VOCABULARY
LEVER PARTS
LEVER TYPES
REAL WORLD LEVERS
YOU'VE GOT CLASS
100
A push or pull needed to lift or move a load.
What is force or effort?
100
A tool used to make work easier.
What is a lever?
100

Scissors, pliers and a teeter-totter are all examples of this lever type.

What is first class?

100
The location of the fulcrum on a scissors.
What is where the two levers cross or the screw.
100
The lever class of a crowbar.
What is class-1?
200
The metric unit used to measure force.
What Newtons?
200
The mass lifted by the lever.
What is the load?
200
The amount of newtons that a spring scale pulls with?
What is 0.5 Newtons?
200
The lever best used to open a paint can lid.
What is a paint can opener or screwdriver.
200
The two possible classes of a hammer.
What is class-1 and class-3?
300
A graph showing a relationship between two variables or numbers.
What is a two-coordinate graph?
300
A stick or beam free to pivot at a point.
What is the lever arm?
300
The amount of force or effort a load pulls with.
What is 2.4 Newtons?
300
On a tweezer where the force or effort would be applied.
What is in the middle?
300
The lever class of a paper cutter.
What is class-2?
400
Devices used to make work easier such as a lever or pulley.
What is a simple machine?
400
A measuring device used to determine the force or effort used to lift the load.
What is the spring scale?
400
A drawing that describes the relationship of all parts of a system.
What is a diagram?
400
The lever used to change a flat tire on a car.
What is a car jack.
400
The direction of effort when lifting the load on a class-1 lever.
What is down?
500
A benefit gained by using a lever.
What is advantage?
500
The point where the lever arm pivots.
What is the fulcrum?
500
The names of the six kinds of simple machines.
What are lever, pulley, wheel & axle, inclined plane, screw and wedge?
500
Two levers used in sports to score a goal.
What is a hockey stick, your leg or arm and a lacrosse stick?
500
Real world examples of a class-1, class-2 and class-3 levers.
What is hammer (class-1), nutcracker (class-2) and tweezer (class-3). Other examples may be given.
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