Young scientists get their feet wet as they learn about the water cycle in this series of activities. Whether they are observing how evaporation causes puddles to dry up, or how plants put water into the atmosphere through...

Questions that can be used in a lesson on Earth's radiation balance are suggested in this resource. It is not a lesson plan, per se, but it is a list of questions for stations within a "Gallery Walk" lesson. The link to how Gallery Walks...

Students create a collage of human land use activities around a body of water. Students evaluate the effects of different kinds of land use on wetland habitats, and create a list of pros and cons for each land use.

In this Earth worksheet, middle schoolers investigate the interactions between the four major parts of the earth-the atmosphere, the geosphere, the biosphere and the hydrosphere. Students discuss their findings as a class.

In this hydrosphere and atmosphere worksheet, students work in groups to present an assigned topic's effects on the atmosphere and the hydrosphere. They identify the topic as human activity or natural activity and it's impact.