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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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Toc the nine planets other space objects 12 8 12

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.


Ii practice the nine planets other space objects

II. Practice:The Nine Planets & Other Space Objects

  • Write Planets Notes in this section


The nine planets other space objects

The Nine Planets & Other Space Objects


Solar system is divided into 2 parts

Solar System is divided into 2 parts

  • Inner Planets: Terrestrial Planets

  • Outer Planets: Gas Giants


Terms to remember

Terms to Remember !!!

  • 1 Revolution = 1 trip around the sun = 1 year

  • 1 Rotation = 1 complete spin = 1 day


Terrestrial planets

Terrestrial Planets

  • Mercury

  • Venus

  • Earth

  • Mars


Terrestrial planets1

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


Toc the nine planets other space objects 12 8 12

  • 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


Toc the nine planets other space objects 12 8 12

  • 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


Toc the nine planets other space objects 12 8 12

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


Gass giants

Gass Giants

  • Jupiter

  • Saturn

  • Neptune

  • Uranus


Gas giants

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


Toc the nine planets other space objects 12 8 12

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


Toc the nine planets other space objects 12 8 12

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


Toc the nine planets other space objects 12 8 12

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


Planet sizes to scale

Planet sizes (to scale)

What do you notice at first glance about the difference of terrestrial and gas giants?


Terrestrial versus gas giant

Terrestrial Versus Gas Giant


Moons

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


  • Comets

    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


    Asteroid

    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


    Meteoroid

    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


    Toc the nine planets other space objects 12 8 12

    • 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


    Iii application

    III. Application:

    • Complete and glue in your foldable into this section.


    Iv connection

    IV. Connection

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


    V exit

    V.Exit

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


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