Ninth graders discover the reasoning behind spraying water on fruit and seedlings in preparation for hard freezes. In this conceptual physics lesson, 9th graders conduct an experiment to measure the heat released when water goes from a...

Steam engines have been around since the late 1600s, yet most pupils don't know how they work. Using an soda can, the instructor builds a simple steam engine for scholars to observe. Through a discussion, young scientists learn about the...

Students determine what occurs in the final stages of the development of a rice plant. In this rice plant development lesson, students use the associated study guide to list the three stages in the ripening phase of rice development....

Students consider factors that modern business, in the light of technological and economic changes, might have to consider in decisions to re-locate. The Activity is based around a scenario of a business selling CDs and DVDs to a variety...

Pupils demonstrate that motors work on two different voltages. They connect a single-phase AC motor to run on different voltages.

It's never too early to start saving for retirement. In fact, the earlier one starts, the better! Use this retirement planning activity to teach the importance of a retirement strategy and why to start at a young age. 

High schoolers evaluate a forest for timber harvest and discuss potential impacts of logging. In this sustainable forestry lesson, they work in groups in a forested plot to choose trees to cut based on species and stem diameter and then...

Here is a lesson that offers a great hybrid of forming new skills and using current knowledge to come up with a plan. The class brainstorms information they would need to know or already know about hybrid vehicles. They then group...

Students explore permafrost.  In this 3 states of matter lesson, students identify characteristics of solids and liquids.  Students observe water and soil melting and freezing at various temperatures.  Students make...

The resource from Khan Academy and the Association of American Medical Colleges provides study content for the MCAT. This resource provides practice uestions related to phase changes during lyophilisation, or the process of freeze drying.