As an introduction to the hypothesis and testing method of investigation, young history detectives engage in a special investigation of a family artifact. After watching a short video that demonstrates the method, they develop a...

Energy comes in many forms, but how do living things get the energy they need to survive and thrive? In a simple, controlled experiment with yeast, water, and sugar, groups make observations about how yeast reacts with water alone, then...

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...

Third graders examine plate movements and boundaries with a lab that demonstrates how volcanoes and earthquakes are formed. It presents different types of stresses an object can withstand through a hands-on...

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...

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...

Bored with frog and earthworm dissections? Had your fill of fetal pigs? Anatomy young scholars will be intrigued by the sheep's brain, and you will be prepared with guiding questions, extension activities, and pictures as they dissect...

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...