Description: In part three of three, Mrs. Nichols with Tops models how to use a 4-square graphic organizer for completing an activity involving sequence of events. VERY IMPORTANT in helping children understand the sequence of a story.
Description: Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"