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Middle School Science Review 2 (8th Grade)
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These 250+ science questions have been taken from the following state and regional science exams in the United States: AIMS-Arizona's Instrument to Measure Standards, Alaska Department of Education & Early Development, California Standards Test, MCAS-Massachusetts Comprehensive Assessment System, Maryland School Assessment, MEA-Maine Educational Assessment, MEAP-Michigan Educational Assessment Program, NAEP-National Assessment of Educational Progress, North Carolina End-of-Grade Assessment, New York State Educational Department Regents exams, Ohio Achievement Tests, TAKS-Texas Assessment of... Show more
Middle School Science Review 2 (8th Grade)
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25 Questions

1. A main function of a plant’s seed is to
2. Earth’s hydrosphere is a layer of
3. When the environment changes more quickly than a species can adapt A the species may become
4. The primary role of the endocrine system is to
5. How much time is required for a bicycle to travel a distance of 100 m at an average speed of 2 m/s?
6. Heat energy from the Sun is transferred to Earth primarily by which of the following processes?
7. An object composed mainly of ice is orbiting the Sun in an elliptical path. This object is most likely
8. Which type of organism converts wastes and dead materials into nutrients that can be used by plants?
9. What most likely happens when winter and summer temperatures are below normal and precipitation rates are above normal?
10. In the design process, a trade-off occurs when a problem is solved but a feature is sacrificed. Which of the following is an example of a trade-off?
11. Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?
12. Which system produces most of the hormones in the human body?
13. Which tool, when properly used, would best help a student classify a basket of apples into groups based on mass?
14. Which of the following is designed to convert energy into mechanical work?
15. The Appalachian Mountains, which extend from Canada to Alabama were much taller in the past than they are today. Which of the following two processes are most responsible for the decrease in the height of the Appalachian Mountains?
16. All of the different organisms interacting in a pond make up
17. Which of the following is found farthest from the center of an atom?
18. What is the smallest unit of a chemical compound that still has the properties of that compound?
19. Which layer of Earth is divided into plates?
20. A green plant absorbs light. A frog eats flies. These are both examples of how organisms
21. Heat transfer by conduction occurs when molecules
22. Which health condition is an infectious disease?
23. The Sun heats the atmosphere of Earth unevenly. Which of the following is the most likely result of this uneven heating?
24. Which structure is found in a plant cell but not in an animal cell?
25. Which of the following planets is always closer to the Sun than it is to Earth?