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L14-Chemistry/Physic
CHEC 5th/6th Science
Question | Answer |
---|---|
Machine | device that changes the amount of force used to get something done |
Compound Machine | combination of difference simple machines working together |
Geometric Plane | flat surface with no third dimension |
Inclined plane | flat surface whose ends are at different heights |
Screw | inclined plane wrapped around a cylinder or cone |
Wedge | simple machine used to push things apart |
Lever | bar that goes up and down over a point |
Fulcrum | the point that the lever pivots on |
Ezekiel 4:2 | Then lay siege to it: Erect siege works against it, build a ramp up to it, set up camps against it and put battering rams around it. |
First-Class Lever | Fulcrum in the middle |
Second–Class Lever | Have the load between the fulcrum and effort |
Third-Class Lever | The effort is between the fulcrum and the load |
Pulley | Machines which lets you pull down a rope, chain or wire to lift something |
Single-Pulley System | One wheel |
Double-Pulley system | Has two wheels which are connected. |
Axle | Rigid bar that is inserted through a hole in the wheel |
Drive Belt | belt which is used to turn a wheel |
Conveyor Belt | machine consisting of 1+ pulleys and a wide, flat belt |
Gear | Wheel that has teeth along its edge |
Gear Train or Transmission | Series of intermeshing gears |
Driver or Input Gear | First wheel in a transmission |
Follower or Output Gear | Last wheel in a transmission |
Idler Gear | Third wheel, placed between the other two wheels in a transmission |
2 Chron 26:14-15 | Uzziah made devices invented for use to help in time of war. |