Asteroids, Comets and Meteoroids - What's the Difference? - Activity Bundle - PowerPoint, Student Copy, and Activity Sheets. Includes 14 slide PowerPoint that details the differences between asteroids, comets, meteoroids, meteors and meteorites. PowerPoint includes engaging images and animations! PowerPoint also includes a student copy that the teacher can print out and have student use to take notes with. The activity sheets will help students understand the differences between asteroids, c