Make Your Own Pinhole Projector

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  800 Fort Negley Blvd., Nashville, TN 37203

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DIY Science

Rainy day blues? Summertime slump? Cabin fever?

Don’t worry… we’ve got you covered!

Adventure Science Center is proud to offer DIY science lessons and experiments the whole family can enjoy! Each lesson provides instruction, a materials list, and ideas for activities to get hands-on with science, including sample questions to get those gears turning.

MAKE A SIMPLE PINHOLE PROJECTOR by Marcin Chojnowski, Eclipse Intern

With only 47 days until totality hits Nashville during the Music City Solar Eclipse, NOW is the time to start getting your family prepared to view the sun safely on this big day. There are a variety of different ways to do this, just check out our blog on Solar Eclipse Safety here» 

Or, use the following steps to make a simple pinhole projector at home.


2 pieces of construction paper (one should be white); cardboard also works well for this project

A pin / small hole-puncher


  1. Take one piece of construction paper (the one that isn’t white) or your cardboard, and use your pin or small hole-puncher to make a hole in the center of the paper
  2. Lay the white piece of construction paper on the ground
  3. Locate the sun’s position in the sky and turn around so that the sun is behind you
  4. Hold up your construction paper with the hole in it so that sunlight can pass through the hole.
    Do not look through the pinhole directly at the sun!
  5. If it’s lined up correctly, you will see an image of the sun on the white piece of paper


Notice how the hole you made is circular in shape. Try making other “pinholes” using different shapes such as a square, triangle, or star and see how that impacts or changes the image you first saw through a circular pinhole!

What you should notice is that there are no changes. The shape of the pinhole does not affect the final image.

Why does this happen? Check out this article that goes further in depth on the topic of camera obscura!

- Marcin Chojnowski, ASC Eclipse Intern

Music City Solar Eclipse Festival & Viewing Party

Posted by Molly Hornbuckle at 10:15 AM
800 Fort Negley Blvd. Nashville, TN 37203
Hours: 9 a.m. - 5 p.m.
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