1. Why does the Earth experience seasons? (SC3)

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1 Plain Local 5th Grade cience LO pace cience 1. Why does the Earth experience seasons? (C3) A. The Earth is tilted on its axis B. The un is hotter in the pring and ummer C. The Earth gets less sun in the Fall and Winter D. The distance between the un and the Earth changes 2. Earth takes 365 ¼ days to orbit the un. Which of the following is a result of this fact? (C3) A. All calendars have 365 days B. February has 28 days instead of 30 C. An extra day is added every four years D. ome holidays are on different dates each year 3. The majority of asteroids are found in a belt located between what two planets? (C1) A. Earth and ars B. ars and Venus C. ars and Jupiter D. Jupiter and aturn 4. What keeps the Earth in its orbit? (C1) A. The un s speed rotating B. The un s gravitational pull C. The Earth s spin direction D. The Earth s location between other planets 5. A year on Jupiter is 4,333 days long. A year on ercury is 88 days long. Why do planets have different length years? (C1) A. A year is longer on larger planets B. Each planet has its own orbital period C. ome planets are larger than other planets D. Planets exert a gravitational force on other planets

2 6. When standing on the Earth, the oon and un appear to rise in the east and set in the west. What is responsible for this apparent movement of the sun and moon? (C3) A. The Earth revolves around the un. B. The Earth rotates on its axis C. The oon and un rotate on their axis. D. The un and oon move from east to west in pace. 7. The diagram shows the view of earth looking downward from the North Pole. Cleveland is located at approximately Point A. In 12 hours, predict the position of Cleveland compared to the sun. (C3) A. Cleveland will be at Position A B. Cleveland will be at Position B C. Cleveland will be at Position C D. Cleveland will be at Position D 8. In the diagram below, at which position in Earth s orbit will Ohio be experiencing winter? (C3) A. Position A B. Position B C. Position C D. Position D 9. What makes a star different from other objects in the solar system, such as planets, moons and asteroids? (C2) A. The oons and planets produce light B. tars orbit and planets do not C. tars produce their own light D. Planets go through a life cycle and stars do not

3 10. What regular motion causes the pattern of day and night on Earth? (C3) A. Earth rotates on its axis B. Earth orbits around the sun C. The moon rotates on its axis D. The moon orbits around the earth 11. If you were in the outhern Hemisphere standing on the dot in the diagram below, what season would you be experiencing? (C3) A. ummer B. Fall C. Winter D. pring 12. The sun is a star of average size and brightness. From Earth, the sun appears as a round, yellow object in the daytime sky. At night, we see other stars. They appear as tiny points of light. Why does the sun appear larger than stars that we see at night? (C2) A. Daylight brightens the sun, making it appear larger. B. tarlight bends as it passes planets, making stars appear smaller. C. The sun is closer to Earth than other stars, making the sun appear larger. D. Earth s atmosphere filters out light from other stars, making them appear smaller. 13. Which diagram correctly shows the orbit of the Earth (E) and moon () around the sun ()? (C3) A. Diagram A B. Diagram B C. Diagram C D. Diagram D A. B. E E C. E D. E 8; 50000EAXR0122A

4 14. HORT ANWER (2 pts.) any of the motions of the solar system are regular and predictable, meaning they happen over and over in a pattern. Identify one motion of the solar system and explain how this pattern repeats. Ecosystems: 15. HORT ANWER: (2 pts.) In the 1920 s grey wolves began to be killed off in Yellowstone National Park. They were hunted for fur and also because they were destroying farmers cattle. At the same time, the population of aspen trees in Yellowstone National Park began to decline. cientists believe that the loss of the wolves was connected to the decline in the aspen trees. When studying the food web in Yellowstone National Park, it was found that the wolves primary food source is elk. In addition, elk eat aspen trees. (A5) Construct a food chain to show the energy flow between organisms in the summary above. Predict what would happen in Yellowstone National Park if wolves were reintroduced to the ecosystem. 16. The three main groups that can be found in all ecosystems are the producers, consumers, and decomposers. Which choice gives an example of an organism from each group? (C4) A. mushroom, grass, tree B. grass, grasshopper, mushroom C. fungi, mushroom, flower D. dog, cat, mouse 17. Which statement best describes how energy is transformed during photosynthesis? (C5) A. chemical energy to heat energy B. light energy to chemical energy C. heat energy to chemical energy D. chemical energy to light energy

5 18. Where does most of the energy on earth originate? (C5) A. with the sun B. with consumers C. with decomposers D. with producers 19. In a forest, producers help organisms to survive. In the list below, identify the statement that DOE NOT correctly describe one of the roles of producers. (C4) A. Producers release oxygen into the air that animals breathe. B. Producers put nutrients back into the soil that plants use to grow. C. Producers provide shelter in forests where animals can hide. D. Producers use sunlight to make food for plants and animals. 20. Which of these eats producers? (C4) A. green plants B. primary (first- level) consumers C. secondary (second- level) consumers D. carnivores 21. Which of the following statements is true of all ecosystems? (C5) A. All ecosystems involve the constant transfer of energy. B. All ecosystems are the same size. C. All ecosystems contain identical weather patterns. D. All ecosystems contain the same kind of organisms. 22. What is the role of decomposers in a food web? (C4) A. Decomposers use sunlight to make food. B. Decomposers are a food source for plants. C. Decomposers break down dead plants and animals. D. Decomposers only eat plants that grow underground.

6 23. EXTENDED REPONE: (4 pts.) In your Answer Document, draw a food web using the five organisms shown below. When drawing the food web, be sure to use the names of the five organisms and draw arrows to trace the energy flow among the organisms. (C4) 24. According to the diagram below, how would the ecosystem be affected if the Leopard seal is removed? (C4) A. The population of Adelie Penguins will decrease B. The population of killer whales will increase C. The population of Adelie Penguins will increase D. The population of cod fish will decrease 25. Oxpeckers (a bird) land on zebras and eat ticks and other parasites that live on their skin. The oxpeckers get food and the zebras get pest control. Also, when there is danger, the oxpeckers fly upward and scream a warning, which helps the zebra become aware of danger. When two different organisms live together and interact with one another and both have a positive effect on each other, it is known as: (C4) A. ymbiosis B. utualism C. Commensalism D. Parasitism

7 26. The triggerfish creates feeding opportunities for smaller fish. When the triggerfish eats, it moves large rocks that smaller fish cannot move. After the triggerfish eats, the smaller fish move in to find food in this new location. The triggerfish is neither hurt nor helped by the smaller fish, but the small fish get to eat. This is an example of what symbiotic relationship? (C4) A. ymbiosis B. utualism C. Commensalism D. Parasitism Use the maps below to answer Question #27. ap of Giant Hogweed 2007 ap of Giant Hogweed Giant hogweed is a plant native to the Caucasus ountains in outhwest Asia. This invasive plant was introduced to New York around If touched, giant hogweed can be very dangerous as it can cause blistering, rashes on skin and in some cases, blindness. Which statement best predicts what will happen to giant hogweed if no actions are taken? (C4) A. By the year 2021, giant hogweed will be gone from the United tates. B. There is not enough provided information to answer this question. C. By the year 2021, giant hogweed will spread to cover more than half of the United tates. D. By the year 2021, giant hogweed will cover fewer states than in Which food chain is in the correct order? (C4) A. grasshopper grass snake frog hawk B. grasshopper frog hawk snake grass C. grass grasshopper frog snake hawk D. grass grasshopper snake frog hawk

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