(Does it have a lot of flat, shiny faces – may be tiny or small - that reflect light … E7 D7 A We're gonna rock, gonna rock, around the clock tonight. 4th Grade Science Worksheets and Answer keys, Study Guides. Florida Standards Interactive Rock Identification chart answer key. Most Igneous Rocks have a texture. Rock B most likely is (1) conglomerate (2) schist (3) obsidian (4) peridotite THE ROCK KEY Use this key to ask and answer questions on your unknown rock specimens. Rocks and minerals. !!!!!RocksWorksheetAnswers!! Igneous rocks form as molten, mineral-rich material cools (or, you might say, “freezes”) as it rises toward earth’s surface. The Rock Cycle : There are three main types of rocks: igneous, sedimentary and metamorphic rocks and these rocks all form in different ways. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 1 Lab 7 – Rocks and the Rock Cycle Answer Key Name: Answer Key The Major Rock Classes Igneous Rocks 1. Amphibole, Plagioclase and Biotite are no help because they are found in more than one zone but Potassium Feldspar is the important clue. 1. Lava is molten rock flowing out of fissures or vents at volcanic centers (when cooled they form rocks such as basalt, rhyolite, or obsidian). Minerals & Rocks Review Qs Base your answers to questions 6 through 8 on the table below which provides information about the crystal sizes and the mineral compositions of four igneous rocks, A, B, C, and D. 6. Questions!! Igneous rocks are defined as types of rocks that are formed when molten rock (rock liquefied by intense heat and pressure) cools to a solid-state. OK, if it has coarse grain it must be one of these shaded rocks. This worksheet has 14 Earth Science Regents questions about igneous rocks. Rocks!are!made!of!different!minerals.! There are both multiple choice and fill-in questions. Is the rock made of crystal grains? Fill in the questions below test your knowledge of rock cycle. igneous rock that contains Amphibole, Biotite. Igneous Rock Identification Name: Date: Partner (s): As you now know, rocks are composed of minerals or a combination of minerals. 3 main types of rocks: a. The key can help guide you to the correct rock identification. Covers the following skills: how to differentiate among igneous, sedimentary, and metamorphic rocks by referring to their properties and methods of formation (the rock cycle). Questions relate to using the Earth Science Reference Tables page 6 (Scheme for Igneous Rocks), environment of formation (extrusive vs. intrusive), vesicular gas pockets, Plagioclase Feldspar and Potassium Feldspar. Rock that forms when minerals form from solutions or sediment from older rocks get pressed and cemented together. 1.!!What!is!the!difference!between!rocks!and!minerals?!! 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