This Crash Course video explains how the solar system was formed and the many different theories people had about the solar system over time. The narrator speaks very clearly and uses simple vocabulary so that it is easy for everyone to follow along. This video also includes some facts about the planets, how they were formed, and what their relation is to the sun. What is great about this video is that there are graphics to go along with the dialogue. This allows students to be able to visualize how the solar system was created and how the solar system looks. What is also great about this video is that it is part of an Astronomy series. If the class is learning about all the aspects of the solar system, the other videos can be used to go along with the lesson. It could be a great introduction to the lesson or the unit. This video explains the solar system very clearly and in great detail so that elementary students, such as students from 3rd to 6th grade, will be able to understand and enjoy this video.