Simple Machines
Classes of Levers
Technology, Science, or Applied Science?
Pulleys
Vocabulary
100
This simple machine is usually used to separate things.
Wedge
100
What class lever is this?
2nd Class
100
This is motivated just by curiosity. (Science, Applied science, or Technology?)
Science
100
Which is a fixed pulley?
A
100
A push or pull exerted on an object in an effort to change that object's velocity.
Force
200
This simple machine is an inclined plane wrapped around the axle of a wheel and axle.
Screw
200
What class lever is this?
3rd Class
200
When the technology of x-rays was discovered, there was no intention of using this finding for medicine. Is this an example of science or applied science?
Science
200
Ha!
200
The amount by which a force is magnified in a simple machine.
Mechanical Advantage
300
This simple machine consists of a grooved wheel that rotates freely on a frame and uses a rope to lift items.
Pulley
300
What type class lever is this?
1st Class
300
Experiments are aimed at trying to find something useful. (Science, Applied science, or Technology?)
Applied science
300
Which is a moveable pulley?
B
300
The distance around a circle, equal to 3.14 times the circle diameter.
Circumference
400
This simple machine consists of a rigid bar that rotates around a fixed point called the fulcrum.
Lever
400
What class type is this?
3rd Class
400
The x-ray is an example of technology, experiment, or a game?
Technology
400
Which is a block and tackle system?
C, D, and E
400
A device that either multiplies or redirects a force.
Simple Machine
500
In this simple machine, a large circular wheel is attached to a smaller cylinder, which is like a solid tube.
Wheel and axle
500
What is your Earth & Space teacher's name?
Mrs. Humes
500
A new process or machine that makes life better or makes a job easier. (Science, Applied science, or Technology?)
Technology
500
Which does NOT have a mechanical advantage?
A
500
The length of a straight line that travels from one side of a circle to another and passes through the center of the circle.
Diameter