Simple Machines
How many types of simple engines are there?
Six
What type of simple machine uses an inclined plane that goes around and around a central shaft?
A screw
What is a machine that launches a projectile?
Catapault
Where is the fulcrum in a class ONE lever?
Middle
What simple machine might you use to move a weight?
Any of them!
What kind of simple machine is a ramp?
Inclined Plane
What type of simple machine would you use to haul a buckt out of a deep well?
Pulley
What word means the ability to hit the target?
Accuracy
Where is the fulcrum in a class TWO lever?
At one of the ends
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What TWO simple machines are used by a wheelbarow?
Lever and wheel/axle
What type of simple machine helps hold things tightly togather?
A screw
What is a word that means the ability to show the same results?
Precision
What class lever is a teatertotter?
Class ONE
How much work does it take to move one pound of weight one foot?
One foot/pound
1 ft/lb
What type of simple machine uses a rope or chain?
Pulley
A knife is an example of what type of simple machine?
A wedge
What do you call an object that is launched by a catapault?
A projectile
What class lever is your arm?
Class three
What is the scientific description of work?
Moving a weight for a distance
What type of simple machine helps you split wood?
A wedge
What class of lever is a regular broom?
Class Three
What is geometry?
An area of mathematics that studies shape, size, & position in space.
If a lever has a fulcrum at one end and the weight is at the other end, what class lever is it?
Class Three Lever
Name all of the types of simple machines.
Pulley, wheel/axle, Screw, Wedge, Inclined plane, Lever