Diffusion: Revision Notes
Diffusion is the movement of a substance from an area of high concentration to an area of lower concentration. Diffusion occurs in liquids and gases when their particles collide randomly and spread out.
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Simplifying Algebraic Equations
In order to understand anything in algebra, you have to have an understanding of what a term is. Terms are the building blocks of algebraic equations.
Mitosis Revision Notes and Practice Quiz
The mitosis process produces two identical diploid cells for the purpose of growth and repair after cell division.
Osmosis Quiz
The osmosis process involves the movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low concentration.
Active Transport Revision Notes and Practice Quiz
By moving through the cell membrane, substances can enter and leave the cell. Three of the most common types of movement are diffusion, osmosis, and active transport.
Percentages: Maths
To get you introduced to percentages, we will go through 3 different types of percentage questions that come up in GCSE Maths.
Microscopy: Biology
Microscopy is an essential tool for scientific research and analysis, allowing us to observe and study objects that are too small to be seen with the naked eye. GCSE Science students must understand the principles of microscopy and the different types of microscopes and their uses.
Formulas & Equations P1
An equation says that two things are equal. It will have an equals sign "=" like this: x + 2 = 6. A formula is a rule in maths.
Estimation in Arithmetical Calculations P2
To estimate means to find something close to the correct answer. Learn how to use estimate values in this lesson. It can help.
Estimation in Arithmetical Calculations P1
To estimate means to find something close to the correct answer. Learn how to use estimate values in this lesson. It can help.
Exchange Rates P2
When going abroad you need to change money to the currency of the country you are visiting. Learn how to use exchange rates.
Exchange Rates P1
When going abroad you need to change money to the currency of the country you are visiting. Learn how to use exchange rates.
Formulas (Higher) P2
Formulae are used in everyday life, from working out areas and volumes of shapes to converting units of measurement.