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The reference section also contains directions for answering multiple-choice and gridable questions and sample items, including topics like selective breeding and density calculations.",{"@graph":14,"@context":73},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/document/","Document",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/document/exam/","Exam",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/document/staar-grade-8-science-reference-materials-formulas-periodic-table-and-practice-questions/268880/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/staar-grade-8-science-reference-materials-formulas-periodic-table-and-practice-questions/268880.png","ImageObject",300,407,{"name":42,"@type":43},"Maya Linwood","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-27","2026-09-15",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",25,{"@type":57,"mainEntity":58},"FAQPage",[59,65,69],{"name":60,"@type":61,"acceptedAnswer":62},"What formula is used to calculate density in the reference materials?","Question",{"text":63,"@type":64},"Density is given by Density = mass/volume (D = m/V).","Answer",{"name":66,"@type":61,"acceptedAnswer":67},"How do the directions instruct students to answer multiple-choice questions?",{"text":68,"@type":64},"Students read each question carefully, then determine the best answer from the four provided choices and record it on the answer document.",{"name":70,"@type":61,"acceptedAnswer":71},"What sample question topic involves using selective breeding to increase milk production?",{"text":72,"@type":64},"The practice item asks how dairy farmers can use selective breeding to increase milk output, focusing on choosing high milk producers.","https://schema.org",{"og:url":32,"og:type":75,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":77,"canonical":32},"index,follow",{"doc_id":79,"site_id":7},268880,1789438363,{"code":4,"msg":82,"data":83},"success",[84,88,92,95,100,105,110,115,120,123,127],{"id":22,"doc_module":4,"doc_module_name":25,"category_name":85,"show_sort_weight":86,"slug":87},"Story & Novel",90,"story-novel",{"id":26,"doc_module":4,"doc_module_name":25,"category_name":89,"show_sort_weight":90,"slug":91},"Literature",80,"literature",{"id":33,"doc_module":4,"doc_module_name":25,"category_name":29,"show_sort_weight":93,"slug":94},70,"exam",{"id":96,"doc_module":4,"doc_module_name":25,"category_name":97,"show_sort_weight":98,"slug":99},5,"Comic",60,"comic",{"id":101,"doc_module":4,"doc_module_name":25,"category_name":102,"show_sort_weight":103,"slug":104},6,"Technology",50,"technology",{"id":106,"doc_module":4,"doc_module_name":25,"category_name":107,"show_sort_weight":108,"slug":109},7,"Healthcare",40,"healthcare",{"id":111,"doc_module":4,"doc_module_name":25,"category_name":112,"show_sort_weight":113,"slug":114},8,"Research & Report",30,"research-report",{"id":116,"doc_module":4,"doc_module_name":25,"category_name":117,"show_sort_weight":118,"slug":119},9,"Religion & Spirituality",20,"religion-spirituality",{"id":118,"doc_module":4,"doc_module_name":25,"category_name":121,"show_sort_weight":118,"slug":122},"World