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Transcript
What’s Earth Science? What are the four basic areas of Earth Science? What are the four basic areas of Earth Science? 1. 7-5-15-12-15-7-25 2. 13-5-20-5-15-18-15-12-157-25 3. 15-3-5-1-14-15-7-18-7-168-25 4. 1-19-20-18-15-14-13-25 earthscience: LAYERS OF THE EARTH earthscience: LAYERS OF THE EARTH 1. Which is not a layer of the Earth? A.Crust B. Mantle C. Outer Core D. Inner Crust earthscience: LAYERS OF THE EARTH 2. Starting with the outermost layer, what is the order of the Earth’s layers? A. Core - Mantle – Crust – Inner Crust B. Crust - Mantle - Outer Core - Inner Core C. Outer Mantle - Inner Crust – Inner Core D. Outer Crust - Inner Core – Outer Mantle earthscience: LAYERS OF THE EARTH 3. The core of the Earth is made up almost completely of which element? A. Iron B. Granite C. Sulfur D. Calcium earthscience: LAYERS OF THE EARTH 4. Which layer of the earth is the thickest? A. Core B. Crust C. Mantle D. All of them have the same thickness earthscience: LAYERS OF THE EARTH 5. Which layer of the Earth is liquid? A. Crust B. Outer Core C. Inner Core D. Mantle earthscience: LAYERS OF THE EARTH TRUE OR FALSE? F 6. The center of the Earth is made of molten rock. T 7. Most of the Earth’s heat is stored in the mantle. T 8. The outer core is liquid. earthscience: LAYERS OF THE EARTH TRUE OR FALSE? T 9. Earthquakes occur when heat travels through the mantle and causes tectonic plates to shift. F10.The thinnest parts of the Earth’s crust are its continents. earthscience: LAYERS OF THE EARTH TRUE OR FALSE? T 11. Extreme pressure causes the inner core of the Earth to remain solid. T 12. The crust of the Earth is much cooler than its other layers. T 13. The Earth’s mantle is flexible and shifts under heavy loads. earthscience: LAYERS OF THE EARTH TRUE OR FALSE? F14. The core is where geologists look for oil, gas, and other resources. F15. The crust is separated into two parts: upper and lower crust. How does the interior of the Earth look like? ? ? Crust oceanic ? Crust oceanic continental Crust oceanic continental Crust oceanic continental Crust Made of basaltic rocks Thinner compared to continental crust Heavier than continental crust oceanic continental Crust Made of granitic rocks Thicker compared to oceanic crust Lighter than oceanic crust The crust of the Earth is broken into many pieces called …. The crust of the Earth is broken into many pieces called …. plates plates plates plates plates What’s the behavior of the plates? plates plates plates They are in constant motion. plates plates plates What makes them move? plates The crust and the upper layer of the mantle together make up a zone of rigid, brittle rock called the Lithosphere.. The layer below the rigid lithosphere is a zone of asphaltlike consistency called … The layer below the rigid lithosphere is a zone of asphaltlike consistency called the Asthenosphere. The asthenosphere is the semi-rigid part of the middle mantle that flows. The boundary between the crust and the mantle is called the... Mohorovicic Discontinuity Lower mantle Asthenosphere The boundary between the crust and the mantle is called the Mohorovicic (Moho) discontinuity. Is the temperature all over the mantle the same or constant? When the convection currents flow in the asthenosphere they also move the crust. ? CORE ? INNER CORE OUTER INNER OUTER CORE CORE INNER OUTER CORE CORE The boundary between the outer core and the mantle is called …. Gutenberg discontinuity The boundary between the outer core and the mantle is called Gutenberg Discontinuity. INNER OUTER CORE CORE Made of molten metals. Consists mostly of nickel and iron. INNER OUTER CORE CORE What is the inner core made of? INNER OUTER CORE CORE Made of compacted metals. Consists mostly of iron. Why is the inner core solid despite its extremely high temperature? Has anyone been able to reach the core of the earth? How were scientists able to study the earth’s interior? What is the importance of each layer of the Earth? CRUST MANTLE CORE