Solar Charger Diagram

Replacing Fossil Fuels?

Grades:
10-12
Lesson Number:
1
Description:

As students begin to look at the role photovoltaics might play within the transportation energy sector, it is important for them to understand why the phasing-out of fossil fuels is such a daunting task. This lesson is designed to help students comprehend...

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Learning Goal(s):
1. Students will define energy density. 2. Students will compare energy densities among various transportation fuel options. 3. Students will compare costs per unit of energy among various transportation fuel options. 4. Students will compare energy return on energy invested among various transportation fuel options. 5. Students will assess which fuels have the most potential to replace fossil fuels in the transportation sector using a weighted matrix.
Author:
Clayton Hudiburg
Relevant NGSS PE:
Estimated Activity Length:
1 hour
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
Solar Rooftop

Introduction to the Photovoltaic Effect

Grades:
9-12
Lesson Number:
1
Description:

This lesson begins with basic chemistry with regards to atomic structure. The lesson then moves to understanding the special properties of silicon as a photoelectric semi- conductor. Building on this, the basic structure of photovoltaic solar cells is...

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Learning Goal(s):
Students will be able to describe the basic structure of a photovoltaic solar cell. Students will be able to outline or summarize how solar cells produce electricity. Students will be able to explain why silicon, boron and phosphorous are most often used to construct solar cells.
Pedagogy & Practice:
NGSS Science and Engineering Practices:
Author:
Clayton Hudiburg
Other Subjects Covered:
Estimated Activity Length:
1 hour
Solar Charger Diagram

Background Research on Alternative Transportation Vehicles

Grades:
10-12
Lesson Number:
2
Description:

Students completing this lesson will already have identified some of the problems inherent in the development of ideas to replace fossil fuels in the transportation sector. Students will now conduct some research to identify some of the pros and cons of...

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Learning Goal(s):
1. Students will define BEVs, HEVs, HFCVs, and HICEVs 2. Students will compare the above vehicles and relate the pros and cons of each technology 3. Students will begin to evaluate which type of technology might be best suited for the goal of replacing fossil fuels in the transportation sector 4. Students will begin to brainstorm ideas for how solar energy might be used to enhance these technologies
Author:
Clayton Hudiburg
Other Subjects Covered:
Estimated Activity Length:
1 hour
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 Rooftop

Macro-Scale Solar

Grades:
9-12
Lesson Number:
2
Description:

This lesson begins with basic chemistry with regards to atomic structure. The lesson then moves to understanding the special properties of silicon as a photoelectric semi- conductor. Building on this, the basic structure of photovoltaic solar cells is...

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More Details Less Details
Learning Goal(s):
Students will be able to describe the basic structure of a photovoltaic solar module implementing the ideas of series and parallel wiring. Students will be able to describe the basic structure of a photovoltaic solar array implementing the ideas of series and parallel wiring. Students will be able to describe the function and necessity of an inverter when using photovoltaic arrays.
Author:
Clayton Hudiburg
Relevant NGSS PE:
Estimated Activity Length:
3 hours
Solar Rooftop

Solar Pathfinder Tutorial

Grades:
9-12
Lesson Number:
3
Description:

This lesson is designed to allow the students to practice assembling and using their Solar Pathfinders, along with analyzing the data. The students will take a single measurement and digital photograph at a location near the classroom designated by the...

Energy Content:
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Learning Goal(s):
Students will be able to properly assemble and orient their solar pathfinder. Students will be able to properly record the information provided by a solar pathfinder. Students will be able to accurately analyze the information provided by the solar pathfinder to calculate the solar potential (kWh/m2/day) taking into account variables such as shading, climate and weather.
Author:
Clayton Hudiburg
Relevant NGSS PE:
Estimated Activity Length:
50 min