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Forces and Motion
註釋Forces and Motion - How things move and more... lets you into the secrets of Newton's laws of motion. Fun projects show how any object can be made to move with the right technology - or just warm air! Find out about air, soap and elastic power by making a balloon hovercraft, steamboat, rocket and plane - they launch, they glide, they fly! All you need are simple household items, card, paper and rubber bands.