North arolina Testing Program EO Physical Science Sample Items Goal 6 1. How are potassium and calcium similar? 4. Which elements are in the same period? same number of valence electrons lead and sodium same oxidation number oxygen and helium same number of protons silver and tin same number of energy levels tin and lead 2. n element on the far left side of the periodic table will have what property? a tendency to avoid reactions a tendency to share electrons when reacting 5. Which compound is formed when aluminum bonds with fluorine? lf lf2 lf3 a tendency to gain electrons when reacting a tendency to lose electrons when reacting l3f 6. Which pair of elements will most readily form a compound? 3. Which elements would most likely react with Group 2 (2) metals? alkali metals halogens noble gases Li and Ne Li and F Li and e Li and transition metals Page 1 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 7. Which compound is most likely formed using covalent bonds? SiO2 KO 2 Kr ar2 8. teacher demonstrates a decomposition reaction. Which would be a correct demonstration? burning magnesium in the presence of oxygen to produce magnesium oxide burning methane in the presence of oxygen to produce carbon dioxide and water running an electrical current through water to produce hydrogen and oxygen reacting iron with oxygen to produce iron(iii) oxide 9. Which equation represents a double replacement reaction? 2KlO 3 2Kl + 3O2 ar 2 + Na2O 3 ao3 + 2Nar Zn + S ZnS 2Li + Fer2 2Lir + Fe Page 2 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 10. chemical reaction is represented by this equation. What is a product of this chemical reaction? 2Fe2O 3 4Fe + 3O2 FeO F O2 Fe2O3 11. Which is a correctly balanced chemical equation? K 2O3 + al2 Kl + ao3 K 2O3 + al2 2Kl + ao3 K 2O3 + 2al2 2Kl + ao3 K 2O3 + 2al2 Kl + 2aO3 Page 3 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 12. The reaction of ao and water is exothermic. student mixes the two chemicals in a test tube and touches the side of the test tube. Which statement describes the student s observation? The test tube becomes hot as heat is released. 13. Solutions of lead(ii) nitrate and potassium dichromate are mixed. The solution turns cloudy and yellow. Solid yellow particles fall to the bottom of the beaker. Which statement best describes this reaction? precipitate formed. The test tube becomes hot as heat is absorbed. The test tube becomes cold as heat is released. gas formed. The reaction is exothermic. The reaction is endothermic. The test tube becomes cold as heat is absorbed. Page 4 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 14. 100 90 80 70 60 50 40 30 20 10 Solubility urve Hl NH 4 l NH 3 Kl gases solids 0 10 20 30 40 50 60 70 80 90 Temperature ( ) 100 Which solute exhibits the least response to temperature change? NH 4 l Kl Hl NH 3 Page 5 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 15. In an experiment, a researcher collected the following information about a solution made from a certain food: ph = 3 taste = sour reactivity = reacts with metals ased on the information, what best describes this solution? acid base salt neutral 16. This is a ph chart of common materials. ola ola heese aking Soda leach 0 1 3 5 7 9 11 13 Which substance is the most basic? ola heese aking Soda leach Page 6 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 17. Which action would most effectively slow down the dissolving of a sugar cube in water? 19. The loss of an alpha particle has what effect on the atomic number and mass number of an atom? cooling the water crushing the sugar heating the water tomic number and mass number both decrease. tomic number increases; mass number decreases. stirring the water tomic number decreases; mass number increases. 18. Which substance in water will conduct electricity? tomic number and mass number both increase. corn starch salt sugar vegetable oil Page 7 Published ecember 2007. May reproduce for instructional and
North arolina Testing Program EO Physical Science Sample Items Goal 6 20. Which best contrasts nuclear fission and nuclear fusion? fission: splitting of small nuclei fusion: joining of large nuclei fission: splitting of large nuclei fusion: joining of small nuclei fission: joining of small nuclei fusion: joining of large nuclei fission: needs extremely low temperatures fusion: needs slightly higher temperatures than fission End of Goal 6 Sample Items In compliance with federal law, including the provisions of Title IX of the Education mendments of 1972, the epartment of Public Instruction does not discriminate on the basis of race, sex, religion, color, national or ethnic origin, age, disability, or military service in its policies, programs, activities, admissions or employment. Page 8 Published ecember 2007. May reproduce for instructional and
