The red panda

The red panda, also known as the lesser panda, is a relative of the black-and-white giant panda bear. Its home is the foothills of the Himalayas.

The surface tension of liquids

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

Mixing substances, separating mixtures 1

The method of separation of substances in a mixture depends on their different properties.

Like dissolves like

Non-polar substances dissolve in non-polar solvents while polar substances dissolve in polar solvents.

The effect of temperature on chemical equilibrium

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

Alcohol oxidation

Examining the colour of a piece of copper when exposed to heat and then ethanol vapour.

The viscosity of liquids

Have you ever thought about why honey flows so slowly from a spoon compared to water?

Baking soda bomb

Have some fun with a harmless little bomb you can make at home.

Mixing substances, separating mixtures 2

Separating mixtures if one of the substances dissolves in water.

Bending a jet of water

A surprising phenomenon occurs when we hold a statically charged ruler near water flowing from a tap.

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 pollution of natural waters

Water is one of our key natural resources; we must protect it vigorously.

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 Alps

The Alps are the highest fold mountain range in Europe. They stretch from the Rhône valley to the Carpathian Basin. They are part of the chain of mountain...

The effect of concentration on chemical equilibrium (observation)

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

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