Items needed ping pong ball funnel Lesson Take a ping Pong ball and place it in the funnel. Have a student hold the funnel in their mouth with their head tilted back, and blow hard. (This is an experiment about Bernouli's principle) The ball will spin, but not be blown out of the funnel. When […]

Items needed a casserole dish a bowl of sand a rock two small houses, maybe made of paper or represented by lego blocks Put the empty casserole dish on the table so that all the children can see it. Then tip the small bowl with sand in it upside down inside the casserole dish to […]