Grade 9 Earth Science
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Grade 9 Science Experiment 16 - How to Build and Use your Own Sextant



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  • Once you have made your payment via PayPal, select the option to return to this website

  • You will be returned to the download page where you can immediately download all 5 projects and get started right away.

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If anything goes wrong with your purchase, and you did not get to the download page, please contact me and I'll email you the download link (this could take up to 24 hours)


Purpose: 


The purpose of this science fair project is to demonstrate how you can build a sextant to study latitude.  A sextant is a measuring instrument that measures the angle of elevation of a celestial object above the horizon.  The angle, and the time when it was measured, can be used to calculate a position line on a nautical or aeronautical chart. Sextant's are often used when you wish to find your latitude.  A sextant can measure the angle between any two objects, such as between two lighthouses.


Hypothesis:  


A sextant is a powerful tool that uses the sun and earth science properties to determine one's latitude.


Variables:


Angle of the two mirrors used in the sextant.


Materials Needed:


  • Cork
  • Glue
  • Pins
  • Glass tube
  • Straw
  • Sealing wax
  • Large protractor
  • "Moving" mirror that is 7cm by 1cm in size
  • Small "Fixed" mirror
  • Knife
  • Large Protractor

Buy ALL 5 Grade 9 Earth Sciences Projects for only $1.00:


Read This Before Placing your Order:


  • This is a downloadable e-book program.

  • You will NOT receive a physical package shipped to you in the mail.

  • Once you have made your payment via PayPal, select the option to return to this website

  • You will be returned to the download page where you can immediately download all 5 projects and get started right away.

  • This program is NOT available in stores, so you can only access it through this website.


If anything goes wrong with your purchase, and you did not get to the download page, please contact me and I'll email you the download link (this could take up to 24 hours)



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