Solar Eclipse Science Project

Solar Eclipse Viewer (8)

I put together a simplified version of this box back when there was a solar eclipse in our area in 2017. Today we wanted to see if the box would work for Mercury’s transit across the sun, and now Travis was old enough to help with all the steps!

To start, we upcycled a Kiwi crate (though any shoe box would work). Measure 2 inches in from one edge and poke a push pin or thumb tack through for a small hole.

Solar Eclipse Viewer (1)

On the opposite side of that same edge, measure in 1/2 an inch and cut a square that is 2 inches on each side.

Solar Eclipse Viewer (2)

Cut a square from black paper that is 2.5 inches on each side. Travis loved cutting along the lines I measured with our ruler.

Solar Eclipse Viewer (3)

Trace the inside of a small roll of tape in the center of the black square, and cut out this circle (a mommy step).

Solar Eclipse Viewer (4)

Tape down on the inside where you’ve cut the viewing hole.

Solar Eclipse Viewer (5)

Next cut a rectangle from white paper that is 10.5 inches long x 3.25 inches tall. Use double-sided tape to attach on the inside of the box opposite the viewing hole.

Solar Eclipse Viewer (6)

Now cover any seams or cracks with tape. Travis took it very seriously to ensure that we had no points where light could filter through.

Solar Eclipse Viewer (7)

We peeked inside in the kitchen, but if course there was only darkness without any sunlight coming through our tiny pin prick.

Solar Eclipse Viewer (9)

The answer to our initial question (would the box work for Mercury), alas, was no.

Mercury entered its transit across the sun the next morning at 7.30, but it was so cloudy that the sun wasn’t visible all day! Further research suggested that Mercury would be much too tiny to spot in our viewer anyway, and what we really needed was a telescope with a proper sun filter. Instead, we checked out the transit online. And now we’re going to set aside our solar eclipse viewer for the next one… in 2024!

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