The effects of flowing waterbodies in the mountains

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

Elephant toothpaste

We prepare a special “elephant toothpaste” with some hydrogen peroxide, liquid soap and food colouring.

Mobile flood barrier

A temporary movable wall designed to contain overflowing rivers or other waterways.

The conditions for rapid combustion

This experiement shows that combustion will not occur if any of the following is missing: combustible substance, oxygen or ignition temperature.

Plotting a parallel line at a given distance

Line e is given. Let’s plot a line parallel to line e 2 cm away.

The dandelion

Every March, children love plaiting wreaths of dandelions. Let’s find out more about this popular meadow plant.

The Baikal fault line

The deepest lake in Earth was formed in a rift valley created by the Baikal Rift Zone.

Test tutorial 5.

Let’s find out how to use the Test Editor tool.

Plotting points at a given distance from a line

Line e is given. Plot point P at a distance of 2 cm from line e.

Levitating magnets

This simple experiment demonstrates the phenomenon of magnetic levitation.

Hand-powered paper turbine

Let’s rotate a paper wheel with the heat of our hands.

Test tutorial 4.

Let’s find out how to use the Test Editor tool.

The pupillary light reflex

In strong light the pupil contracts, while in low light it dilates.

Taking better photos

If you already have your brand new camera but are not satisfied with the pictures you take, we will now help you navigate through the combinations of...

Travertine Terraces

Find out the secret of the unique beauty of travertine terraces.

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