Science By Email: Hot Rocks and Hot Chocolate

Science by Email | Hot rocks and Hot choc:  Read about geothermal springs - from Roman times to the present, humans have taken advantage of hot water that bubbles up from the earth.  Try an experiment that involves hot chocolate and marshmallows - perfect for a day like today!  You can also watch a video that shows what happens when you drop a watermelon on jelly - what happens to all that kinetic energy? 'via Blog this'