How important is momentum? Pupils investigate and apply the definition of momentum as they conduct analyses during a series of one-dimensional collisions. They infer the relative masses of two objects by carefully staging and predicting...

The lesson allows young scientists to use lasers and mirrors to study reflected light. A reading passage and homework question assess learning, while additional material introduces extension activities. 

Did you know that cars weren't designed for passenger safety until the 1960s? The lesson starts with a quick quiz on automobile safety. Then, scholars evaluate three cars for their safety features. This is the third in a set of nine...

Did you hear that? It's the main idea! Teach your class listening and note-taking strategies for determining the main idea by following the steps provided in this plan.