Curated Video
Purification of Water Experiments: The Effect of Distillation on pH and Salt Content of Seawater
The video is a lecture presentation on the purification of water experiments. The presenter carries out a series of short experiments to investigate the effect of distillation on the pH and salt content of seawater. The presentation...
Curated Video
Introduction to Imaginary Numbers
In this lesson, students will learn about imaginary numbers by exploring the concept of the imaginary unit, denoted by the letter "I." They will understand that imaginary numbers, such as I, exist outside of the real number system and...
Curated Video
Measuring Distance Using Velocity Time Graphs
This video is a lecture on how to measure the distance traveled by an object using its velocity-time graph. The concept of the area under the velocity-time graph representing distance is explained, and examples are provided to...
Cerebellum
Geometry, Perimeter and Area
This video covers exam strategy, Geometry, Perimeter, Area, Angles, Circles. This is part 14 from the series 'Introduction to the Math Section of the SAT'.
Music Matters
Choosing the Right Chords in Minor Keys - Music Composition
How do we go about choosing chords and how can you be sure if you've got the right for a given situation? A lot of people are happier doing this in major keys than they are in minor keys so in this music composition lesson we're going to...
Brian McLogan
How do we find the surface area of a triangular prism
👉 Learn how to find the volume and the surface area of a prism. A prism is a 3-dimensional object having congruent polygons as its bases and the bases are joined by a set of parallelograms. A prism derives its name from the shape of its...
Virtually Passed
Second Moment of Area Example 1
To find the second moment of area about the x axis use Ix = /int y^2 dA To find the second moment of area about the y axis use Iy = /int x^2 dA In this video I solve this problem using the double integral method (which is more robust)....
Curated Video
Titration Calculations: How to Determine the Concentration of an Unknown Solution
In this video, the presenter discusses titration calculations, which are useful in determining the concentration of a solution by using a solution of known strength. The video explains the thought process and equations involved in...
Hip Hughes History
The 2012 Election Explained
A video lecturing skipping across the 2012 Presidential election between Barack Obama and Mitt Romney. Perfect for political science students, #APGOV kids, life long learners and the cray cray on the internets.
Professor Dave Explains
Logarithms Part 2: Base Ten Logs, Natural Logs, and the Change-Of-Base Property
An introduction to logarithms.
Virtually Passed
Second Moment of Area Example 2
In this video I use the double integral to solve for the moment of inertia of area of a triangle about a vertex Ix = /int y^2 dA This can also be done without using double integrals if we choose a 'larger' value of dA which is a...
Curated Video
Describing Cross-Sections of a Right Rectangular Pyramid
In this video, students learn how to describe the cross-sections of a right rectangular pyramid by slicing at different angles. They are introduced to the concept of cross-sections and how they result from cutting a 3-dimensional shape...
Catalyst University
Calculate Concentrations in a Buffer (Derivation)
In this video, we discuss Calculate Concentrations in a Buffer (Derivation)
Brian McLogan
Implicit differentiation by taking the log of both sides
👉 Learn how to find the derivative of an implicit function. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative of a...
Virtually Passed
Second Moment of Area Example 4 (I beam)
Here I calculate the second moment of area (moment of inertia) for an I beam. The easiest way to do this is to find the moment of inertia of each of the rectangles about the I beams centroid (note you'll have to use the parallel axis...
Curated Video
Solving Exponential Equations with Logarithms
In this lesson, students learn how to solve exponential equations when the base is not 10 or E by using logarithms. They are taught the property that the logarithm of a base to the X power is equal to X times the logarithm of the base....
Brian McLogan
Learn how to use the trapezoidal rule with 4 sub intervals
👉 Learn how to approximate the integral of a function using the trapezoid area approximation. Reimann sum is an approximation of the area under a curve or between two curves by dividing it into multiple simple shapes like rectangles and...
Brian McLogan
Solving an exponential equation with e on the denominator
👉 Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Brian McLogan
Expanding the logarithm so that you can take the derivative
👉 Learn how to find the derivative of exponential and logarithmic expressions. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the...
Music Matters
How Bach Elaborately Decorates a Simple Chord Scheme - Composer Insights
How Bach elaborately decorates a simple chord scheme to transform the impact of the opening bars of his Sarabande from the English Suite no 2 in A minor. This composer insights lesson unpacks how Bach combines conventional ornaments like...
ACDC Leadership
Macro Unit 2.5- CPI Practice AP Macroeconomics
In this video I explain of how to calculate CPI for different base years. Make sure to try it on your own in the bonus round.
3D Print General
3D Printed Chess Set and Carrying Case
In this video, I 3D print and assemble an awesome chess set with a roll-up board and carrying case. Print your own on MyMiniFactory: http://bit.ly/2xE0iUn
Brian McLogan
Using inverse properties to solve an exponential equation
👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...