SciShow
How Encryption Keeps Your Data Safe
Keeping our data safe and secure is necessary in today's world, but a lot of the encryption we depend on has been in development for thousands of years!
Crash Course
Intro to Substitution Reactions - Crash Course Organic Chemistry
Substitution reactions can have really powerful effects, both good and bad, in our bodies. You might remember substitution reactions as displacement reactions from general chemistry, but (you guessed it!) in organic chemistry they’re a...
Crash Course
Determining SN1, SN2, E1, and E2 Reactions: Crash Course Organic Chemistry
Organic chemistry isn’t that different from an adventure game, with substrates as characters, nucleophiles as magic potions, and reaction conditions as different magical kingdoms. In this episode of Crash Course Organic Chemistry, we’ll...
Crash Course
Substitution Reactions - SN1 and SN2 Mechanisms - Crash Course Organic Chemistry
We’ve already learned a bit about substitution reactions in organic chemistry and the two different paths they can follow: SN1 and SN2. In order to better predict the products of a substitution reaction and understand how they work, we...
Amoeba Sisters
Mutations (Updated)
Join the Amoeba Sisters as they explain gene and chromosome mutations, and explore the significance of these changes. This updated video has improved audio and images! Codons and the amino acids they code for is represented by standard...
Crash Course
More EAS & Benzylic Reactions: Crash Course Organic Chemistry
We’ve already learned a lot about electrophilic aromatic substitution (EAS) and benzene, but guess what? There’s even more to learn! In this episode of Crash Course Organic Chemistry we’ll revisit our old friends the Friedel-Crafts...
Bozeman Science
Mutations
Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in a recipe. Changes in the DNA can result in changes to the protein, like changes in...
Bozeman Science
Metallic Solids
In this video Paul Andersen explains how metallic solids form when delocalized electrons hold the positive nuclei in an electron sea. This model helps to explain the properties of metals like conductivity, shiny appearance, malleability,...
Curated Video
Substitution reaction
A reaction in which one functional group in a molecule is replaced by another functional group. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Substitution Property - How To Solve 3m = n - 7
Welcome to Math Defined with Mrs. C. - Math Confidence-Boosting Math Practice - Substitution Property - How To Solve 3m = n - 7 with Set Values of n={-2, 1, 4} In this video, I will show you how to solve the equation 3m = n - 7, to...
Curated Video
Substitution in Algebra
This video explains substitution in maths within the topic of algebra and what it means to evaluate an expression. Practice questions and solutions are at the end of the video.
Curated Video
How to Solve Equations using Opposite Operations
Are algebraic equations giving you a headache? Fear not! In this comprehensive tutorial, I'll break down the art of solving algebraic equations using opposite operations.
Curated Video
How to Solve Algebraic Expressions by Using Substitution and Order of Operations
In this video, the teacher demonstrates how to evaluate algebraic expressions by using the substitution property to replace variables with given values. The examples cover simple expressions as well as more complex ones, guiding students...
Curated Video
GCSE Biology - What are DNA Mutations? #67
This video covers: - What genetic mutations are - What causes mutations e.g. carcinogens and harmful radiation - What the consequences can be - The 3 types of mutations: substitution, addition, deletion Exam board specific info: AQA -...
Brian McLogan
Simple Advice To Solve Step by Step
When solving system of equations it is helpful and important to know the basics. In this video that is exactly what I am going to cover
Curated Video
CHECKLIST for Solving a System of Equations | 8.EE.C.8
In this math video we will create and use a checklist for solving a system of equations. Checklist Step 1: If necessary, solve one of the equations for one of the two variables. Step 2: Substitute the expression from Step 1 into the...
Curated Video
What salt should you use for cooking?
Why are there so many different kinds of salt, and does it really matter which one you use?
Brian McLogan
Solve System of Equations Compilation
In this video we will focus on solving a system of equations with one, non and infinite solutions. This will help you identify ✅ New Videos on Systems - • Learn Systems Videos in Algebra 1 ✅ More Examples on Solving Systems - • Solve a...
Brian McLogan
3 Easy Solve Systems Algebraically
In this video we will work through 3 examples of solving a system of equation using either elimination or substitution. ⭐️ 3 Medium Solve Systems Algebraically - • 3 Average Solve systems algebraically ✅ New Videos on Systems - • Learn...
Brian McLogan
The Only Time I Want You To Use Substitution
In this video I will explain the only times I want students to use substitution over elimination. The reason for this is that it makes the math usually easier for us and means we are less likely to make mistakes. ⭐️ 3 Easy Solving a...
Brian McLogan
Solve a System by Graphing, Substitution, Elimination
To solve a system of equations we can graph, solve by substitution or by elimination. In this video we will cover all three. ⭐ Solve a System of Linear Equations Algebraically Compilation - • Solve a System of Linear Equations Al... ⭐...
Brian McLogan
Challenge 10% of Algebra 1 Students can solve
On these problems students struggle with factoring when they are first learning how to factor ⭐ Factoring Trinomials with Bigger Numbers a=1 - • Factoring Trinomials with Bigger Numb... ⭐ Factoring quadratic trinomials with two variables...
Brian McLogan
Always follow this rule when solving a system of equations
It might not be easy or always possible but if you can follow this rule when solving a system of equations you can set yourself up for success. ⭐ stop adding system of equations - • stop subtracting system of equations ⭐ How to solve for...
Brian McLogan
It's not what you think to solve simultaneous equations
In this video we are going to solve a system of equations that has a linear equation and a nonlinear equation involving square roots. ⭐️ stop subtracting system of equations - • stop subtracting system of equations ✅ System of Equations...