Open with a discussion on weather and climate and then explain how tree rings can provide scientists with information about the earth's past climate. Pupils analyze graphics of simulated tree rings from various US locations for the...

Curious physical scientists follow a lesson plan on the properties of water with this lesson plan on distillation. They observe a miniature water cycle model that filters dirty water into clean water. These two lessons combined are an...

Little learners experiment with sunlight and map out how light travels. Using a mirror and slotted card, they find out about items that can reflect or absorb the light. They experiment with a variety of materials to find out how light...