Complete solar system unit! Study guide and test included!Your students will learn about the order of the planets, read articles and complete crossword puzzles about each planet! This unit consists of a cover page, a display of the order of the planets and a blank one to fill in. I have also included an article about each of the planets and a crossword that follows each article. Answers to the crosswords can be found in the articles.At the end of the unit there is a study guide and test that out