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The best way to learn vocab is little and often. Having a notebook to write down any new words you come across helps you to have everything in one place. Every time you fill a page you could test yourself...

Magnitude:
Find the square root of 3^2+5^2=root of 34=5.83N (3sf)
Direction:
Draw a triangle with 3N at the bottom, 5N going up and the hypotenuse then represents the resultant force.The di...

A covalent bond in an intramolecular bond which occurs when a pair of electrons is shared between two elements, usually two non-metals. The electrons shared are in the outer shell of the atom of each elem...

Chlorophyll is vital for photosynthesis, which is how the plant makes glucose for energy. If there is less photosynthesis, there will be less glucose made and so less energy released for growth. Glucose i...

The Biuret test is a test for protein, which detects for the presence of protein bonds. In the test, Biuret reagent (sodium hydroxide, hydrated copper (II) suphate and sodium tartrate) is added to the liq...