Make Your Own Planisphere (Star Wheel)

Planisphere Supplies
Planisphere Supplies

I have my 6th graders make and decorate their own planispheres for our astronomy unit. It is a quick and inexpensive way to provide planispheres for all of your students, and you don’t have to worry about running out or ordering ahead/enough for each class. When it comes time to lining up the Star Wheel and inserting the brass brad, I do that part for the students so that it lines up correctly. Students will come up to my desk when they are ready and I assembly it for them pretty quickly.

Materials:

  • Manilla folder
  • Scissors
  • Brass brad
  • Glue stick
  • Star Wheel Holder (pdf)
    • Additional Star Holders & Wheels (link)
  • Star Wheel – laminated
  • Metal Math Compass

Directions:

  1. Fold the template along the (horizontal) dotted line
  2. Glue the template to the manilla folder
    • the folded template wraps around the folded edge of the folder
  3. Cut out the shape of the template
  4. Cut out the window – be careful not to cut both layers
    • I use the toilet seat and toilet lid analogy 😉
  5. Cut out the star wheel
  6. Insert the star wheel into the star wheel holder
  7. Find Polaris
  8. Center the Star Wheel, and with the pointed end of the compass, make a hole through Polaris and the back of the manilla folder
    • Be sure that the wheel can spin freely
  9. Insert metal brad & fasten
  10. Enjoy your new planisphere!

wpid-2015-05-06-11.22.31.jpg.jpegwpid-2015-05-06-11.24.32.jpg.jpeg

 

Additional Resources:

  • Using a planisphere worksheet (pdf)
  • How to use a planisphere (video)

 

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s