Photovoltaic Solutions "Shark-Tank Style" (Lesson 5)

Average Rating:
0
Author:
Clayton Hudiburg
Intended Grade Level(s):
10th
11th
12th
Subject Area(s) Covered:
STEM
Estimated Activity Length:
5 hours
Learning Goal(s):

1. Students will use data and mathematics to design a solution for using PV technology in the transportation sector.
2. Students will create a presentation with visuals and specs outlining their proposed solution.
3. Students will present and attempt to “sell” their products to a panel of judges.

Common Core Standard(s) Met:
11-12.RST.3
11-12.RST.8
11-12.RST.9
F.IF.6
F.BF.2

In this lesson, the students will take their knowledge gained in the previous activities to innovate design solutions that will allow PV technology to plan an increased role in the transportation sector. The

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Designing a Solar Charger (Lesson 4)

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0
Author:
Clayton Hudiburg
Intended Grade Level(s):
10th
11th
12th
Subject Area(s) Covered:
Amperage
voltage
electricity
Power
Energy Storage
Battery charging
Estimated Activity Length:
4 hours
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.

Common Core Standard(s) Met:
11-12.RST.3
11-12.RST.6
11-12.RST.9
F.IF.6
F.BF.2

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

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Can Portable PV Charge Vehicles? (Lesson 3)

Average Rating:
0
Author:
Clayton Hudiburg
Intended Grade Level(s):
10th
11th
12th
Subject Area(s) Covered:
Amperage
voltage
electricity
Power
Energy Storage
Battery charging
Estimated Activity Length:
2 hours 30 min
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 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.
  5. Students will calculate charging times using various PV array power ratings.
Common Core Standard(s) Met:
11-12.RST.3
11-12.RST.9
F.IF.6
F.BF.2

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. Once students have grasped the basics, they will measure the surface area of a passenger... View full description >>

Background Research on Alternative Transportation Vehicles (Lesson 2)

Average Rating:
0
Author:
Clayton Hudiburg
Intended Grade Level(s):
10th
11th
12th
Subject Area(s) Covered:
Alternative Energy
Alternative Transportation
Estimated Activity Length:
1 hour 40 min
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

Common Core Standard(s) Met:
11-12.RST.7

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

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Replacing Fossil Fuels? (Lesson 1)

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0
Author:
Clayton Hudiburg
Intended Grade Level(s):
10th
11th
12th
Subject Area(s) Covered:
Energy Density
fossil fuels
Alternative Energy
Estimated Activity Length:
1 hour 20 min
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.

Common Core Standard(s) Met:
11-12.RST.7

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

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Integrating Solar Power (Lesson 5)

Average Rating:
0
Author:
Pat Blount
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
electricity
electronics
computer science
applied physics
Estimated Activity Length:
1 hour 40 min
Learning Goal(s):

Students will create voltage regulator and construct a solar battery charger.

Common Core Standard(s) Met:
9-10.RST.3
9-10.RST.7
11-12.RST.9

At this point students should have a working robotic sunflower that will track the sun with 2 degrees of freedom. This next lesson powers the whole system with a photovoltaic module. A Zener diode is used to charge a 6V motorcycle battery which then supplies a voltage regulator which in turn supplies the 5V needed by the microprocessor. View full description >>

Dual Axis Light Tracking (Lesson 4)

Average Rating:
0
Author:
Pat Blount
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
electricity
electronics
computer science
applied physics
Estimated Activity Length:
1 hour 40 min
Learning Goal(s):

Students will create a solar tracker with two degrees of freedom.

Common Core Standard(s) Met:
9-10.RST.3
9-10.RST.7
11-12.RST.9

Students will take the previous lesson and apply them in creating a light tracker with two degrees of freedom. The axis of rotation will be about the horizontal and vertical. Teams will have everything they need to make this build work. They have already created a tracker with one degree of freedom, so adding a second is a matter of replication... View full description >>

Creating a Light-tracking Servo (Lesson 3)

Average Rating:
0
Author:
Pat Blount
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
electricity
electronics
computer science
applied physics
Estimated Activity Length:
1 hour 40 min
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.

Common Core Standard(s) Met:
9-10.RST.3
9-10.RST.7
11-12.RST.9

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. View full description >>

Controlling a Servo (Lesson 2)

Average Rating:
0
Author:
Pat Blount
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
electricity
electronics
computer science
applied physics
Estimated Activity Length:
1 hour 40 min
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.

Common Core Standard(s) Met:
11-12.RST.3
11-12.RST.7
11-12.RST.9

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. View full description >>

Measuring Voltage Using a Microcontroller (Lesson 1)

Average Rating:
0
Author:
Pat Blount
Intended Grade Level(s):
9th
10th
11th
12th
Estimated Activity Length:
2 hours 30 min
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.

Common Core Standard(s) Met:
11-12.RST.3
11-12.RST.7
11-12.RST.9

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 includes an RC component. Teachers can edit this down to just a photoresistor if time and/or... View full description >>

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