{"product_id":"osat-earth-science-108-study-guide-2027-2028","title":"OSAT Earth Science (108) Study Guide 2027–2028 | Oklahoma Earth Science Teacher Certification Exam Prep, 200 Questions (PDF)","description":"\u003cp\u003ePrepare for the Oklahoma Subject Area Test (OSAT) in Earth Science, test code 108. Every section follows the official framework, both practice tests are weighted like the real selected-response subareas, and the constructed-response assignment is taught step by step.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Inside\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Exam overview: 80 selected-response questions plus one constructed-response assignment, the 4-hour testing session, the 240 passing score on the 100-300 scale, the no-calculator rule, score reports, retakes and fees\u003c\/p\u003e\n\u003cp\u003e• Science Practices and the Engineering Process: investigation design, lab and field safety, data and graphs, topographic and geologic maps, claims and evidence, engineering design and the crosscutting concepts\u003c\/p\u003e\n\u003cp\u003e• Space Systems: the big bang, galaxies, dark matter, telescopes and spectra, the H-R diagram and star life cycles, the solar system, Kepler's and Newton's laws, seasons, moon phases, tides, eclipses and the sun\u003c\/p\u003e\n\u003cp\u003e• Geological Systems: Earth and life history, fossils, relative and radiometric dating, Earth's interior, plate tectonics, minerals, rocks, weathering, erosion and landforms\u003c\/p\u003e\n\u003cp\u003e• Atmospheric and Hydrological Systems: atmospheric structure and radiation, global winds, humidity, stability, clouds and precipitation, weather, forecasting and climate, streams, groundwater and the oceans\u003c\/p\u003e\n\u003cp\u003e• Natural Hazards and Human Environmental Interaction: geochemical cycles, earthquakes, volcanoes, severe weather, climate change, energy and mineral resources, human impacts, monitoring and mitigation\u003c\/p\u003e\n\u003cp\u003e• The constructed-response assignment: what scorers look for, a planning routine, two illustrative prompts and model response excerpts\u003c\/p\u003e\n\u003cp\u003e• Charts, diagrams and 160+ quick-reference tables, plus Oklahoma Connections, Myth Checks, worked hand calculations and Quick Checks in every section\u003c\/p\u003e\n\u003cp\u003e• Study schedules, FAQs and test-taking strategies\u003c\/p\u003e\n\u003cp\u003e• 2 practice tests of 100 questions each, 200 questions total, with a complete answer key and an explanation for every question\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e• Instant digital download (PDF), 8.5 × 11 in\u003c\/p\u003e\n\u003cp\u003e• Clickable table of contents\u003c\/p\u003e\n\u003cp\u003e• Print it or study on a tablet, laptop or phone\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003ePlease note: This is a digital product. No physical item will be shipped.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThis is an independent study resource and is not affiliated with or endorsed by the Oklahoma Commission for Educational Quality and Accountability, CEOE, or Pearson.\u003c\/p\u003e","brand":"Test Treasure Publication","offers":[{"title":"Default Title","offer_id":67977100067118,"sku":null,"price":18.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/5997\/9822\/files\/Etsy_Cover_1_Hero_b737d824-973c-4e02-8a91-a66eb280de25.png?v=1794227659","url":"https:\/\/testtreasure.com\/products\/osat-earth-science-108-study-guide-2027-2028","provider":"Test Treasure Publication","version":"1.0","type":"link"}