How do scientists know the difference between a meteorite from space and a regular rock from the earth? Scholars read a passage and answer comprehension questions about the creation of the solar system. They extrapolate the main ideas to...

Finish or launch your unit on the solar system with a jigsaw project covering major celestial concepts such as the Milky Way Galaxy, asteroids, meteors, comets, Earth's moon, and, of course, all the planets. Learners start by...

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...