Curated Video
How to use BODMAS (Order of Operations) #2
This video looks at how to use BODMAS (also called BIDMAS), which tells you the order in which you should do all the operations, like brackets, order, division, multiplication, addition and subtraction. We also run through 2 examples to...
Curated Video
How to Multiply and Divide Fractions #10
In this video we cover how to multiply and divide fractions, as well as running through a few examples. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your course
Curated Video
How to find the Highest Common Factor #7
This video covers how to find the "Highest Common Factor" of a group of numbers. We cover 2 methods. The first is the easier method, which involves listing out the factors of each number and picking the highest factor shared by all the...
Curated Video
How to Convert Number into Standard Form (Part 2/4) #24
This video covers how to covert normal numbers like 350 into standard from numbers like 3.5x10^2. This is part 2 in our 4 part series on standard form. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher - All on...
Curated Video
How to Convert Decimals to Percentages (Proportions part 4/6) #16
In this video we cover how you convert decimals to percentages, which we can do by multiplying them by 100. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your course
Curated Video
How to Add or Subtract Numbers in Standard Form (Part 4/4) #26
This video covers how to add and subtract numbers when they're in standard from like 4x10^2 + 5x10^3. This is part 4 in our 4 part series on standard form. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher - All...
Curated Video
GCSE Physics - X-Rays and Gamma Rays #68
This video covers: - How x-ray machines work - How gamma rays are used to sterilise food and medical equipment - The pro's and con's of using radiation Exam board specific info: AQA - Everything is relevant to your course! IGCSE Edexcel...
Curated Video
GCSE Physics - What is Pressure? #48
This video covers: - What pressure is - How to calculate it using the equation: p = F/A General info: - Suitable for all GCSE and IGCSE courses - See below for whether it is higher or foundation tier for your exam board - See below for...
Curated Video
GCSE Physics - Visible and UV Light #67
This video covers: - The different colours of visible light - How light is used is optical fibres - The concept of fluorescence with ultraviolet radiation - How ultraviolet radiation can be used in security General info: - Suitable for...
Curated Video
GCSE Physics - The difference between Speed and Velocity & Distance and Displacement #51
This video covers: - The difference between scalar and vector quantities - Why speed is scalar, but velocity is a vector - The difference between distance and displacement - How to calculate speed and velocity - Common speeds you need to...
Curated Video
GCSE Physics - Scalar and Vector Quantities #41
This video covers: - The difference between scalar and vector quantities - Examples of each - An case study using distance vs displacement General info: - Suitable for all GCSE and IGCSE courses - Suitable for higher and foundation tiers...
Curated Video
GCSE Physics - Moments - Gears and Levers #47
This video covers: - How the idea of moments applies to levers - How gears use moments General info: - Suitable for all GCSE and IGCSE courses - See below for whether it is higher or foundation tier for your exam board - This is triple...
Curated Video
GCSE Physics - Microwaves and Infrared #66
This video covers: - How microwaves are used to heat food - How microwaves are used in satellite communication - The idea that hotter objects emit more infrared radiation - How we use infrared radiation to cook things General info: -...
Curated Video
What is Diffusion? How Does it Work? What Factors Affect it? #7
This video covers - What diffusion is - How it works - How it applies to cell membranes - The 3 factors that affect the rate of diffusion (concentration gradient, temperature, surface area) Exam board specific info: KS3 All relevant to...
Curated Video
Real Life Uses of Fractions - How to Find a Fraction of a Whole Number #12
In this video we look at how to use fractions in real life, including: - How to find a fraction of a whole number - How to write one number as a fraction of another KS3 - All on your course GCSE Foundation - All on your course GCSE...
Curated Video
How are Proteins Made? - Transcription and Translation Explained #66
This video covers: - The two steps of protein synthesis: transcription and translation - Transcription is the production of mRNA, which is a copy of a gene - Translation is the production of a sequence of amino acids (a polypeptide)...
Curated Video
GCSE Physics - Visible Light and Colour #71
This video covers: - Why objects appear the colour they do - What happens when light is absorbed, reflected and transmitted - What makes objects appear opaque, transparent and translucent - How colour filters work Exam board specific...
Curated Video
GCSE Physics - Ultrasound #74
This video covers: - The idea that ultrasound is just sound with a frequency over 20,000 Hz - How we can generate ultrasound - How we use ultrasound to view foetuses in prenatal scanning - How we use ultrasound to check the quality of...
Curated Video
GCSE Physics - The Life Cycle Of Stars / How Stars are Formed and Destroyed #84
This video covers: - How stars form, live and die - How they transition between a nebula, protostar, main sequence star - And then either red giant, white dwarf and black dwarf - Or red super giant, supernova, and then neutron star or...
Curated Video
GCSE Physics - Specific Latent Heat #29
This video covers: - The idea that the temperature of a substance is just the average of the internal energy of all the particles it's made of - The concept of specific latent heat - The specific latent heat of vaporisation - The...
Curated Video
GCSE Chemistry - Crude Oil and Fractional Distillation #53
In this video, you'll learn: - How crude oil is formed - How crude oil is separated using fractional distillation - The process of fractional distillation - Some of the common products of fractional distillation, and their uses
Curated Video
GCSE Biology - What is DNA? (Structure and Function of DNA) #65
This video covers: - The structure of DNA - What nucleotides are - Complementary base pairing - How genes code for proteins - The functions of proteins Exam board specific info: (probably useful for everyone though) AQA - Separate/triple...
Curated Video
GCSE Biology - Family Trees / Family Pedigrees #74
This video covers: - What family trees are and how they work - How to use keys - The example of cystic fibrosis - How to use family trees to predict the chance of a disease being inherited Exam board specific info: AQA - Everything is...
Curated Video
Biology - Structure of the Kidneys - (Kidneys Part 2/3) #28
This video covers: - The structure of the kidneys and urinary system - The structure of the nephron - How filtrate is filtered from the glomerulus to the Bowman's capsule - Which substances are reabsorbed from the tubules into the blood...