In this video we explore what factors affect the size of the force on a wire carrying an electric current when it is placed in a magnetic field.

The importance of showing all your work when doing physics cannot be overstated. I explain and demonstrate why.

This video explains how to find the resultant of two forces acting at an angle to each other and how to resolve a single force into two components. The presenter demonstrates how to use a scale drawing to represent the forces and how to...

The video is a lecture on how taxes and subsidies affect a market. The speaker explains the key terms and concepts, such as the shifts in the supply and demand curves caused by taxes and subsidies, the incidence of taxes, the revenue...

Instructional video on creating a homemade barometer.

In this video, you will learn how to generate number patterns using two or more given rules. The teacher explains how to use a T chart to organize the steps and rules of the pattern.

In this video, the teacher explains how to determine the age of objects using exponential decay. They use the example of carbon-14 dating to demonstrate the concept, showing how the percentage of carbon-14 decreases over time. The video...

In this video, students will learn how to find the surface area of rectangular prisms by analyzing the prism's six faces and computing their areas. The video explains key concepts such as finding the area of a rectangle and defines...

In this video, mathematicians learn how to solve compound disjunction inequalities in one variable by graphing on a number line. The teacher explains the concept of open and closed circles, and how the arrows indicate the solution set....

In this video, mathematicians learn how to solve inequalities in one variable with negative coefficients. The lesson teaches how to rewrite the inequality to result in a positive coefficient, making it easier to work with.

This video showcases the incredible journey of Archer John Walker, who went from watching the Paralympics on TV to becoming a Paralympic champion himself. It highlights his achievements and then focuses on his attempt to break the world...

What are all these funny little arrows? They're vectors! And we will use them to represent every single force we discuss in physics, so we need to know how to draw them, add them, subtract them, split them up into X and Y components, the...

In this video, mathematicians learn how to solve inequalities with one variable by graphing on a number line. The video explains the concept of inequalities and how to express them using symbols. It also demonstrate how to solve simple...

Una nina y su abuelo pasaron una tarde de verano sentados cerca de un lago. Comienzan hablando del calor que hace durante dias de verano, pero terminan hablando de que el lago se enfria y se congela durante el invierno. El abuelo le...

Learn the months of the year in Spanish.

A gorey portrayal of the surgery performed on Prince Henry, after being shot by an arrow in the face during the Battle of Shrewsbury in 1403. The film illustrates links between surgery in Ancient Rome and the Middle Ages and includes...

It is fascinating to explore the energy relationships between living things. This exciting video investigates the process of living things producing energy, consuming it, and breaking it down. Food chains and food webs visually...

In this video, the teacher explains how the solutions to an equation can be restricted by looking at the graph. They provide examples of graphs with infinite solutions, graphs with restrictions on the domain, and graphs with both...

In this lesson, students will learn how to identify extreme values by analyzing graphs. They will be taught to find the domain and range of a graph and understand the concept of relative and absolute maximum and minimum points. They will...

A medieval archers explains the many types of arrowheads and their uses such as the broadhead with its barbs and the incendiary or fire arrow

Atoms don't just appear and disappear into thin air, you silly goose. What are you, a magician? When we have a chemical equation we will have to balance it. Here's how to do it!

In this lesson, students will learn how to analyze visual and verbal representations to describe relations and functions. They will explore how two sets of data or variables are related to each other and how to identify the domain and...

This video uses real world examples to define and describe integers. Students will learn that an integer is any whole number can be positive, negative or zero. Viewers will come to understand that integers have important properties that...