Learn about germs without getting sick! An interactive resource prompts learners to identify the dirtiest surfaces on a city street. Class members then participate in a demonstration about washing dirty hands and how using soap can...

Creating a solar system map is a snap thanks to a hands-on activity! Science scholars explore the solar system by building it wherever they choose during an interactive from PBS's Space series. Users pick both the location and scale for...

Protons and neutrons and electrons, oh my! Physical science scholars get hands-on with interactive atomic modeling. Starting with a simple helium atom, participants create and name ions, then build isotopes. Questions throughout the...

Take a load off! Introduce junior engineers to the effects of load on structural design with an easy-to-use interactive. Individuals apply one of many load options, examine its effects, then learn about the safeguards employed during...

Why is wood good for building houses, but not the best choice for high-rise apartments? Future materials scientists put building materials to the test using a hands-on interactive. Pupils pull and push on substances such as reinforced...

Scholars explore the procedure for bacteria sampling in a virtual lab by first walking through a detailed step-by-step procedure of preparing the samples of raw milk and pasteurized milk, growing the bacteria, and comparing results....

In this DC motor learning exercise, the learner answers 3 open-ended questions pertaining to the design of a DC motor. The learning exercise is printable and the answers are revealed online.

In this weather worksheet, students click on the links in the questions about weather to find the answers to the questions and then come back and answer the questions. Students answer 17 questions total.

In this saving energy worksheet, students survey the class about saving energy, examine an energy chart, and answer short answer questions. Students complete 4 tasks.

What do you know about the different human body systems? This site features information on each of the different systems. Students and teachers will benefit from this comprehensive resource.