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.
Cells Worksheets: Biology
Please download and print the PDF worksheet if you prefer to study using pen and paper. The worksheets have the same questions as the web-page version.
Dimensional analysis: how to use moles in chemical calculations
The chemical concept of a āmoleā is very important to be able to perform calculations in chemistry. Remember from your class that an atomā atomic weight refers to the number of grams in one āmoleā of that material. What exactly is a mole?
Fractions P2: Maths
Fractions are an important concept in mathematics, and understanding them is crucial for success in many areas of math. Knowing how to find equivalent fractions, simplify fractions, add and subtract fractions, multiply fractions, and divide fractions are fundamental skills for students to master.
Microorganism & Disease Quiz: Biology
Microorganisms that cause disease are called pathogens. They cause communicable (infectious) diseases. Pathogens can infect both plants and animals.
HCF & LCM P2: Maths
The Highest Common Factor (HCF) of two or more numbers is the largest number that divides evenly into all of them. The Lowest Common Multiple (LCM) of two or more numbers is the smallest number, a multiple of all of them.
HCF & LCM P1: Maths
HCF is the largest factor that divides two or more numbers exactly without leaving a remainder, while LCM is the smallest multiple common to two or more numbers. These concepts are related, and the HCF can be used to find the LCM of two or more numbers.