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.
Stem Cells Quiz
Undifferentiated cells are cells that haven't yet changed to become specialised for a particular task. They are called stem cells.
Angles Quiz P2
Angles are measured in degrees, written °. The maximum angle is 360°. This is the angle all the way around a point.
Fractions P1
Fractions are used commonly in everyday life, eg sale prices at 1/3 off, or recipes using 1/2 a tablespoon of an ingredient.
Linear Equations Word Problems P2
Linear equations are equations of the first order. These equations are defined for lines in the coordinate system.
Congruence P1
Congruent shapes are identical but maybe reflected, rotated or translated. It is useful to know when triangles are Congruent.
Multiplying and Dividing Algebra
In this section we are going to look at multiplying and dividing in algebra. Here are a few simple rules to help you get started with multiplying algebra. It is very similar to multiplying numbers.