Solar Circuit

How Light Intensity Affects Solar Cell Output

Grades:
6-8
Unit:
Lesson Number:
2
Description:

Students will expose solar cells to a light source from different distances and measure the output with a multimeter. They will compare and contrast the outputs that the different distances produce.

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Learning Goal(s):
After the completion of this lab, students will be able to describe how the light intensity affects solar cell output, have practiced using a multimeter, and have analyzed collected data.
Author:
Todd Freiboth
Estimated Activity Length:
40 min

Cost Effective Solar Cells: Engaging with Solar Panels

Grades:
9-12
Lesson Number:
2
Description:

This lesson is designed to span 2 days with 80-minute sections. On the first day, the teachers will challenge the students to assemble circuits with solar panels that can power up 1) a motor with fan, 2) a music-playing circuit, and 3) an LED. Students...

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Learning Goal(s):
Students will construct working solar panel arrays to power LEDs, fans, and music boxesStudents will sketch models of working solar circuits
Author:
Tom Wolverton
Estimated Activity Length:
3 hours

Part 1 - Lesson 2: What is electricity and how do we use it?

Grades:
6-12
Lesson Number:
2
Description:

During this lesson students will learn about how electricity originates at an atomic level and that electricity moves through conductors and can be directed using circuits. Students will used guided reading techniques to explore informational texts and...

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Learning Goal(s):
1.Students will define scientific vocabulary related to electricity.2.Students will be able to describe how electricity moves through a conductor.3.Students will draw and describe series and parallel circuits.
Author:
Jonathan Strunin
Relevant NGSS PE:
Estimated Activity Length:
5 hours

Exploring Eco-Friendly Battery Design

Grades:
4-5
Lesson Number:
2
Description:

In this lesson students will experiment with everyday household items to make batteries. Students will use lemons, potatoes, pennies, and cola to make batteries, and compare the amount of voltage produced. These lessons can be expanded to test a variety of...

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Learning Goal(s):
1.Students will explore methods to produce energy from everyday items such as potatoes, lemons, pennies, and cola.2.Students will explore battery design and transfer of energy through hands on experiments with household items.3.Students will measure voltage and experiment methods to increase voltage. 4.Students will extend lessons to test out a variety of other materials such as varieties of fruits, vegetables, and sodas to compare different voltage produced. 5.Students will collect and record data from all their experiments to compare the different voltage produced. 6.Students will display data in charts or graphs to analyze the outcomes of their experiments. 
Author:
Jonathan Strunin
Estimated Activity Length:
2 hours
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
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
 Foil Barge

What is Force?

Grades:
4-6
Unit:
Lesson Number:
3
Description:

Students will build a barge out of tin foil and describe the forces acting it. The barge itself is designed only with the constraints that passengers within the barge will not get wet, allowing for students to experiment with different shapes and...

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Learning Goal(s):
Students will identify the Laws of Motion and learn about the forces acting on the system. There are multiple forces acting on a boat, some of these forces include, acceleration, friction, gravity and thrust.
Author:
Carol Patrick
Other Subjects Covered:
Estimated Activity Length:
1 hour
Car Charger Schematic

Phone Charger Efficiency

Grades:
7-12
Unit:
Lesson Number:
3
Description:

This is part of the Off the Grid Unit. In this lesson students will explore the concept of efficiency , and how to take data in order to calculate the efficiency of various cell phone or USB charging circuits. They will complete this process by using a...

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Learning Goal(s):
1. Students will use multimeters to measure voltage and current in circuits. 2. Students will use collected data and be able to make power calculations from this data. 3. Students will also be able to calculate efficiency from their power calculations. 4. Students will be able to compare efficiencies in order to identify the circuit that is most efficient. 5. Students will be able to make circuits from a diagram and vice versa.
Pedagogy & Practice:
Author:
Brett McFarland
Relevant NGSS PE:
Estimated Activity Length:
2 hours
Wort Chiller

Bioreactor Water Circulation System

Grades:
7-12
Lesson Number:
3
Description:

Solar energy is available when the sun shines but energy can be supplemented at night by the decomposition energy in a bioreactor. In this activity we will experiment with the feasibility of using heated water in a bioreactor to circulate it through a...

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Learning Goal(s):
1. Students will examine the properties of solar water pumping systems using KidWind solar water pumps or similar water pumps. 2. Students will experiment with the properties of water and its limitations in circulating due to pump power and distance. 3. Students will evaluate the use of a heat sink/chiller in the circulation of water through the bioreactor.
Author:
Tami Church
Estimated Activity Length:
4 hours
Solar Mobile

Exploring Center of Gravity

Grades:
6-8
Lesson Number:
3
Description:

Since the concept Center of Gravity (mass) is a key factor in a mobile, students will participate in some activities to help them experience and understand this principle so it can be applied to their final Solar Mobile design. This lesson starts with a...

Energy Content:
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Learning Goal(s):
Students will observe a discrepant event and write down questions about what they observed. Students will participate in a variety of activities using a meter stick in order to experience and learn about center of gravity.Students will find the center of gravity of an irregular shaped paper object by using a plumb line. Students will apply the concept of Center of Gravity and find the center of their solar aircraft that is to be used on their solar mobile. 
Author:
Kristy Schneider
Other Subjects Covered:
Estimated Activity Length:
2 hours