EO Physical Science TestI: 4602 Sample Items Key Report 1 Objective: 6.01 nalyze the periodic trends in the physical and chemical properties of elements. a. Groups (families). b. Periods. Thinking Skill: pplying orrect nswer: 2 Objective: 6.01 nalyze the periodic trends in the physical and chemical properties of elements. a. Groups (families). b. Periods. Thinking Skill: pplying orrect nswer: 3 Objective: 6.01 nalyze the periodic trends in the physical and chemical properties of elements. a. Groups (families). b. Periods. Thinking Skill: nalyzing orrect nswer: 4 Objective: 6.01 nalyze the periodic trends in the physical and chemical properties of elements. a. Groups (families). b. Periods. Thinking Skill: pplying orrect nswer: 5 Objective: 6.02 Investigate and analyze the formation and nomenclature of simple inorganic compounds. a. Ionic bonds (including oxidation numbers). b. ovalent bonds. c. Metallic bonds. Thinking Skill: pplying orrect nswer: 6 Objective: 6.02 Investigate and analyze the formation and nomenclature of simple inorganic compounds. a. Ionic bonds (including oxidation numbers). b. ovalent bonds. c. Metallic bonds. Thinking Skill: nalyzing orrect nswer: Tuesday, ecember 04, 2007 Page 1
EO Physical Science TestI: 4602 Sample Items Key Report 7 Objective: 6.02 Investigate and analyze the formation and nomenclature of simple inorganic compounds. a. Ionic bonds (including oxidation numbers). b. ovalent bonds. c. Metallic bonds. Thinking Skill: nalyzing orrect nswer: 8 Objective: 6.03 Identify the reactants and products of chemical reactions and balance simple equations of various types: a. Single replacement. b. ouble replacement. c. ecomposition Thinking Skill: pplying orrect nswer: 9 Objective: 6.03 Identify the reactants and products of chemical reactions and balance simple equations of various types: a. Single replacement. b. ouble replacement. c. ecomposition Thinking Skill: pplying orrect nswer: 10 Objective: 6.03 Identify the reactants and products of chemical reactions and balance simple equations of various types: a. Single replacement. b. ouble replacement. c. ecomposition Thinking Skill: pplying orrect nswer: 11 Objective: 6.03 Identify the reactants and products of chemical reactions and balance simple equations of various types: a. Single replacement. b. ouble replacement. c. ecomposition Thinking Skill: pplying orrect nswer: Tuesday, ecember 04, 2007 Page 2
EO Physical Science TestI: 4602 Sample Items Key Report 12 Objective: 6.04 Measure and analyze the indicators of chemical change including: a. evelopment of a gas. b. Formation of a precipitate. c. Release/absorption of energy (heat or light). Thinking Skill: Knowledge orrect nswer: 13 Objective: 6.04 Measure and analyze the indicators of chemical change including: a. evelopment of a gas. b. Formation of a precipitate. c. Release/absorption of energy (heat or light). Thinking Skill: pplying orrect nswer: 14 Objective: 6.05 Investigate and analyze the properties and composition of solutions: a. Solubility curves. b. oncentration. c. Polarity. d. ph scale. e. Electrical conductivity. Thinking Skill: nalyzing orrect nswer: 15 Objective: 6.05 Investigate and analyze the properties and composition of solutions: a. Solubility curves. b. oncentration. c. Polarity. d. ph scale. e. Electrical conductivity. Thinking Skill: nalyzing orrect nswer: 16 Objective: 6.05 Investigate and analyze the properties and composition of solutions: a. Solubility curves. b. oncentration. c. Polarity. d. ph scale. e. Electrical conductivity. Thinking Skill: nalyzing orrect nswer: Tuesday, ecember 04, 2007 Page 3
EO Physical Science TestI: 4602 Sample Items Key Report 17 Objective: 6.05 Investigate and analyze the properties and composition of solutions: a. Solubility curves. b. oncentration. c. Polarity. d. ph scale. e. Electrical conductivity. Thinking Skill: nalyzing orrect nswer: 18 Objective: 6.05 Investigate and analyze the properties and composition of solutions: a. Solubility curves. b. oncentration. c. Polarity. d. ph scale. e. Electrical conductivity. Thinking Skill: Knowledge orrect nswer: 19 Objective: 6.06 escribe and explain radioactivity and its practical application as an alternative energy source: a. lpha, beta, and gamma decay and/or nuclear waste. b. Fission and/or Fusion. c. Energy will not spontaneously flow from a lower temperature to a higher temperature. d. Synthesis. Thinking Skill: Knowledge orrect nswer: 20 Objective: 6.06 escribe and explain radioactivity and its practical application as an alternative energy source: a. lpha, beta, and gamma decay and/or nuclear waste. b. Fission and/or Fusion. c. Energy will not spontaneously flow from a lower temperature to a higher temperature. d. Synthesis. Thinking Skill: nalyzing orrect nswer: Tuesday, ecember 04, 2007 Page 4