It's not easy to measure the weather. Pupils learn about what all weather has in common—the atmosphere. Scholars discover how a meteorologists must be able to measure aspects of the atmosphere and decipher the data. They then create a...

From dragons to dwarves, from riddles to rings, the great adventure story of The Hobbit by J.R.R. Tolkien has captivated generations of readers of all ages. An educator's guide explores the novel's literary elements,...

A 15-page package thoroughly teaches your physics or astronomy learners about Kepler's three laws of planetary motion. Each one is stated and explained. Class members answer questions, solve problems, and participate in the classic...