SESSION: 20 PAGE: 1 11/14/101 9:47 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest VIRGINIA STANDARDS OF LEARNING ASSESSMENTS Spring 2001 Released Test GRADE 8 SCIENCE SESSION: 19 PAGE: 2 11/14/101 8:38 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g3/DIV_g3mathtest Property of the Virginia Department of Education ᭧ 2001 by the Commonwealth of Virginia Department of Education, James Monroe Building, 101 N. 14th Street, Richmond, Virginia, 23219. All rights reserved. Except as permitted by law, this material may not be reproduced or used in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage or retrieval system, without written permission from the copyright owner. Commonwealth of Virginia public school educators may photocopy or print any portion of these Released Tests for educational purposes without requesting permission. All others should direct their requests to the Commonwealth of Virginia Department of Education at (804) 225-2102, Division of Assessment and Reporting. SESSION: 18 PAGE: 3 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest Science DIRECTIONS 1 Distances Javelin Travels Read each question carefully and choose the best When Thrown With Same Force answer. Then mark the space in the answer Y801C401 booklet for the answer you have chosen. ੭ C SAMPLE ArtCodes Y801C401.AR1 S601B103 ੬ Height C 75° 60° 45° ArtCodes 30° S601B103.AR1 15° These animals are grouped together because all of them — Distance ੭ A live in the water According to the graph, which angle of B are fish release would cause the javelin to go C are warm-blooded the farthest? D lay eggs A 75Њ B 60Њ C 45Њ ੭ D 30Њ 2 Which type of characteristics can be inherited? F Those controlled by genes ੭ ੭L713B402 G Those caused by accidents C H Those produced by exercise J Those produced by diet 3 SESSION: 18 PAGE: 4 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 3 Period 5 An experiment was set up to measure the distance a snail would travel in 5 Group minutes. Which of these rulers should Y804A413੬ 1 2 13 14 15 16 17 18 be used to give the most precise ੭S601D301 1 2 measurement? C 1 H He C L 3 4 5 6 7 8 9 10 ArtCodes 2 Li Be B C N O F Ne Y804A413.AR1 11 12 13 14 15 16 17 18 012 3 4 5 A 3 Na Mg 3 11 12 Al Si P S Cl Ar 19 20 21 29 30 31 32 33 34 35 36 4 cm K Ca Sc Cu Zn Ga Ge As Se Br Kr ArtCodes 37 38 39 4 47 48 49 50 51 52 53 54 S601D301.AR1 5 S601D301.AR2 Rb Sr Y Z Ag Cd In Sn Sb Te I Xe S601D301.AR3 55 56 * 79 80 81 82 83 84 85 86 012 3 4 5 S601D301.AR4 6 Cs Ba Au Hg Tl Pb Bi Po At Rn B ੭ 87 88 cm 7 Fr Ra halogens noble gases alkaline earth metals 012 alkali metals C inches Which element is an alkali metal? A K ੭ 012 B Mg D C Al inches D Ag 6 The ermine is a small animal that lives 4 Which of these can be separated by along riverbanks and in forests. using a magnet? During the spring and summer, it grows a brown coat. It sheds the ੭L709B402 S606A303 F A mixture of sand and salt brown coat during the autumn and ੬ C G Rust formed from iron and oxygen C grows a white one. This change of L H A compound of hydrogen and sulfur color in the ermine’s coat allows it J A mixture of sand and bits of iron ੭ to — F hide from predators ੭ G attract a mate H locate a water supply J find food more easily 4 SESSION: 18 PAGE: 5 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 7 Solar cells are used to turn sunlight 9 Marten Bear into — S604A302੬ A inertia ੭L711B401 B force C Praying C Owl Frog L C magnetism Mantis D electricity ੭ ArtCodes L711B401.AR1 Shrew Mouse Grasshopper 8 Cell wall Plants Chloroplasts Cell membrane L702A302 Which of these populations is most ੬ likely to increase if the number of C grasshoppers decreases? L ArtCodes A Plant ੭ L702A302.AR1 Nucleus Vacuole B Frog Cytoplasm C Praying mantis D Owl In this plant cell, which cellular structure is responsible for storing food, water, and wastes? F Cytoplasm G Vacuole ੭ H Nucleus J Cell membrane 5 SESSION: 18 PAGE: 6 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 10 The Earth makes a complete rotation 12 A wheelbarrow full of concrete mix once every 24 hours. Which of these that needs to be moved onto a platform would best illustrate rotation? could be moved either by lifting it S610D301੬ above the ground and setting it onto ੭Y810B301 the platform or by using an inclined C C plane. The advantage of using the L inclined plane is that the work can be done — ArtCodes 19891989 Y Y F more quickly S610D301.AR1 T T R R E S610D301.AR2 E B B I I L S610D301.AR3 L G with less friction S610D301.AR4 H using less force ੭ Coin Spinning Puck Sliding on Ice J using more energy FH੭ 13 mass Density = volume Mass = 12 g ੭Y801A406 Marble Going Around the Edge of a Plate Ball Falling