Science Buddies
Example Score Calculation for the 2024 Science Buddies Engineering Challenge
Build a rubber band-powered car in this fun engineering challenge!
Curated Video
Heisenberg's Uncertainty principle : The Limits of Precision
Werner Heisenberg proposed Heisenberg's Uncertainty Principle in 1927, which states that measuring a particle's momentum and position at the same time with accuracy is not possible. One can know a property less precisely the more...
Curated Video
Maximizing Space The Science of Packing Efficiency
Maximizing Space: The Science of Packing Efficiency" Packing efficiency, also known as packing fraction or atomic packing factor, is a measurement of how efficiently atoms or particles are packed in a crystal structure. Magnetic Might:...
Curated Video
Calculating 25%, 50% and 75% of a Number
This video demonstrates how to calculate percentages like 50%, 25%, and 75% of a number. You'll start by finding 50% as a starting point, then use it to work out 25% and 75%. Clear, step-by-step examples will guide you through these...
Curated Video
Using 1% and 10% to Find Percentages of a Number
This video shows how to calculate percentages using 1% and 10% as starting points. You’ll learn to break down percentages by first finding 10%, then 1%, and building from there. Step-by-step examples will help you master these methods...
Curated Video
Using 10% to Find Percentages of a Number
This video demonstrates how to calculate percentages using 10% as a starting point. You'll learn how to break down percentages by first finding 10%, then building on it. Clear, step-by-step examples will guide you through these...
Curated Video
An Introduction to Percentages
This video introduces percentages, explaining what they are and how they represent parts of 100. You'll see percentages visualised on a 100-square grid and learn how to solve missing percentage problems with clear, step-by-step examples
Veritasium
Is Dust Mostly Dead Skin?
Around half of airborne dust particles under 100um are skin scales. This is true for climates, regions and seasons where people live mostly indoors. The 1 to 2g of skin scales shed each 24 hours will end up in places where people are...
Curated Video
Warning: You're Probably Factoring out Negative Numbers WRONG
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor out a negative number in an algebraic expression.
Curated Video
How to Multiply this Fraction to this Decimal Number
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go through how to multiply a fraction to a decimal number step-by-step.
Curated Video
Help! I need to subtract these Fractions!
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to subtract these mixed numbers.
Curated Video
Factoring Out Coefficients Made Simple
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go show you step-by-step how to factor out a coefficient in an algebraic expression.
Curated Video
Are You Solving Complex Fractions the Wrong Way?
Whether you're just starting out, or need a quick refresher, this is the video for you! Mrs. C will go through how to solve and simplify complex fractions step-by-step.
Curated Video
Gradients: Fold Mountains
Discover how the steep gradients of fold mountains are created from parallel flats, as angles build by degrees. Maths - Space A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films show abstract...
Curated Video
Fibre Optics
Light can be transported over huge distances via fibre optic cables, losing virtually no information. How is this possible? Physics - Waves - Learning Points. Fibre-optic cables carry information from our phones and computers as light. A...
Curated Video
Fractals: The Koch Snowflake
The characteristics of Koch's mathematical fractal are produced by following a set of simple rules, which result in an infinitely reducing pattern. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Ratios: Currency Exchange
Why are currencies worth different values, and how do you calculate the cross-currency value of your money? Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract...
Curated Video
Ratios: The Maths of Baking
How would you bake the world's biggest cake? The same way as a small one... in ratio, but with increased measures. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show...
Curated Video
Fractions: Pythagorean Tuning
How fractions are used in music – and Pythagoras built a whole musical scale based on fractions! Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts...
Curated Video
Can Monkeys Write Shakespeare?
The Infinite Monkey Theorem states that a monkey hitting a keyboard an infinite number of times will, at some point, end up typing the works of Shakespeare. Find out how to calculate the probability of independent events, and how many...
Curated Video
Fractional Distillation - Crude Oil Separation
Learn how the industrial process of fractional distillation transforms crude oil into a variety of products, from plane fuel to road surfacing. Chemistry - Chemical Industries - Learning Points. Extraction of crude oil from Fractional...
Curated Video
Fractional Reserve Banking
Find out what happens to your money when you deposit it in a bank: while the bank must hold on to some reserves, far more is lent out. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...
Curated Video
The Birthday Paradox
How many people do you need to have in one room to be sure that two will share the same birthday? The answer is not as high as you might think... Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
The Egyptians and Unit Fractions
How the Egyptians used the Eye of Horus to denote parts of the whole – and why they avoided vulgar fractions. Maths - History Of Maths A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films...