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

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
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

Unit Plan: Understand E-Waste Through Battery Design

Grades:
4-5
Description:

In this lesson students will further explore their understanding of energy, electricity, and basic circuits. Students will begin their exploration of batteries by questioning where batteries end up when we are done using them, making connections to e-waste...

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Learning Goal(s):
1.Students will make connections to real world problem solving with e-waste.2.Students will explore battery design and transfer of energy through hands on experiments with household items.3.Students will evaluate and analyze problems with e-waste and research solutions.4.Students will draw and label models to explain circuits demonstrating the movement of energy.5.Students will be able to explain how the measured and compared batteries based on the knowledge learned about volts and using a voltmeter.
Author:
Jonathan Strunin
Estimated Activity Length:
10 hours
Solar Mini House

Mini Solar Houses Unit

Grades:
4-6
Description:

In Lesson 1, the lesson focuses on understanding how the angle and orientation affect the amount of energy that is generated through use of a solar cell. Paper azimuth finders, Keva Planks, and multimeters will be used in order for students to draw...

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Learning Goal(s):
1. Students will understand how to use an Azimuth finder to determine the direction and altitude that solar modules will face. 2. Students will learn how to describe why a solar module is pitched at a particular angle. 3. Students will understand how to measure the voltage and current for an electrical energy source. 4. Students will learn how to build a circuit that will light a light bulb with a switch and without a switch. 5. Students will understand that the electricity flows through a circuit from an energy source to a load. 6. Students will understand the difference between open and closed circuits. 7. Students will understand the similarities and differences between solar cells and batteries as an energy source. 8. Students will understand how electricity flows through a circuit (from energy sources to loads) with more than one source and more than one load. 9. Students will understand how to build series and parallel circuit and the characteristics of each. 10. Students will learn to power both a light and a fan. 11. Students will learn how to find a fault in a circuit. 12. Students will understand that the electricity flows through a circuit from an energy source to a load. 13. Students will understand the difference between open and closed circuits. 14. Students will identify the causes and solutions to various complications that arise in the construction of circuits. 15. Students will use the design process to create a roof to hold an adequate number of solar modules to power an LED and a fan. 16. Students will understand how to make a geometric net (a 2D drawing that when folded creates a 3D shape) for designing a roof.
Author:
Beverly Satterwhite
Estimated Activity Length:
8 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

Solar Car Engineering Challenge Unit

Grades:
6-8
Description:

Students will build a solar car using instructions provided (Sol Run). They will take measurements of their car and then test to see how fast it can travel a 3m track. After students obtain their initial results they will research how to improve the car’s...

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Learning Goal(s):
After the completion of this lesson students will be able to: • Describe how solar cars work • Accurately record and measure data • Use data to propose changes to experimental designs • Research a topic • Complete a full engineering assignment • Explain pros/cons of various prototypes • Work successfully within a group to accomplish a specific task • Brainstorm various ideas
Author:
Todd Freiboth
Estimated Activity Length:
40 min
Outdoor Circuitry

Engineering with Renewable Energy: Solar Water Pumping

Grades:
4-5
Description:

Students will learn that energy from a renewable resource can be converted to electrical energy to do work by engineering a water pump system powered by the sun. They will compare the volume of water pumped by different designs and graph data collected and...

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Learning Goal(s):
The students will be able to learn what a solar cell looks like and how light energy triggers the cell to release negative charges to move toward the positive side, creating power as it moves from one side to the other. Students will be able to arrange four panels into the correct order to create power for an object and interact with a 3D model of a module to understand how the electricity to power the fan is created. The students will be able to experiment with solar panels (angle, direction) to power a small fan/LED light/circuit board. Students will be able to identify the best position/angle for maximum power. Students will apply scientific ideas to design and test a solar powered water pump that moves water at the fastest rate. Students will experiment and build understanding of parallel and series wiring and how energy moves in these circuits.
Author:
Jamie Repasky
Estimated Activity Length:
2 hours
Solar Mobile

Solar Mobile Design Challenge Unit Plan

Grades:
6-8
Description:

This unit involves students learning about transferring solar energy to small motors, exploring the center of gravity and testing light sources (including the sun). The culminating engineering design project gives students the chance to pull...

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Learning Goal(s):
Students will design circuits using various solar panels in order to power motors with propellers. Students will learn about solar energy transfer in order to power the motors on their solar aircraft.Students will research an aircraft and draw an outline of the aircraft onto foam board. Students will explore the concept of center of gravity. Students will test the efficiency of various light sources (incandescent, fluorescent, LED, halogen) for usage by a PV cell.Students will use their prior testing results and knowledge to engineer a solar-powered mobile. Students will work to transfer the most energy from the solar panels considering all the tested variables in order to power the fastest, most efficient mobile.Students will demonstrate and explain why their solar mobile should be chosen for the solar mobile display in the children’s museum. 
Author:
Kristy Schneider
Estimated Activity Length:
0 sec
Solar Tracker

Solar Tracker Challenge

Grades:
5-7
Description:

Students will build a simple circuit that can be used to track a light source. This circuit will be used as a springboard for discussion into the engineering design process, solar tracking, and basic electricity and circuits. The simple solar tracker...

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Learning Goal(s):
Students observe and replicate a simple solar tracker; learn basic electric circuits and terminology; reflect on possible improvements for solar tracker; and reflect on how the engineering design process is used daily.
NGSS Science and Engineering Practices:
Author:
Jamie Repasky
Estimated Activity Length:
1 hour

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