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Dante’s Peak, CA

Chapter 1 Introduction to Earth Science. Mt. St. Helen’s, WA. Grand Canyon, CO. Sombrero Galaxy. San Andreas Fault, CA. Black Hills, ND. Dante’s Peak, CA. Mars. Sun. Niagara Falls, Canada. Arctic. Where is this?. Careers in Earth and Space Science include…. Astronomers. Surveyor.

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Dante’s Peak, CA

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  1. Chapter 1 Introduction to Earth Science Mt. St. Helen’s, WA Grand Canyon, CO Sombrero Galaxy San Andreas Fault, CA Black Hills, ND Dante’s Peak, CA Mars Sun Niagara Falls, Canada Arctic Where is this?

  2. Careers in Earth and Space Science include… Astronomers Surveyor Weather Forecasting/Newsperson Studying Earthquakes. Archaeologists Tracking Storms.

  3. 1.1 What is Earth Science? Earth Science = study of Earth and its neighbors in space. Geology = study of Earth Physical Geology = study of materials that make up the Earth and the processes that shape Earth. Examples: Rocks, soil, climate, volcanoes, weather, earthquakes, erosion, mountains, minerals, ice, etc.

  4. Geology = study of Earth Historical Geology = study of the history of Earth (not human history). Examples: geologic time, fossils, plate tectonics, etc.

  5. Oceanography = study of the Earth’s oceans. Meteorology = study of the atmosphere, weather and climate. Astronomy = study of space and planets.

  6. Nebular Hypothesis = bodies of our solar system evolved from a big rotating cloud called the SOLAR NEBULA. Formation of Earth He H Spinning nebular cloud H Collapsing in on itself. He Particles collide forming asteroids. He H Heavy asteroids combine to make 4 inner planets (Mercury, Venus, Earth and Mars). See pg 4. Makes sun. Cooling creates particles. Lighter particles combine to make 4 outer planets (Jupiter, Saturn, Uranus and Neptune). Key Concepts & Vocabulary pg 2

  7. Earth’s Place in the Universe Text pg 6 Video: Big Bang 1 and Big Bang 2 on flash card. (3-4 min)

  8. 1.2 A View of Earth Hydrosphere = water Earth’s 4 Major Spheres Atmosphere = air Biosphere = living things Geosphere = land

  9. Hydrosphere (Water) Cycles continually from surface to air and back to surface. Oceans (salt waters) make up 97% of all water on earth. Most important water on earth is fresh water (only 3%).

  10. Atmosphere (air) Reaches over 100 km above Earth. 90% is within 16 km of Earth. Provides air we breathe. Protects us from the Sun’s UV rays. Provides systems for climate and weather.

  11. Geosphere (land) Made of the Core, the Mantle, and the Crust. The Crust is thinnest at the oceans and thickest at the continents. The Core is very dense and very heavy. The Mantle is melted lava.

  12. Geosphere (land) cont. Asthenosphere = innermost mantle that the crust flows on. Lower mantle = less fluid, stronger rock. Lithosphere = crust and outermost mantle.

  13. Biosphere (living things) Made up of all living things (plants, animals, microscopic organisms, etc.) Living organisms interact with the earth’s systems to create the world that we know. Without them the Earth would be a very different place.

  14. Plate Tectonics Earth’s crust is broken into sections that slowly flow on top of the liquid mantle. Plate Tectonics = movement of earth’s plates. Text Pg 2 Vocabulary Pg 5 #4 Pg 6 Explain the Big Bang Theory Pg 7 Key Concepts Pg 7 Vocabulary Pg 10 #1-6, #8

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