Unit Plan: A Community Powered by Renewable Energy

Grades:
6-12
Description:

In this three-part comprehensive place-based and project-based unit, students will learn and apply rebnewable energy content to devise action plans at an individual, family, and local level. Students will use primary and secondary research explore energy...

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Learning Goal(s):
LEARNING GOALS – PART 11.Students will define and explain the differences between renewable and non-renewable energy sources.2.Students will research, summarize, and present the (short- and long-term) benefits and drawbacks of utilizing wind and solar energy. 3.Students will research, summarize, and present the (short- and long-term) benefits and drawbacks of utilizing fossil fuels.4.Students will generate questions about the greenhouse gas effect, identify and isolate variables, and then conduct an experiment to answer a class generated question about the greenhouse gas effect.5.Through Socratic seminar, students will use the knowledge gained over the course of this lesson to discuss the potential long- and short-term benefits and drawbacks of using fossil fuels, solar energy, and wind energy.6.Students will define scientific vocabulary related to electricity.7.Students will be able to describe how electricity moves through a conductor.8.Students will draw and describe series and parallel circuits.9.Students will identify ways that energy is consumed within their homes.10.Students will perform an energy audit of their home and calculate the amount of energy used by each electronic device and appliances.11.Students will create a spreadsheet demonstrating the electricity required to operate each electronic device and appliance, along with a summary of finding that clearly identifies how energy consumption can be reduced within their home.12.Students will explore various ways to reduce energy (goal is 30% reduction).13.Students will propose a variety of energy reduction plans and present those options to their families for discussion.14.After discussion with their families, students will itemize the agreed upon plan and identify specific actions that result in quantifiable outcomes that will implemented to reduce energy consumption by their families.LEARNING GOALS – PART 21.Students will gain background information regarding the limitations of having and wind and solar generating infrastructure within city and county limits, including environmental, aesthetic, and cultural considerations. 2.Students will work with professionals to compile criteria for placement of wind and solar energy sources.3.Students will conduct experiments to collect and analyze data to provide a conclusion to the questions: What is the optimal blade angle for generating the most energy? What is the optimal wind speed for generating the most energy?4.Students will use prevailing wind data in your region to examine energy output of various sized small wind turbines as wind speeds incrementally increase.5.Based on local wind speeds, students will determine a range of potential kilowatt generation from wind power.6.Students will conduct experiments to determine how electrical output of solar panels change as the tilt, azimuth, and shade coverage change.7.Students will generate, compare, and evaluate various solar configurations for a solar project in your region.LEARNING GOALS – PART 31.Students will utilize previously acquired information about energy needs to create a renewable energy proposal for your town or city.2.Students will perform a solar audit on their homes and use class averages to project the amount of solar energy that can be generated on residential properties.3.Students will assess where commercial and municipal solar projects can occur within your town or city to meet the energy needs for non-residential consumers.4.Students will determine potential locations for larger-scale wind and solar farms to augment the remaining energy needs of the community.5.Students will prepare a comprehensive renewable energy plan that totals the calculations for potential residential, commercial, and agency renewable energy generation.6.Students will calculate the average amount of energy generated by wind turbines and solar panels in various conditions to determine the quantity of renewable energy sources required to power the city.7.Students will use their projected energy calculations to propose a combination of wind and solar sources to meet your locality’s energy needs, based on benefits and drawbacks of each source of energy.8.Based on prevailing winds and building orientation, students will explore potential sites for wind turbines and solar panels.9.Students will develop a final proposal to meet future energy needs through a combination of energy generation and reduction of energy consumption, prepare a brief slide presentation that summarizes their comprehensive plans, and present their finding to local energy conservation groups and local government staff or elected officials.
Author:
Jonathan Strunin
Estimated Activity Length:
10 hours

Cost Effective Solar Cells Unit Plan

Grades:
9-12
Description:

Through a series of solar panel and solar cell construction activities, students will learn the basic principles of energy conversion from light energy to chemical & electrical energy. Students will assemble and test pre-constructed solar panels to...

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Learning Goal(s):
Students will discuss social, cultural, and economic implications of sustainable solar energy.Students will construct and test solar panel arrays to power LED lights, fan motors, and music playersStudents will review circuitry basics and solar cell layersStudents will analyze and share out power generation results with classmatesStudents will construct and test an oxidized copper sheet solar cellStudents will share and analyze oxidized copper sheet solar cell dataStudents will construct and test titanium dioxide coated “raspberry juice” solar cellsStudents will collect and analyze titanium dioxide coated “raspberry juice” solar cell data.Students will discuss results and draw conclusions about variables that may affect power generationStudents will visit a solar cell or silicon manufacturing facility and/or engage with guest speakers. Students will learn more detailed solar cell principles and manufacturing techniques involved in solar cell constructionStudents will research chemicals, materials and procedures for their own solar cell designsStudents will build and present models of their proposed solar cellsStudents will construct and test unique solar cellsStudents will present construction progress and project obstaclesStudents will format solar cell data, draw conclusions, and construct an engineering report as a research poster
Author:
Tom Wolverton
Estimated Activity Length:
10 hours
Arduino Angler Design

Illuminate Me: Merging Conductive Sewing, Technology, and Solar Power

Grades:
7-12
Description:

Light up your clothing using solar power! For this unit, students will attach thin, flexible solar modules to a bike helmet and recharge NiMH rechargeable batteries for a renewable energy battery pack. The rechargeable batteries will be used to light up...

