Why do shadows look different in the summer than in the winter? What causes day and night? How can a sundial be used to tell time? Answer these questions and more through two engaging lessons about light and shadows. Fourth and fifth...

Ready for a change? Give a comprehensive collection of metamorphic materials a try! With the assortment of printables and lab activities, you won't be under pressure to keep things lively. The unit culminates by having...

For this atmosphere worksheet, students read a data table showing the percentages of carbon dioxide, oxygen, and nitrogen in the atmosphere over the last 4500 million years. They then create a graph comparing these gases over time and...

Don't overreact! A simple experiment demonstrates chemical reactions as scholars mix chemical solutions and metals in a large well plate. They note all changes to the metals, solutions, precipitate, colors, and more. A full data table...