Gears

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Across
  1. 2. Simple machines are made of one or two parts, and they help us do ______ like making things move.
  2. 5. The gear that you turn is called the __________.
  3. 6. A gear is just a wheel with teeth, sometimes called a _____.
  4. 8. One gear can make another one turn ________.
  5. 10. One gear can also make another one turn in a different ____________.
  6. 11. To do any work with a gear, you need to have at least two cogs with their _______ fitting into each other.
Down
  1. 1. The last gear that you are trying to move is called the _______ gear.
  2. 3. Big machines are made up of smaller parts called ___________
  3. 4. Sometimes there will be several gears in between the driver and the driven—those are called ________.
  4. 7. When two or more gears are connected, it’s called a ______________.
  5. 9. When you turn a big gear to the right, the little one will move to the ______.