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Learning Goal(s):
1. Students will design and sew a wearable circuit using conductive thread. 2. Students will program a wearable microcontroller to light up garment with bright LEDs. 3. Students will incorporate solar power into a wearable garment project by recharging NiMH batteries for a renewable energy battery pack. 4. Students will apply knowledge of circuitry and energy transfer to maximize design.
Author:
Kristy Schneider
Estimated Activity Length:
10 hours
Lead Acid Battery

Solar Battery Charging

Grades:
7-12
Description:

Students will become familiar with circuits, cells, batteries, and photovoltaic cells, then plan, build, test, modify, and re-test a small solar battery charger designed to maintain batteries from a particular device.

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Learning Goal(s):
Students will build series, parallel, and parallel series circuits from a schematic diagram. Students will master the basic concept of battery charging. Students will be able to plan and build solar battery chargers for a given battery system. Intermediate students will calculate time to charge a depleted battery to its full capacity given specifications of a solar module. Students will be able to explain how a solar cell works with diagrams and words. Students will use a digital multi-meter to measure voltage, current, resistance, and diode polarity.
Author:
Luke Robbins
Estimated Activity Length:
9 hours
Basic Stamp Microprocessor

Measuring Voltage Using a Microcontroller

Grades:
9-12
Lesson Number:
1
Description:

In this lesson students will be introduced to series circuits, resistors, a photoresistor and a microcontroller. There’s a lot here, but it boils down to making a voltage divider circuit and measuring the voltage at different points. A second circuit...

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Learning Goal(s):
Students will apply Ohm’s Law. Students will use a multimeter to measure current, voltage, and resistance. Students will use a breadboard to set up a series circuit. Students will read circuit diagrams. Students will calculate times for an RC circuit to change state. Students will prove that resistors in series have an equivalent resistance equal to their individual sums. Students will program the Basic Stamp to measure voltage levels in a voltage divider and RC circuit.
Author:
Pat Blount
Estimated Activity Length:
2 hours
Basic Stamp Microprocessor

Controlling a Servo

Grades:
9-12
Lesson Number:
2
Description:

In this lesson students will learn how to control a servo using the Basic Stamp. Then students will combine the photoresistor from the previous lesson with the servo to create a light controlled servo.

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Learning Goal(s):
Students will be able to apply the pulse width modulation to a servo from a Basic Stamp. Students will synthesize two circuit designs using one to control the other through the Basic Stamp.
Author:
Pat Blount
Estimated Activity Length:
1 hour
Solar Charger Diagram

Can Portable PV Charge Vehicles?

Grades:
10-12
Lesson Number:
3
Description:

In this lesson, students will begin to explore the potential and challenges related to using photovoltaics to supplement the power needed to charge batteries in BEVs. Students will test a variety of wiring options related to series and parallel wiring....

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Learning Goal(s):
Students will explore the role of series and parallel wiring as they pertain to voltage and amperage.Students will explore the processes involved with charging batteries and relate these processes to voltage and amperage.Students will test photovoltaic modules to identify voltage and amperage outputs.Students will calculate, using data from field tests, the maximum power that can be produced using photovoltaics within the constraints of a typical passenger vehicle’s surface area.Students will calculate charging times using various PV array power ratings.
Author:
Clayton Hudiburg
Estimated Activity Length:
2 hours
Basic Stamp Microprocessor

Creating a Light-Tracking Servo

Grades:
9-12
Lesson Number:
3
Description:

Students will learn how to program the Basic Stamp to use information from two photoresistors to point a servo at a light source. This will be the first degree of freedom for the flower head.

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Learning Goal(s):
Students will synthesize the previous lesson for light metering and servo control to design a servo controlled by two photoresistors that will track a light source.
Author:
Pat Blount
Other Subjects Covered:
Estimated Activity Length:
1 hour

Part 1- Lesson 3: Home Energy Audit

Grades:
6-12
Lesson Number:
3
Description:

During this lesson, students will focus on where energy is used within their homes, how energy consumption is calculated, and how energy consumption can be reduced. Students will conduct a home energy audit and determine multiple ways to reduce energy...

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Learning Goal(s):
1.Students will identify all ways that energy is consumed within their homes.2.Students will perform an energy audit of their home and calculate the amount of energy used by each electronic device and appliances.3.Students will create a spreadsheet demonstrating the electricity required to operate each electronic device and appliance, along with a summary of finding that clearly identifies how energy consumption can be reduced within their home.4.Students will explore various ways to reduce energy (goal is 30% reduction).5.Students will propose a variety of energy reduction plans and present those options to their families for discussion.6.After discussion with their families, students will itemize the agreed upon plan and identify specific actions that result in quantifiable outcomes that will implemented to reduce energy consumption by their families.
Author:
Jonathan Strunin
Estimated Activity Length:
4 hours
Solar Charger Diagram

Designing a Solar Charger

Grades:
10-12
Lesson Number:
4
Description:

In this lesson, students will further explore the potential and challenges related to using photovoltaics to supplement the power needed to charge batteries in BEVs. Students will be provided with a 12 V lead-acid battery and several 3 V, 1.5 A solar...

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Learning Goal(s):
1. Students will explore the role of series and parallel wiring as they pertain to voltage and amperage. 2. Students will explore the processes involved with charging batteries and relate these processes to voltage and amperage. 3. Students will test photovoltaic modules to identify voltage and amperage outputs. 4. Students will design a system of wiring 3 V, 1.5 A modules together as a means to charge a 12 V lead-acid battery 5. Students will predict and test the effectiveness of their designed solar charger.
Author:
Clayton Hudiburg
Estimated Activity Length:
4 hours

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