Simple Machines, Newton's Laws, and Waves Crossword

Simple machine that consists of a bar that privots at a fixed point.
Simple machine consisting of two circular objects of different sizes.
Another word for a ramp.
When a force changes the motion of an object.
Tools with few or no moving parts.
Vibrations are perpendicular to the direction of travel.
Vibrations are parallel to the direction of travel.
Length of a full cycle of a wave.
Middle of the wave.
What do waves only transfer?
Where did the name, Newton's Laws come from?
How many laws were there?
An external unbalanced force.
Acceleration of an object depending on the mass.
Every action there is an equal and opposite reaction.
What is the top of the wave called?
What is the bottom of the wave called?
What raises and lowers objects?
What holds thing together, or lift them?
Used to split thing apart.