Solar System Data Inv. 1-1


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Solar System Data Investigation 1-1

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Solar System Data Inv. 1-1

  1. 1. Solar System Focus Question: How can the Solar System be characterized? Investigation 1; Part 1
  2. 2. Solar System Definition  What is the Solar System? – Solar refers to Sol, another name for our Sun. – System is a set of objects working together  Solar System = our Sun and a set of other objects working together in some way.
  3. 3. How Does the Solar System Work?  Set of Picture Cards – Spread out in front of you Picture-side up – Look at front of card only  Put cards into groups by similar characteristics – Use just what you observe in images, not prior knowledge*  How did you sort your cards?
  4. 4.  Type Card Data – Planet, dwarf planet, star, comet, asteroid, or satellite  Distance from Sun or other object – Except for Sun, all orbit the Sun or other object  Orbit period – How long does it take to orbit the Sun in Earth days or years  Maximum/Minimum surface temperatures – Highest & lowest temperature recorded on surface  Composition – Solid, liquid, gas
  5. 5. Orbit  Revolving or moving in a path around another object.  Challenge: – Find all the planet cards and Sun card. – Use “Distance from…” information on cards to arrange planets in order, starting with the Sun.
  6. 6. Solar System  Sun and eight planets in order describe the solar system  Other objects in solar system – Use information on cards to incorporate other objects into solar system*
  7. 7. Solar System Data Sheet  Complete notebook sheet - start by filling out table on left side of sheet.  Planet cards – Separate planets into classes based on composition* – How did you use composition to sort planets?  Rock planets  Gas planets  Ice and rock dwarf planet
  8. 8. Composition What do you notice about the sizes of the planets you have put in your groups?  What do you notice about the distance from the Sun for the planets in your groups?  Terrestrial Planets  – Four rocky planets closest to the Sun – Terrestrial means “land”, rocky composition  Gas Giants – Beyond the asteroid belt – Why “Gas Giant” name?
  9. 9. Pluto  Dwarf Planet – Located in Kuiper Belt  Area filled with “dirty ice” objects, made of frozen dust, water, and gas  Some objects are planet size  Pluto – Rock-and-ice dwarf planet or Kuiper object
  10. 10. Vocabulary  The Sun – An average star at the center of the solar system around which all other solarsystem bodies revolve.  Solar System – The Sun and all the bodies that orbit it, including the planets and their moons, the asteroids, and the comets.
  11. 11.  Orbit – The path an object takes around another object; for example, Earth has an orbit around the Sun.  Planet – A large natural object that orbits around a star, such as the Sun.  Asteroid – A rocky object, which can be a few hundred meters to several hundred kilometers wide, that orbits the Sun.
  12. 12.  Comet – A small body of ice and dust that orbits the Sun in a large oval path.
  13. 13. Content  What is the Sun? – Average-sized star; mostly hydrogen (72%) and helium (26%); other solar system bodies revolve around it  What is the solar system? – Sun and all the bodies that orbit it, including planets and their moons, asteroids, and comets  Your questions?  Homework- Read A Tour of the Solar System, pg 145-158. Use 3-Column notes for each section. Answer questions on page 158 in notebook.