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These questions will be found in your test booklet.  \nFor all questions:  \n• Read each question carefully and choose the best answer.  \n• You may use scratch paper to solve the problems.  \n• You may not use a calculator on this test.  \n• Be sure to answer ALL the questions on your answer sheet.  \n• Only one of the answers provided is the correct response.  \nWhen you come to the word STOP at the end of Session 1, you have finished Session 1 of the Grade 8 Science Test. You may review Session 1 only to check your answers. Make sure you have marked all of your answers clearly and that you have completely erased any marks you do not want. When you are finished, put your answer sheet inside your test booklet and close your test booklet.  \nSP12S08XP01 2 STOP.  \n1. Use the tables below to answer the question.  \nInvestigation 1  \n\n| Swing | Chain Length | Number of Swingsin 60 Seconds | Release Point |\n| --- | --- | --- | --- |\n| 1 | 250 centimeters | 18 | Full |\n| 2 | 220 centimeters | 20 | Full |\n| 3 | 190 centimeters | 22 | Full |\n\nInvestigation 2  \n\n| Swing | Chain Length | Number of Swingsin 60 Seconds | Release Point |\n| --- | --- | --- | --- |\n| 1 | 250 centimeters | 18 | 3 4 |\n| 2 | 220 centimeters | 20 | 1 2 |\n| 3 | 190 centimeters | 22 | 1 4 |\n\nStudents perform an investigation using the swings on a playground. One of the students sits on swing 1 . The swing is pulled as far as it could go and is released. The students count the number of swings in 60 seconds. The same student sits on swings 2 and 3, and repeats the procedure.  \nThe students perform a second investigation, but this time with three different release points. The students want to find out if the release point affects the number of swings in 60 seconds. They conclude that the release point does not affect the number of swings in 60 seconds. What is the experimental design flaw in their second investigation?  \nA. chain length and time are both changed  \nB. all variables are controlled except chain length  \nC. release point and chain length are both changed  \nD. all variables are controlled except release point  \n635006 / I1  \nSP12S08XP01 3 Go on to the next page.  \n2. Which is the most basic unit of matter?  \nA. compound  \nB. element  \nC. mixture  \nD. molecule  \n635016 / I2  \n3. What is the measure of the pull of gravity on an object?  \nA. inertia  \nB. mass  \nC. pressure  \nD. weight 635042 / I3  \n4. What is the main function of an individual muscle cell?  \n[A. to](A. to) grow and repair tissues  \n[B. to](B. to) relax and contract tissues  \n[C. to](C. to) support and protect organs  \n[D. to](D. to) transmit and receive impulses 635062 / I4  \nSP12S08XP01 4 Go on to the next page.  \n5. Use the diagram below to answer the question.  \nGeologic Cross-Section  \n\n|  |\n| --- |\n|  |\n| \u003Cbr>|\n\nsurface  \nWhat describes the event that occurred along line XY?  \nA. erosion  \nB. faulting  \nC. sedimentary deposition  \nD. volcanic eruption  \n635122 / I5  \n6. Which natural process results in offspring that are genetically identical to one parent?  \nA. asexual reproduction  \nB. complete metamorphosis  \nC. sexual reproduction  \nD. incomplete metamorphosis  \n635073 / I6  \nSP12S08XP01 5 Go on to the next page.  \n7. Use the pictures and table below to answer the question.  \ncardinal pelican hummingbird  \nBird Beaks and Diets  \n\n| Characteristics of Beak | Diet |\n| --- | --- |\n| short and pointed for cracking | seeds and nuts |\n| wide and deep for skimming | small fish and crustaceans |\n| long and pointed for probing | insects and nectar |\n| curved and sharp for ripping | small mammals and fish |\n\nwarbler  \nWhat does a warbler MOST likely eat?  \n[A. fish](A. fish) and insects  \nB. in","cbCaimymjOweccIy","https://ap.wps.com/l/cbCaimymjOweccIy","pdf",1020886,13,"English","# Directions\n## Session 1 instructions\n# Investigation questions\n## Investigation 1\n## Investigation 2\n# Science multiple-choice questions","[{\"question\":\"How many answer choices are provided for each question, and how should students respond?\",\"answer\":\"Each question asks students to select the best answer from four choices. Only one of the provided answers is correct.\"},{\"question\":\"What is the key flaw in the students’ second investigation about release point?\",\"answer\":\"The flaw is that multiple variables are changed, so the release point is not tested in isolation.\"},{\"question\":\"What do students do when they reach STOP at the end of Session 1?\",\"answer\":\"Students have finished Session 1 and may review it only to check answers, then confirm all marks are clear and erase unwanted marks before submitting the answer sheet inside the booklet.\"}]","Grade 8 Science Practice Test - Nebraska State Accountability–Science (NeSA–S) Session 1 | PDF",1790804002,33]