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5/26 Drill Energy is the capacity to do work Potential energy (stored) is often converted into Kinetic energy (motion) 100% PE 50% PE 50% KE 100% KE Just.

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Presentation on theme: "5/26 Drill Energy is the capacity to do work Potential energy (stored) is often converted into Kinetic energy (motion) 100% PE 50% PE 50% KE 100% KE Just."— Presentation transcript:

1 5/26 Drill Energy is the capacity to do work Potential energy (stored) is often converted into Kinetic energy (motion) 100% PE 50% PE 50% KE 100% KE Just before impact

2 5/27 Answer in a complete sentence What is the PROPULSION system for our maglev car? __________ What is the SUSPENSION system? ______________________

3 5/31 Answer in a complete sentence ControlHow does the operator make it stop, go, turn? SupportOutside systems that enable it to function properly What is the Control System for your maglev? ___________________________ What Support System exist for your maglev? ___________________________

4 6/2 Title and make a list List 3 Criteria for your maglev car project – Must float – Motor must PUSH – Must “Look like a high-speed” vehicle – Must house a 1x1x5 inch piece of cargo – Wires must contact track behind the car

5 Exploring Technology - Lesson 7 Energy is the capacity to do work. – Lifting a weight – Heating a room or material – Pushing a vehicle Potential energy (stored) is often converted into Kinetic energy (motion)

6 Energy Energy can be used to do work using several processes. Energy can be potential or kinetic

7 Power is: – the rate at which energy is converted from one form to another, – transferred from one place to another, or – the rate at which work is done. We can walk up the steps or run. Either way, the same amount of work is done. Running does it faster and requires more POWER.

8 Much of the energy used in our environment is not used efficiently. – Automobile engines < 20% efficient – Hot water heater – Electrical power plants Conservation is the act of making better use of energy

9 Power Systems Automobile Airliner

10 Power Systems Locomotive Grain Mill

11 10/20 Add to yesterday’s drill Transportation vehicles are made up of subsystems that must function together for a system to work effectively. – Structural – Propulsion – Suspension - What holds it up in its environment? – Guidance - What helps the operator know where to go? – Control- How does the operator make it stop, go, turn? – Support

12 Transportation Subsystems SubsystemDescriptionAutomobileAirliner PropulsionWhat makes it “go”? StructuralFunctional shape, gives it strength, aerodynamics SuspensionWhat holds it up in its environment? GuidanceWhat helps the operator know where to go? ControlHow does the operator make it stop, go, turn? SupportOutside systems that enable it to function properly

13 6/3 Copy and give an example “Transporting people and goods involves a combination of individuals and vehicles.” – Pick a system and give an example that supports this statement. Space Shuttle Amtrak Airline Warehouse Trucks, conveyer belts, airplanes, trains, Forklifts, wheeled carts Delivery people, truck drivers, truck loaders, Service desk staff, managers,

14 6/7 Copy and give an example Modeling is the process of developing a prototype. Modeling ModifyingEvaluating Testing

15 6/8 Restate and give an example How did you test, evaluate, and modify your maglev car? Modeling ModifyingEvaluating Testing

16 3/21 Sketch and Label Sketch 3 shapes you might consider for you maglev car base. REMEMBER – Magnets must align with the original edge of the base

17 10/22 Answer in sentences Identify a change you made to your maglev car based on testing. Describe the result of the change. – Ex. “We removed and flipped over our front magnets because the stuck to the track. The car floated well as a result of the change”

18 5/24 What do these systems have in common?

19 5/26 Drill _____ is the _______ to do ______ _________ energy (stored) is often _________ into _______ energy (motion) 100% PE 50% PE 50% KE 100% KE Just before impact

20 6/2 Title and make a list List 3 Criteria for your maglev car project (rules) – Must float – _____________________________

21 6/6 Copy and give an example ________________ is the process of developing a ________________.

22 6/2 Copy and give an example “Transporting _________ and __________ involves a combination of individuals and _____________.” Airline -Vehicles _____________ -People _____________ Trucks, conveyer belts, airplanes, trains, Forklifts, wheeled carts Delivery people, truck drivers, truck loaders, Service desk staff, managers,


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