Simple Machine Crossword

What is a bar that pivots at a fixed spot?
What is a grooved wheel that holds a rope or cable?
What is a pulley that moves called?
When you use multiple pulleys what are they called?
What is a simple machine with two circular objects of two different sizes?
What is a pair of inclined planes that you apply force over a greater distance?
What is a inclined plane wrapped in a spiral around a cylinder?
What is the first type of lever?
What Is the second type of levers?
What is the third type of lever?
What is the machine that is straight, slanted surface?
What compares the input force to the output force?
What makes work easier by changing distance or size of a force?
What is made of two or more simple machines?
What is the comparison of a machines work input and their output?