This video will explain the concept of a mole and how to calculate the molarity of a solution using concentration of solutions.

This video is part of a series on los días de la semana (Days of the week) in Spanish.

Days of the Week in Spanish - Practice 2 (With emotions)

Days of the Week in Spanish - Practice 1

Northeastern University social psychologist Lisa Feldman Barrett relates how modern neuroscience has moved from focusing on the behaviour of individual neurons to examining neural networks - vast numbers of neurons linked together.

We explore the first of Bach’s 15 two part Inventions in the key of C. This composer insights lesson unbolts the imitative counterpoint, explaining the various contrapuntal ingredients and how they are used throughout the piece....

This music theory lesson summarises the rule of the octave and explains how it offers insight into harmonic thinking and into Baroque harmony in particular. The rule of the octave begins with the notion of harmonising an octave of the...

How using traditional elements of music theory is useful to think about when writing a twelve-tone serial piece of music. Examples of using tonal elements and rhythm that isn't too complex are explored in order to demonstrate that...

How to incorporate augmentation and diminution into a piece of music. This music composition lesson begins with a melodic line supported by a moving bass and goes on to demonstrate how the melodic line can be presented using...

Many composers are happy to write basic melodies that fit with chords but how do we give a melodic line more identity and elegance? We discover how appoggiaturas can play a significant role. This music composition lesson shows you how...

This video will discuss how to create tints and shades from an original color.

"State Constitutions" shows the importance of a state constitution and how it works in conjunction with its national counterpart by breaking down the key branches.

Percent Increase: Decimal to Percent demonstrates solving percent increase problems by changing a decimal to a percent.

Lord Frederick Arthur Stanley commissions a cup for the best amateur hockey team in Canada. Lord Stanley returns to England to become the 16th Earl of Derby before the first Stanley Cup is won by the Montreal Hockey Club. The Winnipeg...

The video “Identify Transformations” analyzes transformations to determine whether a rotation, reflection, or translation has occurred.

A video entitled “Historical Sources” identifies the differences between primary and secondary sources and discusses how these sources can be used to study the past.

"Understanding Chemical Reactions” uses a real-life example of a chemical reaction to explore how chemical changes occur and what they produce.

In this video, the teacher explains how to solve a real-world math problem involving percent of increase. The problem involves expanding a rectangular patio by increasing the length by 50% and the width by 20%. The teacher walks...

A look at the Habeas Corpus issues brought up in the show Making a Murderer on Netflix; specifically at the history of habeas corpus and how the AEDPA fundamentally changed the ability for those convicted of crimes, unconstitutionally,...

Mark 10:25 says: "It is easier for a camel to go through the eye of a needle than for someone who is rich to enter the kingdom of God." This is one of the most famous sayings of Jesus. But did we translate his saying correctly?

This video explores the origins of common words in the English language and the mistakes that have led to their current spellings. The teacher, Rob, humorously explains how words like "umpire" and "apron" were originally spelled...

To form regular comparative adjectives, we add ‘er’ to adjectives, or the words ‘more’ or ‘less’. Comparatives are used to show change and are used to compare one person or thing, with another person or thing. To form regular...

This video demonstrates how to set images attributes with jQuery.
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This clip is from the chapter "Applying jQuery to Your Web Pages" of the series "Modern Web Design with HTML5, CSS3, and JavaScript".This video demonstrates...

This video highlights the difference between the parseInt and number methods.
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This clip is from the chapter "Common JavaScript Questions and Answers for Interview Preparation and Practice" of the series "Modern Web Design...