Putting a candle out with carbon dioxide

What should we look out for in wine cellars? In this experiment we produce carbon dioxide with vinegar and baking powder.

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Ubådsoperation

Ubåde dykker og kommer tilbage til overfladen ved at ændre skrogets gennemsnitlige tæthed.

Archimedes' seesaw

In this experiment, we use buoyancy to study the balance of two glasses of water.

Seconds pendulum

How can this pendulum accurately measure time in seconds?

Project Garage Band

Let's make musical instruments.

Karakteristik af lydbølger

Denne animation forklarer de vigtigste karakteristika ved bølger gennem lydbølger.

Termisk udvidelse af broer

Længden af ​​broerens metalrammer ændres, når temperaturen ændres.

Sound waves all around us • Part 2

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

Games Playing with sounds

This lesson introduces some basic ideas about sound.

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