20 Questions Science Review: Middle School Standards This kahoot reviews physical, earth, and life sciences for grades 6 to 8. Which of the following is NOT true about all scientific investigations? they should be replicable they should be repeatable they should be based on opinion their data should be carefully recorded What is the name of this landform, commonly seen on coastlines and in deserts? glacier mountain delta dune T/F: Scientists come from all backgrounds and possess varied talents, interests, and goals. True False … and 17 more awesome questions! Check them out by clicking “Play”.