Haber Process
The Haber process is the process by which Ammonia is produced. Simply put, it involves combining Nitrogen and Hydrogen together …
Carbon Cycle
The carbon cycle is simply the process by which Carbon Dioxide is put into and removed from the atmosphere. This …
Water Purification
There are 3 main processes undertaken in the water purifying process: Filtration Bacterial Oxidation Chlorine Treatment The different stages are …
Water Softening
Temporary Hard Water This is caused by calcium or magnesium hydrogen-carbonate. It can be removed by boiling the water. Ca(HCO3)2 (aqueous) …
Scum Formation
Soap contains salts such as sodium stearate and sodium palmitate and when calcium ions in hard water mix with soap, …
Hard Water
Hard water does not produce as much lather as soft water when it is used with soap and also an …
Home learning workbooks and activities
We have dug out a few home learning activity books on Amazon for you. There are plenty more out there, …
Leaf Structure
1. Waxy Cuticle – Forms a waterproof layer to stop any loss of water. 2. Upper Epidermis – Consisting of epidermal cells. These have …
Transportation in a Plant
The following diagram shows the structure inside the stem of a plant. This is how water, sugars, and minerals are …
Human Kidneys
The kidneys have an important role to play in homeostasis in humans. They filter out the urea, and excess minerals …