If you've been looking to increase the level of differentiation in your teaching, this video is a great place to start. A selection of teachers from Lincoln Middle School explain how they use their individual expertise to...

After looking at a group with three pairs of sunglasses and a hat, viewers have to identify which item doesn’t belong. As a critical thinking and classification activity, this video could be linked to a lesson on grouping objects.

Viewers can identify which of the four hats, three red fire fighter hats, or a silver, sparkly New Year's hat, does not belong with the group. This film could be a good way to introduce the idea of classification and sorting in the...

Starting with the distinctions between Ketones and Aldehydes, Sal diagrams the groups that affect the naming.

Providing a group of objects in which one does not belong with the others, this video leads learners to use critical language arts. With three red balloons and one blue as part of the group, this is a simple lesson on classification that...

Who done it? Class groups adopt the role of crime scene investigators and examine exhibits (primary source documents) to determine who attempted to assassinate the members of the Medici dynasty.

Why is online privacy so important? Explore privacy with a group assignment for which pupils create word clouds with words they associate with privacy. A discussion and online activity follow. Learners will read articles, explore the...

The mechanism with a ketone and a similar version with an aldehyde is described, where the carbonyl group and pair of electrons belonging to the oxygen react with the hydronium in water.

Explore music through the decades with an engaging video brought to you by the 5-part harmony acapella group, Pentatonix. Genuine musical talents sing through a variety of popular music from the 11th century to the 2010's. Artists...

Sal defines the similarity of the carbonyl group on aldehyde to the carboxylic acid. Next, he clarifies the presence of the extra OH group instead of the carbon chain or hydrogen. He then recaps the definitions and behaviors of acids.

A bright and colorful animated butterfly takes ten petals and rearranges them in this Sesame Street video. The butterfly shows that ten can be 1 group of ten, 2 groups of five and so on. This video demonstrates the value of ten to early...

Gain insight into how scientists group materials based on their properties, such as conductibility and malleability, with this informative and engaging video. First, molecules, atoms, substances, and elements are reviewed, then...

Watch the distillation process as a female narrator explains what is happening. Ideally you would demonstrate this process or have advanced classes work in lab groups to perform it themselves. If time is short or materials not available,...

Following a site's community guidelines is just one step toward being an excellent digital citizen. After a brief introductory video, small groups come up with their own community guidelines and present their ideas to come up with a...

"If you think you understand quantum mechanics, you don't understand quantum mechanics." - Richard Feynman. The video describes how our current model of physics predicts glueballs, groups of gluons attached to each other. Gluons have no...

Lebanon has 18 people groups, each with its own history. The geography of the country mirrors this diversity, as one can ski in the morning and be on the beach by the afternoon. A video resource profiles the nation's complex history and...

Teach your YouTube users how to protect themselves from offensive content with a mini lesson on Safety Mode. The teacher presents information about Safety Mode, and then demonstrates how it can be turned on and off. Learners...

Let the machines do what they do best. The 37th installment of the Crash Course Statistics series focuses on unsupervised machine learning. It describes two methods, k-means and hierarchical clustering, and provides examples for each.

Using a step-by-step approach, Sal from Kahn Academy provides a visual description of what a group of 10, 100, and 1,000 means. It explores the value of numbers less than 10,000. The example is easy to understand. He puts marbles in a...

As part of a series on numbers less than 10,000, a thorough presentation demonstrates how to visualize numbers in groups of a thousand. The instructor then describes how to read and write numbers less than 10,000.

It takes four generations of Monarch butterflies to complete the migratory path from the Rockies to Mexico each year, so how do they know where to go? The answer may surprise you; it certainly surprised the scientists who figured it out!...

Looking for a way to use technology to engage students during classroom discussions? Then Rich and Jennifer have the tool for you. Watch as they explore this free online service that allows learners to share and respond to each others'...

John Brown's attack on Harpers Ferry in 1859 highlighted the nation's division on the issue of slavery. With a series of three engaging video clips, young historians learn about the abolitionist John Brown and his followers. The resource...

Who was Joseph McCarthy and why is his name synonymous with witch hunts? What were the factors that permitted the political repression of the 1950s to flourish? Could the same thing happen today? An intriguing video traces the rise and...