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The Backyard Scientist
How to make an electric match/detonator (squib) [Pingpong balls and Flashpowder/blackpowder]
In this video we make electric matches to safely detonate our experiments. You should aim for a 95-5% ratio of your propellent to nitrocellulose (pingpong balls). A pingpong ball weighs 2g, so use about 50g of powder. We used half that...
Brian McLogan
Finding an equation given a table of values using different operations - Cool math
👉 How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the type of function. If the function is a linear...
Curated Video
Solving Linear Equations with Rational Numbers and Fractions
In this lesson, students will learn how to solve linear equations with rational numbers, focusing on examples involving fractions. They will explore different methods, such as distributing fractions or multiplying both sides by a...
Curated Video
Understanding the Impact of Parentheses on Expressions with Fractions and Decimals
In this video, students learn about the impact of parentheses on the value of expressions with fractions or decimals. Using visual aids, the video demonstrates how moving parentheses can affect the outcome of addition, subtraction,...
Brian McLogan
Shifting a triangle using a transformation vector
👉 Learn how to apply transformations of a figure and on a plane. We will do this by sliding the figure based on the transformation vector or directions of translations. When performing a translation we are sliding a given figure up,...
Bethany Thiele, Art Teacher
How to Sgraffito with Oil Pastels to Create Texture or Decoration
In this video I will explain and demonstrate how to Sgraffito with Oil Pastels to Create Texture or Decoration in a drawing. I’ll be using a bent paper clip to demonstrate sgraffito, as well as oil pastels on 80 lb drawing paper.
Tarver Academy
ADDING REAL NUMBERS - Algebra 1.4
In This Episode, Tyler Teaches Us About ADDING REAL NUMBERS - Algebra 1.4
Curated Video
Extracting DNA from Fruit: A School Laboratory Method
This video explains the process of extracting DNA from a fruit sample using a method that can be done in a school laboratory. The video outlines the steps involved in extracting DNA, such as creating a solution with salt and detergent to...
Curated Video
Advanced Swift 2 Application Development (Video 1)
The number of smartphone users is increasing every single day, and as more and more of them are looking for new and interesting ways to improve their lives through mobile applications, the need for a language that will deploy on all...
Blockchain Central
Introduction To Mining For Beginners | Blockchain Central
This week on Blockchain Central: we'll take a closer look at cryptocurrency mining. We'll explain the core idea behind this process, how everyone can earn money from verifying transactions and see what are the main obstacles that a miner...
Curated Video
Naming Ordered Pairs in Exponential Functions
In this lesson, students will learn how to identify an ordered pair belonging to the same exponential function as two given ordered pairs. By understanding that exponential functions grow by equal factors on equal intervals, students can...
All In One Social Media
7 Secrets To Creating An Engaging Facebook Group
7 Secrets To Creating An Engaging Facebook Group // Facebook group secrets, facebook group tips that will help you keep your facebook group active, engaged and growing. Facebook secrets to super charge that group, help grow your brand...
Music Matters
What is a Tritone Substitution? - Music Theory
What is a Tritone Substitution? How do you work out a tritone substitution? How do you use one?The tritone is defined and it’s use within a Dominant 7th chord is explored. The inversion of the tritone is demonstrated as a means of...
Food Farmer Earth
Beyond Nutritionism: Michael Pollan's Critique of Food Culture
Michael Pollan delves into the ideology of nutritionism, criticizing the reduction of food to its nutrient components and the resulting paradox of a nation filled with nutritional knowledge yet plagued by diet-related diseases. He...
Curated Video
Explaining Addition Number Sentences in Multiple Ways
In this video, the teacher explains two different methods for solving addition number sentences. The first method is using expanded form, where each digit is expanded to its value and then added together. The second method is using a...
Brian McLogan
How to eliminate the parameter with two trigonometric equations
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
Brian McLogan
Learn how to write the formula for a sequence of fractions
👉 Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. To write the explicit formula of...
Brian McLogan
How to add a fraction to a mixed number with unlike denominators
👉 Learn how to add and subtract mixed numbers. Mixed numbers are numbers with two parts: the whole number part and the fraction part. Mixed numbers are ways to represent improper fractions using proper fractions.To add or subtract mixed...
Brian McLogan
Finding the quotient and domain of two functions
👉 Learn how to divide two functions. We will explore the division of linear, quadratic, rational, and radical functions. To divide two functions, we simply algebraically divide the rules (contents) of the two functions. We will then...
Brainwaves Video Anthology
Sylvia Martinez - Invent to Learn Making, Tinkering, and Engineering in the Classroom
Sylvia works in schools around the world to bring the power of authentic learning into classrooms, particularly in Science, Technology, Engineering, and Math (STEM) subjects. Sylvia speaks, writes, and advocates for student-centered,...
Catalyst University
Biomechanics | Torque Problem #1b (Elbow Joint) [Calculate Joint Reaction Force]
This is the second part of the first torque problem about the elbow joint in which we calculate the joint reaction force at the elbow joint.
Curated Video
Representing Quantities of Time with Diagrams
In this video lesson, the teacher explains how to represent quantities of time using diagrams with a measurement scale. They cover key phrases like quarter after, half past, and quarter till, and demonstrate how to add and subtract time...
The Wall Street Journal
U.S. Deputy Attorney General on Business and Government Balance
Lisa Monaco, the U.S. Deputy Attorney General, discusses how the Justice Department is addressing calls for antitrust measures and other business regulation.