Science 7 12-3 Word Scramble
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Question | Answer |
inclined plane | flat, sloped surface |
wedge | thick at one ends, tapers to thin edge at other end |
screw | inclined plane wrapped around a cylinder |
lever | rigid bar free to pivot on fixed point |
fulcrum | fixed point lever pivots on |
wheel and axle | two cylinder objects fastened together that rotate on common axis |
pulley | grooved wheel with rope/cable wrapped around it |
1st class lever | change direction of input (can opener) |
2nd class lever | increase force (wheelbarrow. bottle opener) |
3rd class lever | increase distance (shovel, bat) |
compound machine | two or more simple machines |
Created by:
jmeager
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