Snowflake

Fold the paper here and there, chip one or two with the scissors. This is all you need to create something fantastic that looks like a snowflake.

Dancing coin

This video demonstrates the expansion of gases with the help of a bottle and a coin.

The history of lighting

Nowadays it is perfectly natural to turn on the lights. But it has not always been that way.

Resonating air column

The amplified sound of the tuning fork indicates that the tuning fork causes the air column in the tube to resonate, producing a standing sound wave.

Upside-down glass of water

This video demonstrates that the force resulting from air pressure acts upwards too.

The effects of flowing waterbodies in the mountains

The greater the discharge and speed of the water, the stronger its surface-shaping force.

Giant rivers at the Equator

The largest rivers on Earth are found in the tropical zone.

Nets of a cuboid

This animation demonstrates the different nets of a cuboid and includes a game.

Cuboid

A cuboid is a polyhedron with six rectangular faces.

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