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Chemistry

Acids and Alkalis

When mixed with water, acid and alkalis produce hydrogen and hydroxide ions, respectively. These chemicals are corrosive and should be kept away from the skin…
Adam Duhamel
12 August 2022
Chemistry

Metallic Bonding GCSE

In metallic bonding, electrostatic attraction between negative electrons and positive metal ions bonds the metal together. The lattice structure with free electrons allows metals to…
Adam Duhamel
24 July 2022
Biology

Enzymes and Nutrition

Enzymes are catalysts for biological reactions, including one which we are all familiar with, digestion. When we consume foods we are asking our bodies to…
Adam Duhamel
22 July 2022
Chemistry

Enzyme Action

Enzymes are proteins that act as biological catalysts. This means that they speed up useful reactions in the body, without being used up. Enzymes are…
Adam Duhamel
22 July 2022
Biology

Classification Systems

People have been studying the natural environment since the days of Aristotle and we have learned much about organisms by watching, dissecting and studying them.…
Adam Duhamel
22 July 2022
Biology

Carbon Cycle

The carbon cycle is the process that moves carbon around the Earth, through different physical, chemical and biological stores. Carbon is temporarily stored in the…
Adam Duhamel
22 July 2022