Three of Earth's spheres are introduced to your earth scientists: lithosphere, hydrosphere, and atmosphere. Each are described with text, while a combination of photographs and computer images are displayed. One of the best ways to use...

From the layers of Earth's spheres to latitude and longitude to looking at topographic maps, learners discover the elements of Earth's systems. 

Air, air, everywhere, but what's in it, and what makes Earth's air so unique and special? Journey through the layers above us to uncover our atmosphere's composition and how it works to make life possible below. Pupils conduct...

The biogeochemical cycle ... no physics? The fourth installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program introduces the biogeochemical cycle by having pupils simulate movement between Earth's...