How to Make a Solar Eclipse Viewer

Most of you are from North America, and I’m sure you know about the solar eclipse next Monday, right? The path of totality will cross the United States, but all of North America will get to see it to varying degrees of partiality. For me, it’ll be around 75% partial.

Do you have your solar eclipse glasses? They’re hard to find now. If you don’t have some, don’t worry! You can still observe the eclipse! Actually, I made one today with my daughter. Here it is:

An easy to make solar eclipse viewer made with a cereal box.

That’s right, it’s a cereal box. Curious how to make it? It’s actually very easy. I made a video showing how I made it, so if you want to try this out, then definitely watch the video!

Are you going to make it? Any kind of cereal box will do. You can use pretty much any kind of box, actually. Just make sure no light is getting in except through the pinhole. Let me know if you’re going to make it!

9 thoughts on “How to Make a Solar Eclipse Viewer”

  1. Would it make a bigger sun”spot” on he box if I used a pencil to make the hole instead of a pin? Also, you could a telescope by holding a sheet of paper a few inches over the eyepiece so the sun’s image is reflected on to it. You would have to track the sun with telescope, though.

    1. I hole that size wouldn’t work. You wouldn’t get an image of the sun. It has to be small, like a pinhole. This will produce a sharp image, though imperfections will produce some diffraction effects. I could see a little in mine, but it didn’t affect the actual image of the sun. Bigger holes would produce something that is extremely fuzzy, but a hole the size of a pencil won’t produce any image of the sun. If you have a telescope, you could create a bigger image on a piece of paper. But it has to be at the right distance or it won’t appear in focus.

      1. I used to use my telescope with my 4th grade classes to show them sun spots by reflecting the image onto paper. I also had a welding mask lens (the darkest possible) for viewing the sun. I’m going to the hardware store tomorrow to pick on up for Monday.

  2. It went very well. I made two viewers. The hole in the top covered with foil I also covered with clear tape, which strengthened the pin hole, to prevent poking extra holes through the foil. I taped over the foil then poked the pin hole through the tape + foil. I tried them out and they worked very well. My daughter liked them a lot, she’s going to have them for her grandkids, who are 10 and 12. The 12 year old is a girl, very interested in science. I also gave her your video link, which I think will be interesting to the kids. Thanks so much! 🙂

    1. Sounds great! I love hearing about kids who are interested in science. My daughter is 5, and she loves science. Let the kids know that I’ll be doing a lot more videos soon about science on that channel.

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