Simple Machines
Freaky Forces
Mad Magnets
Really Random
Valuable Vocabulary
100
A simple machine that has a center rod that is attached to a wheel.
What is a wheel and axle?
100
A contact force that is caused by two surfaces rubbing together.
What is Friction?
100
The magnetic force of a magnet is strongest in this area.
What are the poles?
100
Using more than one pulley will help you to use less of this.
What is effort force?
100
The force exerted by the user on a simple machine.
What is effort force?
200
An inclined plane wrapped around a center post.
What is a screw?
200
When flying a paper airplane, this is the force that makes the airplane land on the floor.
What is gravity?
200
Opposite poles of a magnet do this.
What is attract?
200
If you wanted to measure the speed of your paper airplane, you would need to use these two tools.
What are a measuring tape and a stopwatch?
200
The fixed point on which a lever moves.
What is a fulcrum?
300
A device that makes a job easier to do by changing the amount of effort force, the direction of a force, or the distance through which a force moves.
What is a simple machine?
300
Weight, drag, lift, and thrust are the four forces of this.
What is flight?
300
The same poles of a magnet do this.
What is repel?
300
All simple machines have these two things in common.
What are an effort force and a force on the load?
300
The object to be moved by the simple machine.
What is load?
400
A simple machine made of a wheel with a groove in it.
What is a pulley?
400
The forces of magnetism and electricity are both this type of force.
What is non-contact?
400
These three things can strengthen an electromagnet.
What is wrap the wire around a nail, wrap the wire around a nail many times, or use more than one battery?
400
This is where the weight should be balanced when designing a top.
What is near the bottom?
400
The force exerted by the simple machine onto the load.
What is the force on the load?
500
This simple machine helps cut or split objects.
What is a wedge?
500
The use of wheels or rollers would help reduce this force when pushing a box up a ramp.
What is friction?
500
This is the force that is acting on a paperclip when it moves toward a magnet, but the magnet is not touching it.
What is a non-contact force?
500
DAILY DOUBLE (if you get this correct, you get 1000 points) These are the names of all six types of simple machines.
What are wedge, screw, pulley, wheel and axle, inclined plane, and lever?
500
This exists when all the forces acting on an object result in a change of motion of the object.
What is an unbalanced force?
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