Sample eighth grade science test questions and answers are available at HS-StaffServer.St.James.K12. This website provides links to 30 quizzes that are self-scoring and directly related to chapters covered in eighth grade science.
The quizzes are multiple choice and cover a wide variety of topics that include measurements and metrics, the solar system, minerals, surface mapping and glaciers. Each quiz consists of 10 sample questions that can be taken on a computer, iPad or tablet. In addition, this site provides links to supplemental reading, a syllabus, access to related sites that feature earth science and audio broadcasts.
Eighth grade science typically consists of earth science and physical science in which students study the earth through hands-on experiments and learn about topics that include fossils, minerals and gravity.