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
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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.
Bearings Quiz P2
Bearings are angles used in navigation. They are based on moving clockwise from due north. Learn sine and cosine rules.
Bearings Quiz P1
Bearings are angles used in navigation. They are based on moving clockwise from due north. Learn sine and cosine rules.
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.
Distance, Speed & Time Problems P2
Calculations involving distance, speed and time can be worked out using formulae. Calculations units used should be consistent.
Distance, Speed & Time Problems P1
Calculations involving distance, speed and time can be worked out using formulae. Calculations units used should be consistent
Formulas & Equations P2
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.