Earth & Science Class - Test 2
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This simple machine is usually used to separate things.
Wedge
This simple machine is an inclined plane wrapped around the axle of a wheel and axle.
Screw
This simple machine consists of a grooved wheel that rotates freely on a frame and uses a rope to lift items.
Pulley
This simple machine consists of a rigid bar that rotates around a fixed point called the fulcrum.
Lever
In this simple machine, a large circular wheel is attached to a smaller cylinder, which is like a solid tube.
Wheel & axel
This simple machine includes a sloping surface that is used for raising heavy bodies
Incline Plane
What class of lever is… Effort - Fulcrum - Load
Class 1
What class of lever is… Fulcrum - Effort - Resistance
Class 3
What class of lever is… Effort - Load - Fulcrum
Class 2
This is motivated just by curiosity.
Science
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
Experiments are aimed at trying to find something useful. (Science, Applied science, or Technology?)
Applied Science
The x-ray is an example of technology, experiment, or a game?
Technology
A new process or machine that makes life better or makes a job easier. (Science, Applied science, or Technology?)
Technology
When a pulley’s block is attraced on a high platform, and rope is passed over the groove, what kind of pulley is this?
Fixed Pulley
A zipline is an example of a fixed or moveable pulley?
Moveable Pulley
A pulleys that has the load attached to the wheel and the rope attached to a fixed point is what kind of pulley?
Moveable Pulley
A pulley system that consists of two or more pulleys with a cable or rope threaded between them is what kind of pulley?
Block & tackle
Does adding more pulleys helps you to increase what?
Mechanical Advantage
A push or pull exerted on an object in an effort to change that object’s velocity.
Force
The amount by which a force is magnified in a simple machine.
Mechanical Advantage
The distance around a circle, equal to 3.14 times the circle diameter.
Circumference
A device that either multiplies or redirects a force.
Simple Machine
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