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Friday, January 27, 2017

Homeschool Chemistry Lab Using Acrylic Beads

I did not realize I had already posted about this, a couple of posts ago. But, I didn't post it as a Chemistry Lab, as we did today with my high schooler, and my middle schooler. Most of our Chemistry labs will be geared towards household items, and not so much mixing of chemicals. So, first, I wanted to make sure they both understood what a physical change was vs a chemical change. My son has to write everything down to count as a Lab. So, here is the procedure.

We used an old toaster oven outside, for ventilation purposes. Melting plastic stinks and is quite toxic.

You can see the bag of acrylic beads below. There are a lot of them. They were a gift to my daughter several years ago, that just never got used.

We used the tray that came with the toaster oven, lined it with parchment paper, then filled three metal cookie cutters 1/4 of the way full with the beads. The blue and white bunny is my daughter's. She was a little more meticulous about the selection of her beads.

Set the oven on 450, and bake beads for 20 minutes. Do not do this indoors, unless you like to inhale deadly fumes.

When done discuss the results. As my kids could tell the melting of the beads from their original form into the second form was definitely a chemical reaction. However, we had a great deal of discussion, and finally agreed that when the melted beads were removed from the oven and allowed to cool, that was a physical reaction because they were still the same makeup of the melted beads, but went from liquid to solid. We will drill holes in these and make sun catchers.




Friday, January 20, 2017

Finally Back From Christmas Break!

We are back from Christmas break, and had a great first week. I was quite ill for most of our break, so I am real happy I decided to take that extra week. If you have a child taking Chemistry, and you would rather not blow up your house with a traditional Chemistry kit. You can try finding cooking Chemistry experiments, or use from the videos below. We made up one of our own that I will share in a later post, when I get the directions together, and some pictures.















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