High schoolers research the concept of the Pythagorean Theorem. In this Pythagorean Theorem instructional activity, students use the Internet to learn about the Pythagorean Theorem. High schoolers construct proofs of the Pythagorean...

Science can be quite tasty. A delectable unit from NASA shows learners why it's important to consider food, nutrition, and health in space. Four lessons explore the idea in great depth, including testing cookie recipes. Along the way,...

Learners examine concrete samples and guess their strength. They determine the correlation between concrete strength and the cement to water ratio that was used in making each sample. They make a quality concrete based on their findings.