Place one end of the tube into the neck of the bottle and blow into the other end. The person who fills it with the least number of breaths has the biggest lung capacity. Blow into the flattened end and cover one, two, or all three holes to get different notes. Straw power To make pan pipes, snip the corners off several straws, cut to different lengths, and tape together. Block off the bottoms of the straws with plasticine and blow across their tops.
Musical bottles Put different amounts of water in several bottles.
Make music by tapping them or blowing across the open tops. You'll find it depends on whether you tap or blow. You fart because you have eaten sugars which your body can't digest. They ferment inside you and make gas which bubbles out as farts.