Mites are small invertebrates from the group Arachnida, the same group as spiders. Many people are not aware of the mites around them, as most mites are microscopic. Mites as…
To grow crystals, you need to start with a saturated solution – water that has as much, sugar, salt or whatever crystal ingredient dissolved in it as it possibly can….
Many people feel that they have to travel to the countryside to see flowers and trees, but according to a study in Germany in 2008, there are more different species…
Chemistry uses chromatography to separate mixtures of chemicals. The word chromatography comes from the Greek words for ‘colour’ and ‘to write’. Paper chromatography is a simple form of chromatography, and…
Rubber is a natural product made from latex. Many plants, including dandelions, produce latex but most of the world’s latex, the key ingredient of rubber, comes from the rubber tree,…
Oil and water don’t mix – they are described as ‘immiscible’. Crude oil floats on the sea after a spill from a tanker. Motor oil shows up as a sheen…
Different parts of the country have soft or hard water. Hard water is water that has travelled through certain types of rock, including limestone, chalk and dolomite, and has forms…