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...

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...

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...

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...

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...