Curated OER
Projectile Motion
Twelfth graders experiment with a projectile that is launched horizontally after a demonstration and small discussion about two pennies, one dropping from a table top and the other being slide off the top and hitting the ground at about...
Curated OER
Challenger's Lost Lessons - The Lost Simple Machines Lesson
Students investigate the characteristics of simple machines. For this simple machine lesson, students investigate work as a product of applying constant force. They answer questions about what happens on Earth and what may have happened...
Curated OER
Simple Machines/Technology
Third graders examine the concept of work as the movement of an object through a distance. They define gravity and determine what type of work is caused by gravity. They measure how far an object is moved by a force. They make a...