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TOC: The Nine Planets & Other Space Objects 12/8/12

TOC: The Nine Planets & Other Space Objects 12/8/12. Starter: Calculate the density of an object that has a volume of 75ml and a mass of 450g. Next, calculate the density of this object if its volume changed to 900. II. Practice: The Nine Planets & Other Space Objects.

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TOC: The Nine Planets & Other Space Objects 12/8/12

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  1. TOC: The Nine Planets & Other Space Objects12/8/12 • Starter: Calculate the density of an object that has a volume of 75ml and a mass of 450g. Next, calculate the density of this object if its volume changed to 900.

  2. II. Practice:The Nine Planets & Other Space Objects • Write Planets Notes in this section

  3. The Nine Planets & Other Space Objects

  4. Solar System is divided into 2 parts • Inner Planets: Terrestrial Planets • Outer Planets: Gas Giants

  5. Terms to Remember !!! • 1 Revolution = 1 trip around the sun = 1 year • 1 Rotation = 1 complete spin = 1 day

  6. Terrestrial Planets • Mercury • Venus • Earth • Mars

  7. Terrestrial Planets • Mercury - closest to sun • Weight 38% of what you weigh on Earth (less gravity) • Year – 1 revolution is 88 days long!!! (Birthday every 88 days!!!) • Day – 1 rotation takes 58 earth days • Diameter 4,879 km

  8. Venus - Second from sun • Weight 91% of what you weigh on Earth (less gravity) • Year – 1 revolution is 244 days, 17 hours!!! • Day – 1 rotation takes 243 earth days • Diameter 12,104 km

  9. Earth - third from sun • Weight 100% of what you weigh on Earth • Year – 1 revolution is 365 days, 6 hours!!! • Day – 1 rotation takes 24 hours, 56 minutes • Diameter 12,756 km

  10. Mars - fourth from sun • Weight 38 % of what you weigh on Earth • Year – 1 revolution is 687 days!!! • Day – 1 rotation takes 24 hours, 37 minutes • Diameter 6794 km

  11. Gass Giants • Jupiter • Saturn • Neptune • Uranus

  12. Gas Giants Jupiter - fifth from sun • Weight 236 % of what you weigh on Earth • Year – 1 revolution is 11 years, 313 days!!! • Day – 1 rotation takes 9 hours, 50 minutes • Diameter 142,984 km

  13. Saturn - sixth from sun • Weight 92 % of what you weigh on Earth • Year – 1 revolution is 29 years, 155 days!!! (29 years before you have a birthday!!!!!!!) • Day – 1 rotation takes 10 hours, 30 minutes • Diameter 120,536 km • Rings- made of icy particles

  14. Uranus - seventh from sun • Weight 89 % of what you weigh on Earth • Year – 1 revolution is 83 years, 274 days!!! • Day – 1 rotation takes 17 hours, 14 minutes • Diameter 51,118 km

  15. Neptune- eighth from sun • Weight 112 % of what you weigh on Earth • Year – 1 revolution is 163 years, 263 days!!! • Day – 1 rotation takes 16 hours, 7 minutes • Diameter 49,528 km

  16. Planet sizes (to scale) What do you notice at first glance about the difference of terrestrial and gas giants?

  17. Terrestrial Versus Gas Giant

  18. Moons • Satellites or natural bodies hat revolve around a larger body • All planets have moons except Mercury and Venus • Jupiters Moons - Galilean Moons • discovered in 1610 by Galileo • Io – most volcanic object in solar system • Europa - may have liquid water beneath its icy surface • Ganymede - largest of the four, larger than Mercury • Callisto – third largest moon in solar system, made of rock and ice

  19. Comets • Small body of ice, rock, and cosmic dust loosely packed together • When comet comes close enough to the sun, it heats up and gives off gas and dust in the form of a tail • Elliptical orbit around the sun

  20. Asteroid • Small rocky bodies that revolve around the sun • Up to 900 km in diameter • Mostly spherical • Found in between Mars and Jupiter in the Asteroid Belt

  21. Meteoroid • Small rocky boy that revolves around the sun • Smaller than asteroids (pieces of asteroids) • Becomes a Meteorite when it hits the surface of Earth

  22. Shooting Star- Meteors are bright streaks of light that occur when a meteoroid or comet burns in the atmosphere • Meteor Showers - when Earth passes through dusty debris that comets leave behind

  23. III. Application: • Complete and glue in your foldable into this section.

  24. IV. Connection • Why is studying other planets important ? How does it help us learn more about our planet?

  25. V.Exit • Summarize everything you learned. Include any questions you may still have.

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