Tomatosphere-the extension activity

Today we made our version of the Martian Greenhouse.   Of course, in typical B house fashion, we didn’t do it exactly according to directions.  Hopefully it won’t explode or anything!

I didn’t have a pickle or mayonnaise jar, but after an intense search I found a flour canister that seems to fit the bill!  We went to the pet store and bought gravel and charcoal and then to the big box store for peat moss.  I had copious amounts of vinegar and baking soda left from acid and bases class and W already had Teflon tape so that was all set.  The only thing I couldn’t find was the bar of charcoal.  I’m not even sure what that is?!?  Anyway…we left it out and I refer back to the last sentence of the previous paragraph.

We started by putting a layer of gravel, a layer of charcoals and a nice thick layer of peat moss. Then we planted some of our tomato plants in the peat moss and watered them.                                                  

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Then we made some Carbon Dioxide by mixing vinegar and baking soda and poured it into the jar.

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Next we lined the jar’s threads with Teflon tape to make sure we got a good seal.

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Viola!  A Martian Greenhouse!    dscf0525.jpg Notice the colorful gravel!

It says these can go one for awhile or they can die very quickly.  Since we didn’t actually do it right I expect ours will be of the latter variety but I’ll keep you all updated!

If you like, you can also check out how we started this project and/or how it turned out

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