Christmas brunch and some fruit art I designed.
In this biology lesson, we dissected a frog in order to observe the external and internal structures of frog anatomy.
My oldest started working this year and of course they would schedule him to work on Thanksgiving. So in order to have the whole family together we had to eat early. By prepping some things ahead of time really helped me get things done in time. .
Of course sometimes things don't always go as planned. I was preparing the macaroni and cheese when I realized I didn't have any pasta. My husband rescued me by running out and getting some.
Today the boys learned how Resistor's work and the theory of OHM's Law. They worked on a LED circuit on their Arduino's to get a better understanding.
So what happened? The bone that was in the water container smelled awful, retained its color and was still hard. The one in the vinegar container was odorless and the bone was softer. What is so special about vinegar that it can make a hard bone soft? Vinegar is considered a mild acid, but it is strong enough to dissolve away the calcium in the bone. Once the calcium is dissolved, there is nothing to keep the bone hard - all that is left is the soft bone tissue. That is why it is very important to include calcium in your diet.
