This article explains the role of the tilt of Earth's axis on seasonal changes. An accompanying exploration dispels the commonly held misconception that distances between the sun and Earth are a factor. The article is targeted to children ages 10-12.

This two-sided poster presents images and information about ozone. The front features a series of color Earth images; each image reflects total ozone readings taken every October from 1979 to 2012. The poster back contains information about ozone... (View More) under the following headings: What is Ozone?, Chemistry of the Ozone Layer, Measuring Ozone in the Earth's Atmosphere, Timeline of Stratospheric Ozone Depletion and Observations, How the Ozone Hole Forms, and A World Avoided. In addition, the back contains two activities: Visualizing the Ozone Hole and a Color by Number worksheet. (View Less)

This article describes the multi-camera instrument (Multi-angle Imaging SpectroRadiometer or MISR) aboard the Terra Satellite; participants use information from the article to complete a crossword puzzle. A supplemental article entitled, "Clouds and... (View More) Earth" is included. The article is targeted to children ages 10-12. (View Less)

Players complete five crossword puzzles related to weather. The puzzles are targeted to children ages 10-12.

In this brief video, NASA scientists discuss the Global Precipitation Measurement (GPM) mission and its role in studying and tracking Earth's freshwater resources. The GPM mission will advance our understanding of Earth's water and energy cycles,... (View More) improve the forecasting of extreme events that cause natural disasters, and extend current capabilities of using satellite precipitation information to directly benefit society. (View Less)

This short video (2:01) uses an engaging approach to emphasize the importance of tracking and studying precipitation. The video cast explains how the Global Precipitation Measurement (GPM) mission will use a constellation of satellites to achieve... (View More) global coverage, thereby providing scientists with accurate precipitation data from around the world. In addition to the video, the site contains supplemental text which provides background information on the GPM mission. (View Less)

This article provides a brief introduction to the Geostationary Operational Environmental Satellite (GOES) and its weather data gathering capabilities. In the accompanying game, players help the GOES-R satellite collect data on six weather... (View More) variables. The game can be downloaded to iPhone or iPad from an iTunes link provided. The article is targeted to children ages 10-12. (View Less)

This website features a range of interactive games, hands-on projects and fun facts about Earth, the Sun, our Solar System and Space.