hands-on activity.

Explore how we see things far and near and from different angles. It's all about perspective!

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

Find out what happens if you spin the colours of the rainbow in this hands-on activity.

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

Students will learn about and explore the properties of sound through activity centres.

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

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

7 images of some objects that can reflect light such as mirrors, Mylar balloons and water

What does light have to do with colour? Observe some colourful fruit under different conditions to learn why we see the colours we see!

Try out this cool activity to hear sound vibrations.

How is light connected to the colours we see? In this STEAM activity make a colourful light catcher and discover why we see different colours?

Explore the concept of persistence of vision in this hands on activity.

How does the human eye see visible light as colour? And why do some people see more colours than others?

Students will learn about the properties of sound as they design, test and build a musical instrument.