Cup","world-cup",{"id":124,"doc_module":4,"doc_module_name":25,"category_name":125,"show_sort_weight":124,"slug":126},10,"Lifestyle","lifestyle",{"id":128,"doc_module":4,"doc_module_name":25,"category_name":129,"show_sort_weight":96,"slug":130},19,"General","general",{"code":4,"msg":82,"data":132},{"doc_id":79,"user_id":133,"nickname":42,"user_avatar":134,"doc_module":4,"category_id":33,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":140,"language":141,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":12,"update_tm":80,"read_time":145},962084928432,"https://ap-avatar.wpscdn.com/davatar_155a257f0dc6eb9ab79c44ca47cae57d","| | |\n| --- | --- |\n|  | |\n\nGRADE 8  \nScience  \nAdministered April 2013  \nRELEASED  \nCopyright © 2013, Texas Education Agency. All rights reserved. Reproduction of all or portions of this work is prohibited without express written permission from the Texas Education Agency.  \nSTAAR GRADE 8 SCIENCE REFERENCE MATERIALS  \n\n| | STARTM |\n| --- | --- |\n|  | State of Texas Assessments of Academic Readiness |\n\n\n| \u003Cbr>FORMULAS |  |  |  |\n| --- | --- | --- | --- |\n| Density = vmassolume | D | = | m\u003Cbr>\u003Cbr>V |\n| Average speed  total distance\u003Cbr>= total time | s | = | d\u003Cbr>t |\n| Net force = (mass)(acceleration) | F | = | ma |\n| Work = (force)(distance) | W | = | Fd |\n\nPage 3  \nPage 4  \nSTAAR GRADE 8 SCIENCE REFERENCE MATERIALS  \nPERIODIC TABLE OF THE ELEMENTS  \n1  \n2  \n3  \n4  \n5  \n6  \n7  \n1  \n1A  \n18  \n8A  \n2 2A  \nBe  \n3 3B  \nSc  \n4  \n4B  \nTi  \nAtomic number Symbol  \nAtomic mass  \n5  \n5B  \nV  \n6  \n6B  \nCr  \nName  \n7 ~~ 8 9 10 ~~ 11  \n7B 8B 1B  \nMn Fe Co  \n12  \n2B  \n13  \n3A  \n14  \n4A  \n15  \n5A  \n16  \n6A  \n17  \n7A  \nMass numbers in parentheses are those of the most stable or most common isotope.  \n1 H  \n1.008 Hydrogen  \n2  \nHe  \n4.003 Helium  \n80  \nHg  \n200.59 Mercury  \n48  \nCd  \n112.412 Cadmium  \n30  \nZn  \n65.38 Zinc  \n79  \nAu  \n196.967 Gold  \n47  \nAg  \n107.868 Silver  \n29  \nCu  \n63.546 Copper  \n\n| 78\u003Cbr>Pt\u003Cbr>195.085\u003Cbr>Platinum |\n| --- |\n| 110\u003Cbr>Ds\u003Cbr>(281)\u003Cbr>Darmstadtium |\n\n46  \nPd  \n106.42 Palladium  \n28  \nNi  \n58.693 Nickel  \n\n| 49\u003Cbr> In\u003Cbr>Indium |\n| --- |\n| 81\u003Cbr>Tl\u003Cbr>204.383\u003Cbr>Thallium |\n\n31  \nGa  \n69.723  \n82  \nPb  \n207.2 Lead  \n114.818  \n50  \nSn  \n118.711  \nTin  \n32  \nGe  \n72.64  \n83  \nBi  \n208.980  \n51  \nSb  \n121.760  \n33  \nAs  \n74.922  \n84  \nPo  \n(209)  \nAntimony  \n52  \nTe  \nTellurium  \n34  \nSe  \n78.96  \nBismuth  \nPolonium  \n\n| 53\u003Cbr> I \u003Cbr>Iodine |\n| --- |\n| 85\u003Cbr>At\u003Cbr>(210)\u003Cbr>Astatine |\n\nGallium  \nGermanium  \nArsenic  \nSelenium  \n35  \nBr  \n79.904 Bromine  \n86  \nRn  \n(222) Radon  \n127.60  \n126.904  \n54  \nXe  \n131.294 Xenon  \n36  \nKr  \n83.798 Krypton  \n13  \nAl  \n26.982  \n14  \nSi  \n28.086  \n15  \nP  \n30.974  \nAluminum  \nSilicon  \nPhosphorus  \n16  \nS  \n32.066 Sulfur  \n17  \nCl  \n35.453 Chlorine  \n18  \nAr  \n39.948 Argon  \n5 B  \n10.812 Boron  \n6 C  \n12.011 Carbon  \n7 N  \n14.007  \nNitrogen  \n8 O  \n15.999 Oxygen  \n9 F  \n18.998 Fluorine  \n10  \nNe  \n20.180 Neon  \n19  \nK  \n39.098  \n20  \nCa  \n40.078  \n11  \nNa  \n22.990  \nSodium  \n12  \nMg  \n24.305 Magnesium  \n3  \nLi  \n6.941  \nLithium  \n4  \n9.012 Beryllium  \n21  \n44.956  \n22  \n47.867  \n23  \n50.942  \n24  \n51.996  \nPotassium  \nCalcium  \nScandium  \nTitanium  \nVanadium  \nChromium  \n25  \n54.938 Manganese  \n26  \n55.845 Iron  \n27  \n58.933 Cobalt  \n37  \nRb  \n85.468  \n38  \nSr  \n87.62  \n39  \nY  \n88.906  \n40  \nZr  \n91.224  \n41  \nNb  \n92.906  \n42  \nMo  \n95.96  \n43  \nTc  \n(98)  \n44  \nRu  \n101.07  \n55  \nCs  \nCesium  \n132.905  \n\n| 56\u003Cbr>Ba\u003Cbr>137.328 Barium\u003Cbr>| 71\u003Cbr>Lu\u003Cbr>174.967\u003Cbr>Lutetium |\n| --- | --- |\n\n72  \nHf  \n178.49 Hafnium  \n73  \nTa  \n180.948  \n74  \nW  \n183.84  \nTantalum  \nTungsten  \n75  \nRe  \n186.207 Rhenium  \n76  \nOs  \n190.23 Osmium  \n77  \n192.217  \n87  \nFr  \n(223)  \nFrancium  \n\n| 88\u003Cbr>Ra\u003Cbr>(226)\u003Cbr>Radium | 103\u003Cbr>Lr\u003Cbr>(262)\u003Cbr>Lawrencium |\n| --- | --- |\n\n104  \nRf  \n(267)  \nRutherfordium  \n105  \nDb  \n(268) Dubnium  \n106  \nSg  \n(271)  \nSeaborgium  \n107  \nBh  \n(272) Bohrium  \n108  \nHs  \n(270)  \nHassium  \n109  \nMt  \n(276) Meitnerium  \nRubidium  \nStrontium  \nYttrium  \nZirconium  \nNiobium  \nMolybdenum  \nTechnetium  \nRuthenium  \n45  \nRh  \n102.906 Rhodium  \n I r  \nIridium  \n111  \nRg  \n(280)  \nRoentgenium  \nLanthanide Series  \nActinide Series  \n| 57\u003Cbr>La\u003Cbr>138.905\u003Cbr>Lanthanum | 58\u003Cbr>Ce\u003Cbr>140.116\u003Cbr>Cerium | 59\u003Cbr>Pr\u003Cbr>140.908\u003Cbr>Praseodymium | 60\u003Cbr>Nd\u003Cbr>144.242\u003Cbr>Neodymium | 61\u003Cbr>Pm\u003Cbr>(145)\u003Cbr>Promethium | 62\u003Cbr>Sm\u003Cbr>150.36\u003Cbr>Samarium | 63\u003Cbr>Eu\u003Cbr>151.964\u003Cbr>Europium | 64\u003Cbr>Gd\u003Cbr>157.25\u003Cbr>Gadolinium | 65\u003Cbr>Tb\u003Cbr>158.925\u003Cbr>Terbium | 66\u003Cbr>Dy\u003Cbr>162.500\u003Cbr>Dysprosium | 67\u003Cbr>Ho\u003Cbr>164.930\u003Cbr>Holmium | 68\u003Cbr>Er\u003Cbr>167.259\u003Cbr>Erbium | 69\u003Cbr>Tm\u003Cbr>168.934\u003Cbr>Thulium | 70\u003Cbr>Yb\u003C","cbCaiiiDPgBRGs2F","https://ap.wps.com/l/cbCaiiiDPgBRGs2F","pdf",1736781,48,"English","# Formulas\n## Density and Kinematics\n## Forces and Work\n# Periodic Table of the Elements\n# Directions\n## Answering Multiple-Choice and Gridable Questions\n# Sample Questions\n## Selective Breeding for Milk Production\n## Calculating Density of a Mineral","[{\"question\":\"What formula is used to calculate density in the reference materials?\",\"answer\":\"Density is given by Density = mass/volume (D = m/V).\"},{\"question\":\"How do the directions instruct students to answer multiple-choice questions?\",\"answer\":\"Students read each question carefully, then determine the best answer from the four provided choices and record it on the answer document.\"},{\"question\":\"What sample question topic involves using selective breeding to increase milk production?\",\"answer\":\"The practice item asks how dairy farmers can use selective breeding to increase milk output, focusing on choosing high milk producers.\"}]","STAAR Grade 8 Science Reference Materials - Formulas, Periodic Table, and Practice Questions | PDF",121]