Show Well Well Wb 1 Do o You ow 2 fun games and knowledge kno by MARTHA GLAUBER SHARP Editor Ed The New Book of Knowledge Know What makes popcorn pop Popcorn is different from other kinds of corn and its it's that difference that makes it pop Popcorn has a ahard ahard hard tough waterproof covering So when popcorn is heated the natural natural natural nat nat- ural moisture inside the kernels cant can't escape When its it's heated enough though the moisture turns to steam and the kernels explode Do Does s air have hare weight eight It does and Ill I'll tell you how you youcan youcan youcan can prove it to yourself and your friends with a simple and interesting interesting interest interest- ing ins experiment Hammer a long thin nail through the point mid the 18 inch mark of a yardstick Balance the yardstick by placing each end of aMu H W p. p b 0 3 the nail on a tall drinking drinkin glass us as shown in the picture Attach an empty balloon with a rubber ribber hand to one end of the yardstick On the theother theother theother other end to make a perfect balance balance balance bal bal- ance tape a dime or penny or at attach attach attach at- at tach a paper clip Now take the balloon off and blow it up When you attach it again full of air you'll see that end of the yardstick dip down That's because the air inside the balloon has weight and makes it heavier Do you know wiry why the lIre engine is us- us all ally in ill tire the rant front of o oa a car When cars were first invented the inventors put the engine up front where the horse used to be But there are other r reasons too When the engine is up front the rush of air through the radiator grill keeps it nice and cool And its it's much easier to link the controls between the dashboard and the engine Do you yon know knot how the tire A Amazon River Ri got Rot its name A lot of people think a large lady is called an Amazon because the Amazon River is big Not true Its It's the other way around A Spanish explorer named Francisco Francisco Fran Fran- cisco de Orellana discovered the South American river in 1541 and andone andone andone one day his party was attacked by bya a tribe of fierce women Orellana thought they must surely be descended descended de de- de from a race of women warriors warriors warriors war war- in Greek legend called the Amazons who WM lived in Asia Minor ruled their country and had their own army So he named the river after them I For a free booklet The Ma Magic ic Carpet Carpel Illustrated led in n color from The New Book of Know Knowledge ledge et send end name and address to Martha Glauber Box 47 Putnam Valley New York |