This unit will allow each student to:

1.  gain a better understanding of energy, the scientific concept of work, and their application to the simple machines
2. continue making proper scientific measurements and calculations
3. define and properly use all vocabulary
4. properly apply all terms in describing/explaining real world examples
5. relate these concepts her/his daily activities and behaviors
6. teach someone else the concepts discussed
7. practice proper laboratory safety

1. recognize and relate SI and USCS units of force, work, energy, and power
2. recognize a force, work, energy, and power by the units only
3. distinguish between gravitational potential energy and kinetic energy
4. perform calculations using proper problem solving techniques to determine (a) gravitational potenital energy, mass, or height (b) kinetic energy, mass,or velocity (c) work, force or distance (d) power, work or time (e) mechanical advantage (f) ideal mechanical advantage (g) efficiency
5. explain how the use of machines makes work easier
6. identify and provide examples of the six types of simple machines
7. organize the simple machines into two groups
8. describe and provide examples of the three classes of levers
9. distinguish between effort force and resistance force
10. explain the actual usefulness of a machine based on the (ideal)mechanical advantage
11. state the law of conservation of energy
12. relate an ideal machine to its work output and work input
13. relate actual units of power and energy to those used on your home's electric bill

 
 
 
 

Holt Science Spectrum - issued textbook	Foundations of Physical Science - See teacher for access
9.1 - Work, Power, and Machines - p. 290 #1-8 9.2 - Simple Machines - p. 296 #1-7 9.3 What is Energy? - p. 305 #1-5,7-9 9.4 - Conservation of Energy - p. 314 #1-5,7-9	Chapter 4 - Machines and Mechanical Systems Chapter 5 - Work, Energy, and Power

Lingo to be Learned- you are expected to know the boldface words for the baseQuiz

Energy, kinetic energy, potential energy, gravational potential energy, work, mechanical energy, law of conservation of energy, machine, simple machine, effort force, resistance force, ideal machine, mechanical advantage, lever, fulcrum, effort arm, resistance arm, pulley, wheel and axle, inclined plane, screw, wedge, compound machine, efficiency, power

Worksheets  - Work and Energy Practice

Group Lab - TBA

Explorations
One must be turned in the day of the workQuiz.
You can choose to turn in one from this link or use in class options which will be updated at this link.
 http://theteterszone.tripod.html/minilabs/workmini.html

Math Practice

p. 285 #1-5 (work)

p. 287 #1-5 (power)

p. 290 #1-5 (meachanical advantage)

p. 299 # 1-4  (potential energy)

p. 301 #1-3  (kinetic energy)

p. 313 #1-3  (efficiency)

Possible applications
Here is a list of some applications of the material in this Unit. These may help you in deciding what path to follow for the Final Project.

-Explore a simple machine and its uses  -Perpetual motion machines?  -Nanomachines

-Where do you get your energy from?  -Your favorite sport  -Auto/drag racing  -Amusement park rides

-Explore a compound machine, its components and uses  -Does the power company sell you power?