Energy Continued:Energy Continued: TurbinesTurbines

TOC and new pageTOC and new page

Warmup:Warmup:

Write what you know about how a turbine Write what you know about how a turbine or generator creates electricity.or generator creates electricity.

What don’t you know? What info are you What don’t you know? What info are you missing?missing?

Today: Two generator activities.Today: Two generator activities.

How can you use washers and a How can you use washers and a motor to generate electricity?motor to generate electricity?

See materials…See materials…

2 minutes: silently brainstorm on your paper2 minutes: silently brainstorm on your paper

Without talking pass your paper to the right.Without talking pass your paper to the right.

On the person’s notebook, write one On the person’s notebook, write one question or comment you have.question or comment you have.

Pass to the right again. Write another Pass to the right again. Write another question or comment.question or comment.

Pass one more time.Pass one more time.

How can you use washers and a How can you use washers and a motor to make a light bulb light?motor to make a light bulb light?

Oldest person on team will lead the Oldest person on team will lead the conversation. Youngest will record ideas conversation. Youngest will record ideas on whiteboard.on whiteboard.

1.1. Answer the question as a team: Answer the question as a team: What will be our initial design? What will be our initial design?

Sketch on whiteboard.Sketch on whiteboard.2. After teacher approval, try your design.2. After teacher approval, try your design.3. Record observations/results.3. Record observations/results.4. Move on to reading when done.4. Move on to reading when done.

““Modern Wind Machines”Modern Wind Machines”

1. Read article. 1. Read article.

! Interesting! Interesting

? I don’t understand? I don’t understand

* * Important pointImportant point

2. Write a simple explanation of how a 2. Write a simple explanation of how a wind turbine works. wind turbine works.

See Cartoon, p.225.See Cartoon, p.225.

What will happen if the magnet What will happen if the magnet moves inside the wire?moves inside the wire?

Materials:Materials: Cu coilCu coil MagnetMagnet 2 alligator clip wires2 alligator clip wires MultimeterMultimeter

Multimeter setup…Multimeter setup… Hook clips to multimeter and copper Hook clips to multimeter and copper

wire.wire. Move magnetMove magnet

in and out.in and out. RecordRecord

observations.observations.

Demonstration

Hand-crank generator. Ideas on how the electricity is generated? Where does the electricity come from?What types of energy transformations?Does the output energy equal the input energy?

TurbinesTurbines&&

ElectricElectricMotorMotor

Exit Slip, ApplicationExit Slip, Application

How could you use either of the How could you use either of the following resources to move the magnet following resources to move the magnet or Cu coil in a generator? or Cu coil in a generator?

Include a diagram in your answer.Include a diagram in your answer.

a)a) moving water moving water

b)b) wind wind