Curated Video
How to Make Oobleck
If you mix cornstarch and water (2 to 1), you will get a suspension that acts like a solid when you put a pressure on it, but then it can flow like a liquid. Perfect for messy play at any age. If you feel creative, add some food...
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States of Matter
Dr. Forrester explains how different forms of matter can exist in different states.
Curated Video
Qualities of Solids, Liquids, and Gases
Dr. Forrester explains the three states of matter and the qualities of each.
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Can Metals Exist as Gases?
Yes, metals can exist in gaseous forms. To illustrate, let's consider lead, which has a boiling point of 1740°C. When heated past its melting point of 327°C, lead turns into a gas at 1740°C. Another notable example is mercury, which...
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What’s Under Your Feet
Dr. Forrester explains the three layers of the earth and the three classifications of rocks.
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Introducing Solids
A video entitled “Introducing Solids” that recognizes the key attributes of cubes, cones, cylinders, and spheres.
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Review for You: 2 and 3-Dimensional Figures
Mr. Addit reviews two and three dimensional figures.
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Hamlet 1.2 Solid vs Sullied
This video explores the textual discrepancies in Hamlet's soliloquy, focusing on the variation between "too too solid flesh" and "too too sullied flesh." It highlights the existence of three primary sources of the play—two early quartos...
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Extreme Physics: Breaking Limits and Mind-Blowing Facts
Explore the extreme and mind-bending world of physics with these fascinating facts. From water existing in all three states simultaneously at its triple point, to helium defying gravity as a superfluid, and the immense power of solar...
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Vintage Hi-Fi: The Timeless Appeal of Valve Amplifiers and Handcrafted Audio Systems
This video explores the enduring appeal of vintage valve amplifiers in the world of audio enthusiasts. Sarat Desenayaka, a legendary hi-fi creator in Rome, meticulously handcrafts high-end audio systems using old-fashioned valve...
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How to Build Trust. And Why it Matters in Influence & Persuasion
There is no way you can persuade someone who does not trust you. Trust is a vital part of Influence and persuasion. So, let’s look at how to build Trust. We already have a very popular video about trust, that discusses Maister, Green,...
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GCSE Physics - Sound Waves and Hearing #73
This video covers: - How sound waves travel through materials - The idea that sound waves are longitudinal - How wavelength changes with speed - The structure of the human ear and how it works - How the range of human hearing changes...
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GCSE Physics - Reducing Energy Loss - Insulation / Lubrication / Aerodynamics #6
In this video we cover: - How we reduce heat loss from homes - How cavity walls work - How double glazing works - How to reduce friction using lubrication - Why vehicles are streamlined General info: - Suitable for all GCSE and IGCSE...
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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 Chemistry - Filtration, Evaporation & Crystallisation #6
In this video we'll look at: - How filtration can be used to separate insoluble solids from a liquid - How evaporation can be used to separate a soluble solid from a solution - How crystallisation can be used to separate a soluble from a...
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GCSE Physics - Density #27
This video covers - The concept of density - The equation for density and how to use it - How to measure density for: - Regular solids - Irregular solids - Liquids General info: - Suitable for all GCSE and IGCSE courses - Suitable for...
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GCSE Maths - Solving Inequalities by Plotting them on a Graph (Inequalities Part 4) #59
This video covers how to solve multiple inequalities by plotting them all on a graph and finding the area that satisfies all them (the region in the middle of all the lines). This is part 2 of our 4 part series on inequalities. Part 1 -...
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GCSE Chemistry - What is a Polymer? Polymers / Monomers / Their Properties Explained #23
Everything you need to know about polymers! Polymers are large molecules made up of lots of repeating units called monomers. This video covers: how to identify them, how to draw them, and their properties.
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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 Chemistry - State Symbols & Predicting States of Matter #32
This videos covers how to use state symbols to show the physical state that substances are in, and also how to predict the state from melting and boiling point data. This video is suitable for: - Higher and Foundation tiers - All exam...
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GCSE Chemistry - Metallic Bonding #20
This video covers bonding between metal atoms which we call metallic bonding. It also looks at the properties this gives rise to and how they differ from alloys. This video is suitable for: - Higher and Foundation tiers - All exam boards...
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GCSE Chemistry - How to Test for Gases - Testing for Chlorine / Oxygen / Hydrogen / CO2 #64
In this video, you'll learn: - The test for detecting chlorine gas - The test for detecting oxygen gas - The test for detecting hydrogen gas - The test for detecting carbon dioxide gas