This collection of animations introduces students to planetary motions, gravitational effects, and the scale of astronomical distances. Students can view visualizations of Earth's changing seasons, circumpolar motion,...

NOS measures and predicts coastal and ocean phenomena, protects large areas of the oceans, and works to ensure safe navigation. Educator information includes Discovery Kits, which consist of 4 different classroom units...

NOS is dedicated to creating innovative products that enlighten students and educators about the breadth of scientific research, technology, and activities they conduct. Resources include Discovery Kits, which consist of...

National Ocean Service (NOS) scientists collect, study, predict and disseminate information about tides and water levels. Tutorial introduces the causes and variations of tides and currents, their impacts on human...

This website provides datasets (starting in 1988) about tidal wetlands in Virginia, human impacts, management practices and results of management on the resources. Select data by year, activity, watershed, or wetland...