The surface tension of liquids

We observe whether a razor blade can float on the surface of different liquids.

The reaction between aluminium and iodine

Catalysed by a few drops of water, aluminium reacts with iodine.

The effect of pressure change on chemical equilibrium

Examination of dissolved carbon dioxide in a bottle of carbonated water.

The blackberry

Trees and bushes in the forest can produce various tasty fruits. One of the most popular fruits to grow in the wild is the blackberry.

The effect of temperature on chemical equilibrium (observation)

Change in the colour of the cobalt(II) chloride solution due to heating and cooling.

Religions

Religion forms a part of our daily lives. It determines the fabric of society, the culture, and consumption patterns. 84% of the world population is religious.

The effect of concentration on chemical equilibrium (observation)

Examining the colour of cobalt(II) chloride in water and hydrochloric acid.

The surface tension of liquids (observation)

We observe whether a razor blade can float on the surface of different liquids.

The African penguin

Penguins do not only live in regions with freezing temperatures. They can also be found in the warmer temperate zone.

The African savannah

The largest contiguous savannah in the world is in Africa. It covers about one-third of the continent.

The pine family

Members of pine family compromise 30% of the world's forests. Although globally widespread, they prefer regions with cool and rainy climates.

Grand Canyon

Explore the beauty of the famous national park in the USA.

European Conquests of the Americas

After 1492, the Americas were invaded by European conquerors, who overwhelmed the Native Americans, although they were heavily outnumbered. How could so few...

Rising water

Another cool but easy science experiment you can do at home.

How high can we build?

What is the potential maximum height that a man-made building or structure can reach?

The Eagle’s Nest

The landscape is quite picturesque. Mountains and lakes as far as the eye can see. Location: The Southeastern corner of Bavaria. Adolf Hitler’s secret...

Disaster tourism

Disaster tourism is the act of traveling to a disaster area as a matter of curiosity.

The Berlin Olympics

The 1936 Summer Olympics were held in Berlin, the capital of Germany.

The king, the wise man and the chessboard

Chess is without a doubt one of the oldest and most popular games. There are a number of legends of its origins.

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