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Constellations part ii

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This was created to meet the curriculum outcomes in New Brunswick's Grade 6 Science Space unit.

This was created to meet the curriculum outcomes in New Brunswick's Grade 6 Science Space unit.

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    Constellations part ii Constellations part ii Presentation Transcript

    • SPACE Constellations Part II
      • Today there are 88 commonly accepted constellations by star watchers around the world.
      • animation
      • Traditionally, constellations were used to find directions (using an astrolabe seen here)
      • They were even used by escaped slaves on the Underground Railroad trying to find their way to Canada.
      • They looked for the pointer stars in the big dipper to find the North Star because they knew if they went North they would eventually get to Canada and safety.
      • They called the big dipper the “Drinking Gourd” and sang a song with secret code words in it to remember where to go.
      • Hear the song
    •  
    • DID YOU KNOW!
      • The North Star (Polaris) is the only star in the night sky that doesn’t move!
      • The earth rotates under this spot making it appear as if all of the other stars rotate around it.
      • That’s why it’s the only one that will lead you in the same direction at all times.
      • Another constellation that is easy to find is Casseopeia.
      • To find her, use use the pointers to find polaris and then keep going toward the other side of the sky.
      One Last One!
    • Build Your Own Sextant or Astrolabe!
      • Look through the straw at a star and measure the angle of the string on the protractor.
      • Wait one hour and re-measure the same star and see if the angle changed.
    • Homework
      • Find Orion or the Big Dipper in the sky tonight.
      • Use your homemade sextant to look at it at 7:00 and then at 8:00 – was it at the same degree each time ?
    • Just For Fun!
      • Constellation Hunt!