What Is Gravity?
When you toss a ball into the air, it comes down because it is pulled to earth by gravity. Gravity is a force that pulls all things on the earth toward the...
Read MoreWhen you toss a ball into the air, it comes down because it is pulled to earth by gravity. Gravity is a force that pulls all things on the earth toward the...
Read MoreHockey, perhaps the oldest of all games played with a ball and sticks, seems to have got its name from the Old French word “hoquet,” which meant a crook or...
Read MoreWhy Do Golf Balls Have Dimples? Most golf balls have between 300 to 500 dimples, though the pattern, depth, and number vary significantly between different...
Read MoreWhy Does a Ball Bounce? No matter if a ball is solid or inflated, it bounces because it is elastic. Take a rubber ball and squeeze it in your hand. When you let it go,...
Read MoreHow Fast Does the Earth Spin? The Earth is like a big ball, and it spins so as to turn around once every 24 hours. This means the surface of the Earth is moving pretty...
Read More