Hello, Earthman!

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elementary earth science

elementary earth science

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Transcript

  • 1. Hello, Earthman!
  • 2. What do you know about earth
  • 3. Earth facts
    • Galaxy: Milky Way
    • Star System: Sun
    • Planet Type: Terrestrial
    • Size: Medium
    • Satellite: 1 (Moon)
    • Nickname: The Blue Planet
    • Notes:
    • The only planet in the solar system that could support life.
  • 4. Earth Movement
  • 5. Rotation
    • The spinning of the Earth on its own axis
    • AXIS
    • - an imaginary line that runs through the North and South poles
  • 6. Rotation
    • AXIS
    • Observe the direction of the spin.
  • 7. Rotation
    • WEST
    NORTH EAST SOUTH
  • 8. Rotation
    • Earth is tilted on its axis at 23 ½ degrees
    AXIS
  • 9. :Check
    • Which part of the Earth gets the most sunlight?
    • What countries are these?
  • 10. Review
    • Rotation is the spinning of the Earth on its axis
    • 1 complete rotation = 1 Earth day
    • Earth rotates from WEST to EAST or counterclockwise
    • Earth is tilted at 23 ½ degrees
  • 11. Revolution
    • The movement of a planet around the Sun in a path called an orbit .
    • ORBIT
  • 12. Revolution OLD STYLE
    • Geocentric – Earth as center of the system
  • 13. Revolution
    • Earth around the Sun
  • 14.
    • Earth’s revolution causes change in season.
    Revolution
  • 15. Seasons
    • SPRING
    FALL WINTER SUN SUMMER
  • 16. :Check
    • Why is it colder during the month of December?
    • And why is it hot during April?
    • Why does it not snow here?
  • 17. Review
    • Revolution is a planet’s movement around the Sun
    • Orbit is the path followed by a planet
    • 1 rev. = 1 Earth year = 354 ¼ days
    • Earth revolves counterclockwise
    • Revolution causes change in season
  • 18. Earthman, Signing Off… The End
  • 19.