Students review what force. In this science lesson plan, students determine which surfaces are rough and which are smooth by observing how an object moves on each surface.

Young scholars relive history as they examine primary sources that document everyday life in the California missions. During a class viewing of the included slideshow presentation, children analyze documents, paintings, and...

Students recognize objects around their school made of rocky materials. In this changes in rocks and soil lesson, students use a website for a virtual experiment of rocks.  Students group rocks based on their properties....