Instructions with activities provided. Bottle contains 200 grams of sand. The wind bag is an 8 foot tube that can be blown up in one breath. It demonstrates Bernolli's principle and shows how low air pressure air, drags outside air into the bag. Students make and design 2-liter bottles with nosecones and fins.
Students test their designs with the launcher using different amounts of water and air pressure.
The air pressure can be supplied with a bicycle pump or an electric air machine. Celebrate Mole Day with this adorable mole hand puppet. Celebrate Mole Day with these great examples of moles in everyday life. These make great transparencies. The students generate small quantities of hydrogen and oxygen.