Air bulletin board

I’m a science teacher.  Most people, including students, think that air is made mostly of oxygen.  In reality, oxygen only makes up 21% of our atmosphere.  Air is mostly nitrogen — 78%.  That leaves only 1% for everything else!

I made this bulletin board to show the percentages of different elements in the atmosphere.

In Microsoft Word, I opened an 11 x 17″ document and made 3″ circles all over it.  I printed out enough to have 100 circles, for 100%.  Then I went back into the document and added text boxes over the circles.  I made the text boxes with no fill and no lines.  Inside the text boxes I typed the symbols for the elements I wanted — 21 oxygen, 78 nitrogen, and one that had the basic trace elements and compounds found in the air (carbon dioxide, water, argon, and ozone.)  Finally, I changed the circles to no lines.  I adhered different colored PostIts onto the circles on the 11 x 17 printouts and sent them through my printer again.

I put the PostIts on the bulletin board and used the Cricut to cut out my letters spelling “air.”  I just used the font from the Robotz cartridge.  I taped two pieces of 12 x 12 cardstock together and put them on a 12 x 24″ mat.  Using the “fit to page” button, it cut out at 11″.

Now my students have a clear picture of the makeup of air (and so do you!)

Evelyn

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About Evelyn

I created this little blog so that I could have a place to show different crafts that I make for my family, my friends, my students, and myself! I have always enjoyed crafting. I particularly love paper, and that's what I'm currently working with.
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