Lesson 2 in Apologia Astronomy is about the sun. We read about how the sun’s energy is focused when it passes through a curved lens. The activity for this part of the text called for melting a refrigerated chocolate bar. First we played with the magnifying glass a bit to see how the sun shines through it to make a spot of light. We broke the chocolate into pieces and ate a piece. (That was in the instructions, right?) Then we got started melting our chocolate.
It was such a hot day that our chocolate was getting pretty soft without any help from the magnifying glass.
It didn’t take long for our chocolate to start smoking.
Jitterbug lost interest and spent most of the time doing this…
I tried to show them how to burn a twig but they were way more interested in the chocolate! We were supposed to be melting each piece of chocolate differently- one with a large circle of light, one medium, and one small. Since it was so hot we couldn’t really tell the difference between the large circle and just letting it sit in the sun. Skeeterbug got the point of the lesson anyway, and can now tell you why you should never look at the sun. And Jitterbug learned that chocolate melts really fast in the hot sun and makes a terrific, yummy mess. 🙂