What Makes a Boomerang Fly?
What Makes a Boomerang Fly? Boomerangs used most famously by the Australian Aborigines use a very complex combination of physics and aerodyn
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Spin
How Does a Magnet Get Its Magnetism?
How Does a Magnet Get Its Magnetism? All things, including magnets, are made of tiny atoms. Atoms are made of even tinier particles, among t
How Fast Does the Earth Spin?
How 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
How Does a Silkworm Make Its Silk?
How Does a Silkworm Make Its Silk? Silk is a thin, but strong fiber that silkworms produce when they are making their cocoons. The silkworm