Hometown Ecology

By rolling marbles down a six-foot length of track, physical scientists determine how much energy is lost to heat. It is recommended that you opt for the foam pipe insulation track because more friction slows the marble, allowing...

Open learners' eyes to the challenge of finding safe drinking water – something we often take for granted in our country. The PowerPoint presentation includes images, graphs, diagrams, and even a video to stimulate discussion on how we...

Water covers around 75 percent of the earth, yet humans struggle to find enough fresh water to live. The fourth of 10 lessons focusing on Fresh Solutions requires brainstorming. Young scientists consider various problems related to fresh...

An educational video offers an overview of ecology and discusses the levels of organization from biosphere down to organisms. It also compares terms such as habitats versus niches, generalist versus specialist, and biotic versus abiotic.

Your science class may not enjoy ecology yet, but after this video series they are sure to be lichen it! An educational video explains ecological succession at the community level. It includes primary succession starting with...

A three-minute clip covers a new strategy for protecting the coral reefs of Fiji while still allowing fishermen to harvest the fish that people survive on. Connectivity is the name of the game. This colorfully animated resource is a...

The eighth video in a series about basic physics terms, a segment focuses on work. A strong man and a clown demonstrate work in action. After several examples and a defintion, the video closes by introducing joules as a unit of measure.

Using the resource is probably the most efficient way to learn about efficiency. The 18th installment of a 25-part Energy Systems and Solutions unit has pupils investigate energy efficiency through discussions and associated activities....

After reviewing the equation and terms from the previous video, Sal, the narrator, works through an example of an item that is fighting with the force of gravity. He introduces potential energy and begins to explain conservation of...

What is the point of the concepts of energy? Sal tackles this question in this video. After an explanation of conservation of energy, he works to describe how potential energy converts into kinetic energy. He uses an example of an uneven...