PPT-Interpreting Earth’s Rocks to Determine Its Past History

Determining Geologic History Geologists are like CSI detectives wanting to know Where When Why How Sometimes very little evidence remains exposure erosion Evidence has been moved or. Joshua and Jennifer Mosser, Briar Woods High School. Ye Olde Rock Cycle. Joshua and Jennifer Mosser, Briar Woods High School. Igneous Rocks. Igneous rocks form from the cooling and crystallization of molten rock (magma, lava). Material that forms the earth’s crust.. What are rocks made from?. Rocks are made up of different minerals.. These minerals are held together by a natural cement.. There are many different types of rocks with different mineral content, hardness, and texture. . Types and famous rocks. What is a rock????. A rock is a structure composed of one or more minerals. Igneous Rocks. Also called plutonic rocks. Formed from magma. intrusive rocks form underground. extrusive rocks form above ground. MTL TPTL MITL MTLF TPTLF MTL+Past MITL+Past interval-basedsemantics MTL TPTL MITL MTLF TPTLF MTL+Past MITL+Past pointwisesemantics Figure1:Summaryofourexpressivenessresults(dashededgesindicatefolkresu Why do scientists study rocks?. Earth & Space Science. Essential Question:. Grade 2. Earth & Space Science . Statement of enduring knowledge:. The earth and earth materials as we know them today have developed over long periods of time, through continual change and processes.. Introduction. Igneous Rocks – rocks that appear to have been molten in the past. Molten rock names (based on location). Magma: molten rock found anywhere beneath the earth’s surface. Lava: molten rock that flows out onto the earth’s surface. Earth Structures. Description   . Over geologic time, internal and external sources of energy have continuously altered the features of Earth by means of both constructive and destructive forces. All life, including human civilization, is dependent on Earth's internal and external energy and material resources. . UNIT 1. What is Geology. Geology is the study of Earth, including the materials that it is made of, the physical and chemical changes that take place on its surface and in its interior and the history of the planet and its life form. Sedimentary-sandstone. Metamorphic- gneiss. Igneous- diorite. 1. What is a Rock?. Naturally Occurring . (not man made). Solid. Mixture of minerals other organic matter. 2. What makes a rock different from a mineral?. Color . Texture. Light. Dark. Fine. Coarse . Igneous rocks are classified according to their. . origin. , . texture. , and . mineral composition. .. Origin . D. id it harden inside the earth or on the earth’s surface?. Rocks are classified by how they are formed, their composition, and texture. Rocks change over time through the rock cycle. TYPES OF ROCKS. ROCKS ARE DIVIDED INTO THREE GROUPS BASED ON HOW THE ROCKS . 2 – Soil. 3 – Landscape. Lithosphere. Lithosphere. The lithosphere is a rigid . part of the earth . that includes the earth's crust and part of the upper mantle . Ex. . Mountains, plains, volcanoes, etc.. . GLY 4310 - Spring, 2020. 2. Igneous Textures. Phaneritic:. Crystals are readily visible with the unaided eye.. Aphanitic:. Crystals, if present, are too small to be seen with the unaided eye.. Fragmental: . B.P. #6 Rates and scale of earth change are difficult to comprehend – either too slow relative to human life, or too huge in scale to imagine. Related to how old we think the earth is ----. Prior to late 18.