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Assessment ofthe Next Generation Science Standards\n\nGrade 8Test Booklet  \nPractice Test  \nUnit 1  \nWelcome!Today you will take unit 1 of the DC Science Assessment Practice Test.  \nTo respond to the tasks on this test,you may be asked to review information inthe form of text,images,data tables,and graphs.Analyze all the informationand tasks carefully and then respond to each task.You may need to read acrossmultiple pages to see all the information.You will be allowed to use a calculatorfor all units in this test.  \nSome tasks require more than one response.You may look back at theinformation as often as necessary.  \nFor tasks that ask you to explain,describe,or answer in your own words,writeyour responses in the space provided.You may use scratch paper to organizeyour thinking before writing your response in the space provided.  \nFor tasks that ask you to fill in the blank spaces or write answers in the correctbox,you may write the letter corresponding to the response or write the entireresponse in the blank space.  \nIf you are unsure about an answer,select or compose an answer you think is thebest response.You can always go back to the items you are unsure of afteryou've answered all other questions in the unit.  \nFinally,before beginning the test,please write your name on the top of the coverpage and wait for the test administrator to inform you to turn the page.  \nUnit 1  \nUnit 1  \nStudents hear about a spearfishing tournament where the top prize is awarded tothe team who brings back the most lionfish.They wonder why the only fish beingcaught in this tournament are lionfish.They learn that lionfish are native to thePacific and Indian Oceans and had not been seen in the Atlantic Ocean or theGulf of Mexico at all until 1980.The lionfish population in the Atlantic Ocean hasgreatly increased since 2010.After researching more about lionfish,the studentsrecord the facts that they found.Figure 1 shows the number of lionfish sightings atthree banks¹(Bank 1,Bank 2,and Bank 3)along the Florida coast in the Gulf ofMexico.  \nThe students learned some facts about lionfish in the Atlantic Ocean from 2015to 2016.  \nBiology  \n● 50,000 eggs laid by a lionfish every 3 days  \n●1 year until maturity  \n● 18 venomous spikes as adult  \nDistribution  \n·ability to reach depths of 300 meters  \n·population 17 times more dense in the Atlantic Ocean than the Pacific Ocean  \n·no known natural predators  \n·over 100 prey fish species  \n●1,000 lionfish can eat 5 million prey fish in 1 year  \nPopulation Control  \n·64 restaurants serving lionfish  \n·28,770 lionfish captured during sanctioned spearfishing events  \n·spearfishing divers can reach depths of 40 meters  \nUnit 1  \nUnit 1  \nFigure 1 shows lionfish sightings at three banks¹(Bank 1,Bank 2,Bank 3)alongthe Florida coast in the Gulf of Mexico.  \nFigure 1.Number ofLionfish Sightings  \nCumulative Sightings  \nYear  \n## 1.  Based on the information provided,why are lionfish in the Atlantic Ocean aproblem that needs to be controlled?\n\nA Lionfish have a rapid reproductive cycle.  \n⑧Lionfish are sought after by seafood restaurants.  \nC Lionfish have venomous spikes that are hazardous to human divers.  \n◎ Lionfish are an invasive species that is disrupting Atlantic Oceanecosystems.  \n## 2.  Why has the lionfish population dramatically increased in theAtlantic Ocean?\n\nSelect two correct answers.  \nA Lionfish are eaten by humans.  \n⑧Lionfish have no natural predators.  \n@Lionfish have a fast reproductive rate.  \n①Lionfish can reach depths of 100 meters.  \n⑤Lionfish have been present in the Atlantic Ocean since 1980.  \nUnit 1  \nUnit 1  \n## 3.  Use the information in Table 1 and Figure 1 to complete the followingsentences.\n\nWrite the correct answer in each box.Not all answers will be used.  \nA.2010B.2015C.2017D.captureE.invasion  \nF.zeroG.400H.850I.2500  \nLionfish first appeared in the Bank 1 of the sanctuary in.Their numbers increased untilwhenbegan.If controlmeasures had not ","cbCaigeaD66lPUtu","https://ap.wps.com/l/cbCaigeaD66lPUtu","pdf",22380129,124,"English","# Welcome\n## Unit 1\n### Scenario and background information\n### Figure 1: Number of Lionfish Sightings\n## Questions\n## Impact on Atlantic Ocean ecosystems","[{\"question\":\"Why are lionfish in the Atlantic Ocean a problem that needs to be controlled?\",\"answer\":\"Lionfish disrupt Atlantic Ocean ecosystems as an invasive species by affecting prey populations, and their rapid spread increases the risk of damaging local food webs.\"},{\"question\":\"How did students use data to answer the questions?\",\"answer\":\"Students read the scenario and the figure showing cumulative lionfish sightings at three banks, then used those patterns with the given terms to complete missing information in the sentences.\"},{\"question\":\"What impact do lionfish have on Atlantic Ocean ecosystems?\",\"answer\":\"Lionfish act as predators consuming many prey fish species, which can reduce biodiversity and limit food availability for other predators. Humans respond by beginning lionfish population control measures.\"}]","Grade 8 Test Booklet - Unit 1 - DC Science Assessment Practice Test | PDF",1790804008,312]