Preparing for an assessment? Here's an activity that will ensure that all class members have the background knowledge they need to demonstrate their skills on a performance task related to the solar system and the tools astronomers use...

Explore what it takes to service the Hubble telescope. In the set of three activities, groups investigate several aspects of the Hubble telescope, including robotic arms used during repairs, spacesuits, and extravehicular activity (EVA)...

[Free Registration/Login Required] This nonfiction piece discusses the discovery of previously unknown planets in the solar system. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies...