Steam turbine

A drink can, water and a Bunsen burner can be used to create a special steam turbine.

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Straw flute

Observe what happens when making sounds with shorter and shorter pieces of the same straw.

Let's measure time!

This lesson presents timekeeping devices and the types and units of time measurement.

Sound waves all around us • Part 2

In this lesson you will learn more about how sound propagates.

Exceeding the speed of sound

What is the speed of sound? What happens when an object exceeds the speed of sound?

Weightlessness

A spacecraft on its path is in a constant state of free fall.

Pitch and frequency, Part I

Experience the relationship between pitch and frequency through measurements.

The physics of submarines

This lesson presents the concepts of density and buoyancy through the operation of the...

What do you know about speed?

This lesson presents the concept of speed.

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