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Elephants

Find out the difference between the two species of this magnificent animal: the African and Asian elephants.

Rock-paper-scissors

In rock-paper-scissors, the least popular choice of players is paper. But is it really the weakest of the three?

Traditional riders

The tradition of horse riding has a very long history. Even today riders often put on authentic costumes.

String saw

In this experiment we prove that it is possible to cut a bottle with just a string.

Paper boat

Let’s make a boat from a few pieces of colourful paper and a straw!

Dynamo

A bicycle light can be used with not only batteries, but it can be operated with our own muscle power as well. Let's see exactly how it works.

Camping

Camping is a perfect outdoor recreational activity. A popular form of camping is wild camping, however, this is illegal in some countries.

Tourism

Tourism has been gaining popularity since the 19th century. Among the most popular destinations are Paris, Rome and United States.

The unforeseen consequences of mining

Mining is an important sector of the economy but it can cause irreversible damage to the environment.

Pine

Pines are conifer trees characteristic of the taiga. The timber of pine trees is a popular raw material in the furniture industry.

After the peace agreements

A summary of events right after the peace agreements that put an end to World War I.

Fruit batteries

Electric current of small voltage can be created by using fruit, similarly to the Daniell cell.

Water cycle

Water on the surface of the Earth is almost never completely still. Its place and state changes constantly. Let’s watch this cycle.

Industrial city

The quality of life in industrial cities is often poor, and air pollution is high. Establishing industrial parks could provide the solution to these problems.

The art of camouflage

During evolution numerous creatures learnt to adapt to their environment, for example by camouflage.

Lake

A lake is a body of still water surrounded by land. The majority of lakes contain freshwater. On a geological scale their lifespan is relatively short.

Stave church

There are a number of Viking stave churches in Norway that were once erected in honour of Viking gods.

The terrestrial planets

The terrestrial planets in our Solar System are the four planets closest to the Sun. They are made up of rocks and metals and have hard surfaces.

Re-lighting a candle

Can a candle be re-lit if the flame of the match does not even touch it?

Liquid magnifier

Make a magnifying glass using a jar, some cling foil and a few drops of water.

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