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GCSE Physics - Generator Effect / Electromagnetic Induction #81
This video covers: - The idea that the movement of a wire within a magnetic field induces a potential difference, and that this may lead to a current if the circuit is complete - How we can increase the size of the current - What happens...
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GCSE Physics - Particle Theory & States of Matter #26
This video covers: - What particle theory is (also known as kinetic theory) - How substances change from one state to another e.g. from solid to liquid - The idea that density doesn't change when substances changes state. General info: -...
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GCSE Biology - What Are Fossils? What Fossils Tell Us About Extinct Species #78
This video looks at why fossils are so useful in telling us about extinct species, and also explains why some species go extinct in the first place.
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GCSE Biology - How the Eye Works (Part 2) - Accommodation #32
This video covers: - How the eye focusses light onto the retina, which is known as accommodation - How the ciliary muscles and suspensory ligaments work Exam board specific info: AQA - Separate science only IGCSE Edexcel - Separate...
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GCSE Biology - Enzymes - How Temperature and pH Affect Rate of Reaction
This video covers: - How temperature affects enzymes and the rate of reaction - How pH affects enzymes and the rate of reaction - Why enzymes denature - Was optimum temperature and optimum pH mean
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GCSE Biology - Differentiation and Specialised Cells #10
This video covers: - What we mean by specialised cells - How a sperm cell is adapted for its function - What differentiation is - Why differentiation is important
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GCSE Chemistry - States of Matter & Changing State #21
This video explains 'particle theory' and uses it to describe the 3 states of matter: solid, liquid and gas. It also covers how substances move between these states at the particle level. This video is suitable for: - All exam boards -...
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GCSE Maths - What are Quadratic Graphs? #76
This video covers: - What quadratic equations are - What quadratic graphs look like - What difference it makes if the x^2 term is positive or negative This video is suitable for maths courses around the world. KS3 - All on your course...
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GCSE Maths - Similar Shapes #104
This video explains what similar shapes are and how to use scale factors to find the missing length of one of the sides. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your...
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GCSE Maths - Lines of Symmetry #98
This video covers how to check if an image is symmetrical and if it is, how to draw lines of symmetry. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher -...
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GCSE Maths - How to Find the Volume of a Frustum #114
This video covers how to calculate the volume of a frustum, which is basically a cone that has had its top bit chopped off. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your...
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GCSE Maths - How to Find the Area of Rectangles, Parallelograms, Triangles and Trapeziums #105
This video explains how to use the area formulas for rectangles, parallelograms, triangles and trapeziums. We also look at why the equations are so similar. This video is suitable for maths courses around the world. KS3 - All on your...
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GCSE Maths - How to find the Area of Compound Shapes #106
This video explains how to use the find the areas of complicated shapes which we call compound or composite shapes. The idea here is to split them into multiple simple shapes like rectangles, parallelograms, triangles and trapeziums....
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GCSE Maths - Congruent Triangle Rules #103
This video explains how to tell whether 2 triangles are congruent using 4 rules: SSS, SAS, AAS, RHS. This video is suitable for maths courses around the world. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher -...
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GCSE Maths - Congruent Shapes #.102
This video explains what congruent shapes are. I.e. shapes that are the same shape and size, but may have different orientation (e.g. could have been rotated or reflected). This video is suitable for maths courses around the world. KS3 -...
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GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) #108
This video explains how to find the area of a sector and the length of an arc. This video is suitable for maths courses around the world. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher - All on your course...
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GCSE Maths - Alternate, Corresponding and Allied Angles - Parallel Lines Angle Rules #117
This video covers the angle rules when you have a transversal crossing two parallel lines. After covering the basics we run through the alternate angles (z angles), corresponding angles (f angles) and allied angles (c angles) rules, then...
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GCSE Maths - 2D Projections Of 3D Objects #115
This video covers how to figure out what 3D shapes look like from the front, the side and the top. We call these 2D projections of 3D shapes. This video is suitable for maths courses around the world. KS3 - All on your course GCSE...
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What are Quadrilaterals? | Types of Quadrilaterals Overview
What makes a shape a quadrilateral? How can you identify and classify them? Get ready to discover as we journey through squares, rectangles, parallelograms, rhombus, trapezoids (trapeziums), irregular quadrilaterals, and more!
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What Links Dice and Tesseracts? | Machining the Platonic Solids
In this video, we machine the 3D platonic solids and explore these polyhedrons in higher dimensions. Hazel talks through the history of these fascinating shapes and reveals interesting facts along the way.
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Identifying 3-D Geometric Shapes and Solids
Mr. Addit describes rectangular prisms, cubes, pyramids, cylinders, spheres, and cones. He defines the terms face, edge, and vertex.
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Tell Me about Tessellations
Mr. Addit introduces tessellations. He talks about how tessellations are made, identifies tessellations, and names them.
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Comparing and Contrasting 2-Dimensional Plane Figures
Mr. Addit defines the terms; plane, figure, triangle, quadrilateral, pentagon, hexagon, octagon, polygon, rhombus, parallelogram, and trapezoid.
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Review for You: The Wonderful World of Geometry
Mr. Addit reviews geometry fundamentals including: points, lines, line segments, rays, perpendicular and parallel lines, acute, obtuse, and right angles, and isosceles, scalene, and equilateral triangles. He also reviews polygons...