Curated OER
Cost Effective Buying
Students evaluate energy-related purchases. In this consumer awareness lesson, students visit an appliance store and rank the products' cost effectiveness by using a mathematical formula.
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Curated OER
The Quest For Power
High schoolers investigate and apply properties of math. In this algebra and physics lesson, students define important vocabulary words to create a basic understanding of keywords. They perform experiments using concepts of electricity...
Curated OER
TE Activity: Pitch and Frequency
Students experiment with a vibrating ruler and a kazoo to study the different pitches and frequencies they produce. They create both high and low pitch sound waves. They examine how engineers use sound energy when designing electronic...