Show your class how combining two objects can create a new object in this hands-on science lesson. Students will learn why breaking apart an object doesn't change its mass.

Star light, star bright! Teach students all about constellations and earth movement with this engaging science lesson plan. Broken out over several days, this unit encourages students to research and report on a constellation.

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

In this lesson, students will solve a design problem as they create a marble maze out of LEGO bricks.

Teach your students about different types of rocks and how they're formed, using objects that your class is familiar with.

Walk, sleep, run, eat! We're constantly using energy, whether we're moving or not. In this lesson, students learn how their bodies are constantly converting potential energy into kinetic energy and kinetic energy back to potential energy.