C GJ ArtCodes 4 cm Y801A406.AR1 11 When animals hibernate, their heart 2 cm 3 cm rate and respiration decrease and they lose consciousness. Why do some L711A303੬ animals hibernate? The density of this box is — C 3 ੭ A To increase their body fat during cold A 0.5 g/cm L periods B 1.0 g/cm3 B To conserve energy usage during the C 1.5 g/cm3 ੭ 3 winter D 2.0 g/cm C To give their fur time to grow longer and thicker D To rest after a summer of high activity 6 SESSION: 18 PAGE: 7 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 14 Which of the following organisms 17 10 cm break down dead material and return the substances to the environment? S609A403੬ ੭S601E401 F Grasshopper and worm C C G Grass and algae H Bacteria and fungi ੭ ArtCodes S601E401.AR1 J Snake and grasshopper In the scale model above, one centimeter is equal to one-half of a meter. The mailbox is 2 truck lengths away from the model truck. How far away is the mailbox from the truck on the real street? 15 Which property is required of a liquid in order for it to be a good fuel? A 5 meters B 10 meters ੭ Y802E303 A Its acidity ੬ C 15 meters B Its combustibility ੭ C D 20 meters L C Its density D Its boiling point 18 Wherever civilizations have flourished, forests have been destroyed. Hundreds 16 of years ago in England, rivers and 5 6 7 seaports began to fill with silt after the੭L712B301 B C N forests were destroyed. What caused C Y804A101 Boron Carbon Nitrogen the silt to fill the seaports? ੬ 10.811 12.011 14.007 L C F Eutrophication 13 14 15 ArtCodes Al Si P G Succession Y804A101.AR1 Aluminum Silicon Phosphorous H Erosion ੭ 26.982 28.086 30.974 J Irrigation KEY 17 Atomic Number Cl Symbol Chlorine Name 35.453 Average Atomic Mass Which of these elements has the greatest average atomic mass? F B G C H N J Al ੭ 7 SESSION: 18 PAGE: 8 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 19 Which of the following does not use 21 Gases are much more compressible metric units to measure the density of than liquids. According to the particle a solution? model of matter, gases are more easily S601I402੬ compressed into smaller volumes ੭Y802A302 A 10.5 grams/milliliter because the particles in gases are — C C ੭ B 1.56 pounds/fluid ounce L A smaller C 1050 kilograms/cubic meter B more active D 1.05 grams/cubic centimeter C farther apart ੭ D filled with air 20 22 Nail S601E302 ੬ Baby Blue Whale C Y811B401 L ੭ ArtCodes C S601E302.AR1 2 m Man ArtCodes Y811B401.AR1 Battery According to the scale shown above, what is the approximate length of the baby blue whale? F 2 meters The picture shows how to make an G 4 meters ੭ electromagnet. Which of these would H 6 meters make the electromagnet strongest? J 10 meters F Using a longer wire from the battery to the nail G Wrapping the wire around the nail more times ੭ H Wrapping the wire around a nonmetallic object J Making the loops of wire less tightly coiled 8 SESSION: 18 PAGE: 9 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 23 25 Sea Lions True Seals external ears no external ears L710C401 L705A407 ੬ hind flippers can hind flippers do not ੭ C turn forward turn forward C ArtCodes swim with front swim with hind L710C401.AR1 flippers flippers soles of flippers flippers fully furred bare Which of these best enables this animal According to this chart, which of these to rid its body of excess heat in a hot animals is a sea lion? desert environment? A Its large ears ੭ B Its flexible feet A C Its sandy color ArtCodes D Its fur L705A407.AR1 L705A407.AR2 L705A407.AR3 L705A407.AR4 B 24 What type of animals live in a wetland? Which type of report would probably provide the most accurate answer to the S602A402 above question? ੬ C ੭ C F “Water Quality in Wetlands,” published by the United States Geological Survey G “Endangered Species in Our Wetlands,” by a reporter for the Daily Globe Newspaper H “Birds of Wetlands” in Science, the journal for the American Association for D the Advancement of Science J “Organisms in Wetlands,” a report on the internet by the Chesapeake Bay Foundation ੭ 9 SESSION: 18 PAGE: 10 11/7/101 10:41 LOGIN IS-pam PATH: @sun1/xydisk2/CLS_psycorp/GRP_virginia/JOB_537591g8/DIV_g8scitest 26 28 Air Organism Environment Raw Materials Products A bacteria darkness light energy, sugar Y809A401 soil S608A405 ੬ 1 ੭ C B plant darkness oxygen, carbon C Water glucose dioxide, ArtCodes water Y809A401.AR1 Air C plant light carbon dioxide, sugar, water oxygen 2 D plant light amino acids, proteins oxygen Water According to the chart, which set of Air conditions represents the process of photosynthesis? 3 F A Water G B H C ੭ Air J D 4 Water 29 Compounds are made up of more than Which diagram shows the refraction of one element.