This gives you a total of mini quizzes. There is one quiz for Investigation 1, one quiz for Investigation 2, two quizzes for Investigations 3, 4, and 5. The quizzes for investigations 1 and 2 have 14 questions and 7 are matching and 7 are true-false. The quizzes for Investigations 3,4,and 5, have ten questions. 5 are matching and 5 are true-false. The answer key is included. A great way to get some extra grades.