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Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
Earth Science
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Earth Science

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This presentation introduces students to Earth science and the four systems of the Earth.

This presentation introduces students to Earth science and the four systems of the Earth.

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  • 1. EARTH SCIENCE
  • 2. WHAT IS EARTH SCIENCE?
    • The study of Earth’s interior, rocks and soil, atmosphere, oceans and outer space.
  • 3. S EARTH SCIENCE IS ABOUT CONNECTIONS
    • Today scientists look more for the connections among the different parts of the Earth- its oceans, atmosphere, living things and rocks and soil.
  • 4. HEAT ENERGY FROM INSIDE THE EARTH AND RADIATION FROM THE SUN PROVIDE ENERGY FOR EARTH’S PROCESSES.
    • EARTH SCIENCE VOCABULARY
    • Energy- the ability to cause change.
    • Evaporation- the process by which liquid changes into gas.
    • Convection- hot material rises, cools, then sinks until it is heated enough to rise again.
    • Radiation- energy that moves in certain types of waves.
  • 5. WHY IS EARTH SCIENCE IMPORTANT?
    • Understanding Earth’s processes makes it possible to:
    • Know what types of crops to plant and when to plant them
    • Know when to watch for dangerous weather
    • Predict a volcano’s eruption in time to save people
  • 6. CHAPTER 1: VIEWS OF EARTH TODAY
    • BIG IDEA:
    • Modern technology has changed the way we view and map the Earth.
    KEY CONCEPT 1.1: Technology is used to explore the Earth system.
  • 7.
    • Click on the above link to begin the journey courtesy of the Discovery Channel .
    • Think about what may happen to the entire marine community if any part were taken away.
    www.mrmartella.com
  • 8. THE EARTH SYSTEM
    • Has four major parts:
    Biosphere Hydrosphere Geosphere Atmosphere
  • 9. The Four Parts of the Earth System
    • System- an organized group of parts that work together to form a whole
    ATMOSPHERE: THE MIXTURE OF GASES THAT SURROUNDS AND PROTECTS THE EARTH
    • COMPOSITION:
    • NITROGEN (78%)
    • OXYGEN (21%)
    • CARBON DIOXIDE
    • WATER VAPOR
    • OTHER GASES
    • STUDIED WITH:
    • WEATHER BALLONS
    • PLANES
    • SATELLITES
  • 10. The Four Parts of the Earth System
    • HYDROSPHERE: MADE UP OF ALL THE WATER ON THE EARTH (OCEANS, LAKES, GLACIERS, RIVERS, UNDERGROUND)
    • WATER COVERS ¾ OF THE EARTH’S SURFACE
    • ONLY 3% IS FRESH WATER
    • NEARLY 70% IS IN GLACIERS AND POLAR ICE CAPS
    • STUDIED WITH:
    • DEAP –SEA VEHICLES
    • BUOYS
    • SATELLITE IMAGES
    • DIVING SUITS
    • AFFECTS THE ATMOSPHERE WHEN WARM/COLD OCEAN CURRENTS INTERACT WITH WIND CURRENTS
  • 11. The Four Parts of the Earth System
    • BIOSPHERE: INCLUDES ALL LIFE ON EARTH (IN THE AIR, WATER, AND ON LAND)
    • STUDIED WITH:
    • SATELLITE PHOTOS TRACK YEARLY CHANGES IN PLANT AND ANIMAL LIFE
    • SPECIAL EQUIPMENT ALLOWS SCIENTISTS TO STUDY PLACES WITHOUT HARMING THEM
    • WHEN TREES EXCHANGE GASES THE BIOSPHERE INTERACTS WITH THE ATMOSPHERE
  • 12. The Four Parts of the Earth System
    • GEOSPHERE: ALL FEATURES ON THE EARTH’S SURFACE (CRUST) ALONG WITH THE MANTLE, INNER AND OUTER CORES.
    • STUDIED WITH:
    • SATELLITE IMAGES
    • SOUND WAVES
    • COMPUTER MODELING
    • MATTER MOVES FROM THE GEOSPHERE TO THE ATMOSPHERE WHEN VOLCANOES EXPLODE
  • 13. ALL FOUR PARTS OF THE SYSTEM SHAPE THE PLANET’S SURFACE
    • Atmosphere and Hydrosphere- Not even the hardest stone can withstand the forces of wind and water. Over millions of years rain, wind, and moving water carved the Grand Canyon.
  • 14.
    • Geosphere: Landmasses pushing together have set off earthquakes and formed volcanoes and mountain ranges like the Andes around the world.
  • 15.
    • Biosphere: Plants, animals and humans have also changed the Earth. Walking or riding a bike over open land changes the surface of the planet.
    How does this picture show all four parts of the Earth system working together?
  • 16.
    • THE END

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