Without natural resources, our world would be a very different place. Help your class understand the importance of water, plants, and soil with this exploratory science lesson.

Don't you love when the leaves turn reddish orange and fall off the trees? This lesson provides a great way to clean up some of those leaves all while helping your students learn to classify different types of leaves.

Scientists observe and classify the world around them! In this lesson, your students will practice their processing skills by observing a group of objects and grouping the objects based on their attributes.

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.