What is a linkage?, Power source, Connected parts, Safety cover, Cutting tool, What do linkages transfer?, Motion, Light, Heat, Sound, A linkage can change the _____ of movement., temperature, weight, color, direction, Linkages can increase or decrease _____., volume, speed limit, movement, rainfall, What connects the handles and blades of scissors?, pivot, magnet, spring, chain, In pliers, moving the handles makes the _____ open and close., screws, jaws, wheels, pedals, What happens when you pull a bicycle brake lever?, Chain loosens, Seat lifts up, Brake pads move, Tires inflate, What moves across the windscreen in a linkage system?, Doors, Headlights, Mirrors, Wipers, Which machine uses linkages to move its bucket and arm?, Excavator, Printer, Kettle, Toaster, Why is learning about linkages useful?, Charge batteries, Cook food, Build moving models, Grow plants

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