In this lesson, students will learn how to measure weight in the US customary system of measurement by comparing each unit to everyday objects. They will understand the difference between mass and weight, and how weight can be affected...

Since the time of the ancient Greeks, humans have been using spider silk to dress wounds. Scientists now know spider webs not only have healing qualities, they can be stronger than steel! University of Wyoming Molecular Biologist Randy...

In this video, the teacher explains how to determine the best deal when comparing different products. Using the example of apple juice, the teacher demonstrates how to calculate the unit price by dividing the total price by the total...

The video teaches how to solve absolute value equations by writing two different equations. It explains what absolute value means and how to solve multi-step equations. The examples provided using number lines and real-life scenarios...

This 3-D animated movie will have you singing along as you memorize the meanings of fluid ounces, cups, pints, quarts, and gallons. It even gives kids a challenging lunchtime experiment to try with their milk cartons to discover...