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Science

Notes: Stnd 21. Science. Date. Learning Intention : 8.ESS3.1 Tectonism and Distribution of Resources Interpret data and explain how tectonic processes contributes to the uneven distribution of... 1) Minerals, 2) Fossil Fuels, and 3) Groundwater. Science and Engineering Practice(s)

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Science

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  1. Notes: Stnd 21 Science Date Learning Intention: 8.ESS3.1 Tectonism and Distribution of Resources Interpret data and explain how tectonic processes contributes to the uneven distribution of... 1) Minerals, 2) Fossil Fuels, and 3) Groundwater Science and Engineering Practice(s) Construct Explanations, Argue from Evidence, Analyze & Interpret Data, Obtain and communicate information Crosscutting Concepts Cause and Effect, Stability and Change I Can Statement ...I can explain how tectonic processes contributes to the uneven distribution of minerals, fossil fuels, and groundwater.

  2. Groundwater Facts What is groundwater? ...water stored underground as soil moisture or in large underground bodies of water called aquifers. ...Groundwater is about 30% of Earth’s freshwater ...Groundwater is about 1.69% of all water on Earth (96% is salty). • ...Groundwater can be fresh water or saline (salt) water. • about .76% of Earth’s groundwater is freshwater. • about .93% of Earth’s groundwater is salt water. What is the source of groundwater? ...It comes from precipitation that seeps down into the ground through porous and permeable rock formations. How do we use groundwater? ...We mainly use it for watering crops (irrigation) and for drinking.

  3. Aquifers What are they? Where are they? Aquifers are underground rock layers that are saturated with water Tennessee Aquifers Principal U.S. Aquifers Largest U.S. Aquifer

  4. Aquifer Formation: In Three Steps Step 2: Infiltration Step 1: Precipitation Water moves down into the ground rain, snow, sleet, or hail falls to the ground Step 3: Saturation underground porous/permeable rock formations are filled with water

  5. Connections Groundwater, Porosity, and Permeability Porosityrefers to void spaces (holes/cracks) in a rock formation. Permeability refers to water moving through a rock formation. Precipitation Infiltration Saturation More porous/more permeable rock formations will store more water.

  6. Connections Water Cycle and Groundwater The main source of groundwater is rainfall or other precipitation.

  7. Groundwater and Tectonics The amount of groundwater is mainly determined by 3 factors. • 1) Precipitation Volume: • More rain results in more water to seep into the ground. • 2) Surface Geology: (terrain/topography) • In a mountainous area, most water will be shed downhill and • therefore won’t be absorbed into the ground. • In a flat area, a basin, or a valley, water will pool and will have • more time to be absorbed in the ground. 3) Sub-surface Geology: porosity and permeability of the underground rock formations determines how deep the water can go and how much can be stored. Tectonics can effect all three of these factors. 1) Tectonic plate movement can move a continent to an area that has frequent and heavy rainfall. 2) Tectonic plate movement can form mountain ranges. 3) Tectonics create underground rock formations.

  8. Cause and Effect Connections Tectonism and Groundwater What is tectonism? (A.K.A. Diastrophism), Link: definition ...study of the natural processes that form geological features such as continents, ocean basins, mountains, valleys, plateaus, rock formations, etc. Note: Tectonic plate movement is just one part of the larger category called tectonism or tectonics. Tectonic factors that effect groundwater volume ...type of rock (porosity-how porous, permeability-how permeable) ...depth of permeable rock formations (deeper can hold more) ...elevation of the rock (effects water flow) ...location of continents (some areas get more rain or less rain) ...shape of above-ground rock formations (called terrain or topography, basins and valleys collect water, mountains shed it, )

  9. What are Minerals? Copper Ore Platinum Ore Minerals ...naturally occurring inorganic solids with a definite chemical composition and a crystalline internal structure. Link (10:21): Brief Introduction to Minerals Silver Ore Iron Ore

  10. Cause and Effect Connections Tectonism and Minerals Veins Pure silver can crystallize in veins from hot water solution Minerals formed in cooling magma Minerals formed in hot water solutions Tectonic factors that effect mineral locations/distribution ...mineral deposits often form at plate boundaries (heat & pressure) ...type of rock formations (igneous, metamorphic, or sedimentary) ...depth or elevation of deposits (deeper or higher-harder to extract) ...location of deposits (some areas were more geologically active)

  11. Mineral Formation Two Ways Link (1:26): How Do Minerals Form?

  12. Most Commonly Used Minerals Link (1:28): Mineral Resources Link: Minerals and Their Uses Copper Gold Aluminum Iron

  13. Most Commonly Used Minerals Lithium Cobalt Silver Potash

  14. Mineral Information Where to find minerals in the United States. Click on the link below to view an interactive map. Link: USGS-Minerals Diagram (United States)

  15. How Oil and Natural Gas Forms (In Three Steps) (2) (1) (3)

  16. How Coal Forms (In Three Steps) (1) (2) (3)

  17. Formation of Fossil Fuels Different types of fossil fuels (petroleum, coal, or natural gas) form depending on the following four factors: 1) Organic matter 2) Temperature 3) Time 4) Pressure Get in pairs or groups. Do online research. Get ready to share. What tectonic factors could effect... ...the type and amount of organic matter? ...the temperature in the ground? ...the amount of time the organic matter is underground? ...the amount of pressure on the organic matter?

  18. Mineral Information Video Links Click on the links below to view video clips about fossil fuels. Link (2:42): Fossil Fuels 101 • Write five facts from this video Link (3:04): Oil and Gas Formation • Write five facts from this video Link (4:31) Where Does All of Our Oil Come From? • Write five facts from this video

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