Terms – know the definition for the following terms 1. Simple machine- simple machines make work easier by increasing effort force in one of the following ways. a. changing the direction of a force b. increasing the effort distance c. or both
2. Effort force 3. Load force 4. Effort distance 5. machine 6. velocity 7. work 8. work input 9. work output 10. slope 11. fulcrum 12. effort arm 13. average speed
Know the formula and be able to calculate work. W=Fd
Know the formula and be able to calculate average speed. speed= d/t
Simple Machines – know these machines. Be able to recognized, define and describe the characteristic of each machine.
1. Inclined plane 2. Pulley 3. Lever 4. Screw 5. Wedge 6. Wheel and Axle
Be able to describe and calculate “slope” Rise/run = slope Be able to combine the “Language of Science” stems to form scientific terms.