Machines

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Across
  1. 3. Plane – A slanted surface used to raise objects with less force over a longer distance.
  2. 5. Machine – Two or more simple machines working together to make work easier.
  3. 6. – A toothed wheel that works with another gear to change speed, direction, or force of motion.
  4. 7. and Axle – A large wheel attached to a smaller rod (axle) that turn together to reduce effort.
  5. 9. – A grooved wheel with a rope or belt that helps lift or move objects by changing the direction of force.
Down
  1. 1. – Two inclined planes joined together and used to split or cut objects.
  2. 2. Machine – A machine with few or no moving parts that makes work easier.
  3. 4. – An inclined plane wrapped around a cylinder that moves materials when turned.
  4. 8. – A straight bar that pivots on a point called a fulcrum to move or lift objects.