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Types of simple machines
Details of simple machines.
Facts
vocabulary
vocabulary continued
100
-inclined plane -wedge -screw -lever -wheel and axle -pulley
What is the six simple machines.
100
Making something easier to do, 
but it takes a little longer to do it
What is mechanical advantage.
100
______ is a special form of lever.
What is a gear.
100
A push or a pull.
What is a force.
100
Straight bar that moves on a fixed point.
What is a lever.
200
Pushes materials apart, cuts things
What is a wedge
200
It resists pulling out much better than a nail and therefore provides a stronger joint.
What is a screw.
200
The wheel and axle is a _____ class lever.
What is a first class.
200
Force is used to move a load.
What is work.
200
A tool that makes work easier.
What is machine.
300
Makes it easy to move things by rolling them, and reducing friction
What is a wheel and axle.
300
When the fulcrum lies between the force arm and the lever arm.
What is a first class lever.
300
The Greeks invented the "water wheel" a _______ pushed by moving water of a river.
What is the wheel and axle.
300
What is being moved.
What is load.
300
The fixed point that a lever moves on.
What is a fulcrum.
400
Makes lifting weight easier by using a fulcrum to redirect force over a longer distance
What is a lever.
400
The load arm lies between the fulcrum and the force arm.
What is a second class lever.
400
A _____ is a wheel with a groove that allow a rope, belt or chain to ride securely on it.
What is a pulley.
400
How far the load is moved.
What is distance.
400
Two inclined planes that together form a V.
What is a wedge.
500
Makes it easier to move objects upward, but you have to go further horizontally
What is an inclined plane.
500
The force arm lies between the fulcrum and the load arm.
What is a third class lever.
500
The force arm is the radius of the ______.
What is a pulley.
500
A machine with few or no moving parts.
What is a simple machine.
500
An inclined plane wrapped around a center post.
What is a screw.