This is a quick homework assignment or formative assessment for students to better understand the differences and similarities between comets, asteroids, and meteoroids. Students are given a large Venn Diagram with 18 different characteristics about comets, asteroids, and meteoroids. Students cut out each characteristic and paste them into the correct circle on the Venn Diagram. This could also turn into an inquiry activity before students learn about comets, asteroids, and meteoroids as a wa