Simple Kids Crafts is a video blog dedicated to reviving the old art of handicrafts for people of all ages. How do oil spills affect aquatic plants? A Miniature Solar Panel Fire Water Balloon Make Clouds in a Bottle Secret Messages Make a Rocket Make a Hovercraft Make an Anemometer Make a Sundial Make a Radio Make an Electroscope Make a Stethoscope Make a Telescope Make a Periscope Make a Camera Bending a stream of water with a comb Lighting a bulb without electricity Simple Motor Cotton Ball Rocks? Salt-Absorbing Art and Science Color Changing Glue Art Baking Soda Clay Oil Sun Catcher Grow a Pineapple Plant! Bead Bowls Wow, what an Air-Gun Funny Diver ! Water boils without fire Ice with Boiling Water Water that boils instantly Water boils in a Paper Pot Soap-driven Boat Pulse Moves Pin Pretty Garden—without Plants Picture made by Fire Magic Pictures Dancing Doll Smoke Goes Down The Dancing Coupl The Umbrella Dance Magic Butterfly Colorful ...
Articles Required : A tall glass, dropper, one thick-rubber balloon, rubber bands. Fill the glass with water leaving one-eighth of it empty. Then fill the dropper also with water sufficient to hold it erect in the glass. Now float the dropper in the water of the glass and stretch a rubbr balloon on its mouth. To make it air-tight use rubber bands on top. That's all. Your preparations are done! Just press the rubber top lightly with finger tip. What happens? The dropper, like an expert diver, dives towards the bottom! If you keep on pressing it, it will reach and touch the bottom. And on the contrary, as you take away your hand from the rubber sheet, the dropper jumps back to the water surface. Under pressure, the air contracts more than water. So as the rubber lid is pressed down, the air is pressurised and this in turn puts pressure on the water as a result of which the water forces its way into the dropper and pushing its air,.fills it. So the dropper dives down....