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Matter and Energy (14 questions) |  |  |\n| --- | --- | --- |\n| 8.5A | RS | describe the structure of atoms, including the masses, electrical charges, and locations, of protons and neutrons in the nucleus and electrons in the electron cloud |\n| 8.5B | RS | identify that protons determine an element’s identity and valence electrons determine its chemical properties, including reactivity |\n| 8.5C | RS | interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties are used to classify elements |\n| 8.5D | RS | recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts |\n| 8.5E | RS | investigate how evidence of chemical reactions indicate that new substances with different properties are formed |\n| 8.5F | SS | recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass. |\n| 7.5C | SS | diagram the flow of energy through living systems, including food chains, food webs, and energy pyramids |\n| 7.6A | SS | identify that organic compounds contain carbon and other elements such as hydrogen, oxygen, phosphorus, nitrogen, or sulfur |\n| 7.6B | SS | distinguish between physical and chemical changes in matter in the digestive system |\n| 6.5C | SS | differentiate between elements and compounds on the most basic level |\n| 6.6A | SS | compare metals, nonmetals, and metalloids using physical properties such as luster, conductivity, or malleability |\n| 6.6B | SS | calculate density to identify an unknown substance |\n| Reporting Category 2\u003Cbr>Force, Motion, and Energy (12 questions) |  |  |\n| 8.6A | RS | demonstrate and calculate how unbalanced forces change the speed or direction of an object’s motion |\n| 8.6B | SS | differentiate between speed, velocity, and acceleration |\n| 8.6C | RS | investigate and describe applications of Newton’s law of inertia, law of force and acceleration, and law of action-reaction such as in vehicle restraints, sports activities, amusement park rides, Earth’s tectonic activities, and rocket launches |\n| 7.7A | SS | contrast situations where work is done with different amounts of force to situations where no work is done such as moving a box with aramp and without a ramp, or standing still |\n\n\n| Reporting Category 2 (continued) |  |  |  |  |\n| --- | --- | --- | --- | --- |\n| 6.8A | SS |  | compare and contrast potential and kinetic energy |  |\n| 6.8C | SS |  | calculate average speed using distance and time measurements |  |\n| 6.8D | SS |  | measure and graph changes in motion |  |\n| 6.9C | SS |  | demonstrate energy transformations such as energy in a flashlight battery changes from chemical energy to electrical energy to light energy |  |\n| Reporting Category 3 Earth and Space (14 questions) |  |  |  |  |\n| 8.7A |  | RS |  | model and illustrate how the tilted Earth rotateson its axis, causing day and night, and revolves around the Sun causing changes in seasons |\n| 8.7B |  | RS |  | demonstrate and predict the sequence of events in the lunar cycle |\n| 8.7C |  | SS |  | relate the position of the Moon and Sun to their effect on ocean tides. |\n| 8.8A |  | RS |  | describe components of the universe, including stars, nebulae, and galaxies, and use models such as the Hertzsprung-Russell diagram for classification |\n| 8.8B |  | SS |  | recognize that the Sun is a medium-sized star near the edge of a disc-shaped galaxy of stars and that the Sun is many thousands of times closer to Earth than any other star |\n| 8.8C |  | SS |  | explore how different wavelengths of the electromagnetic spectrum such as light and radio waves are used to gain information about distances and properties of components in the universe |\n| 8.8D |  | SS |  | model ","cbCaim5ODBGjGuBG","https://ap.wps.com/l/cbCaim5ODBGjGuBG","pdf",467225,"English","# Reporting Category 1: Matter and Energy\n# Reporting Category 2: Force, Motion, and Energy\n## Reporting Category 2 (continued)\n# Reporting Category 3: Earth and Space\n# Reporting Category 4: Organisms and Environments","[{\"question\":\"What does the guide include for STAAR 8th Grade Science?\",\"answer\":\"It lists readiness standards (RS) and supporting standards (SS) organized by STAAR reporting categories, giving concise descriptions of what students should know and be able to do.\"},{\"question\":\"Which topics are covered under Reporting Category 1: Matter and Energy?\",\"answer\":\"It includes atomic structure, the periodic table, chemical formulas and reactions, and balancing equations tied to conservation of mass.\"},{\"question\":\"What types of science ideas are addressed in the Earth and Space and Organisms and Environments sections?\",\"answer\":\"Earth and Space covers Earth-Sun-Moon motion, lunar cycles, tides, the universe, and plate tectonics, while Organisms and Environments focuses on relationships in food webs, ecosystem factors, environmental change, and human impacts.\"}]","STAAR 8th Grade Science Quick Reference Guide | PDF"]