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 >>

Simple Solar Tracker

Average Rating:
0
Author:
Pat Blount
Intended Grade Level(s):
4th
5th
6th
7th
8th
9th
10th
11th
12th
Subject Area(s) Covered:
physics
electronics
solar power
Engineering
engineering design process
Estimated Activity Length:
2 hours
Learning Goal(s):

Students observe and replicate a simple solar tracker. Students will learn basic electric circuits and terminology. Students will reflect on possible improvements for solar tracker. Students will reflect on how the engineering design process is used daily.

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

Students will be shown a working example of a solar tracker and asked to replicate the design based on their observations. The design incorporates four solar cells arranged in two arrays with each array reverse biased such that they generate a voltage that opposes the other. Whichever array receives the most light will generate more voltage... View full description >>

Saving Lives with Solar Ovens (Lesson 4)

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0
Author:
Lisa Morgan
Intended Grade Level(s):
3rd
4th
5th
6th
7th
8th
9th
10th
11th
12th
Subject Area(s) Covered:
solar ovens and solar water purification.
Estimated Activity Length:
50 min
Learning Goal(s):

Students will learn about different solar cooker designs and how they function. Students will learn the customs, jobs, food and clothing of people in different countries of Africa.

Students will be introduced to Solar Cookers International. Students will learn about different solar cooker designs and how they function. Students will learn the pros and cons on the use of solar ovens in developing countries. Students will gain an understanding of the kind of lives people lead in a refugee camp in Africa. They will gain an... View full description >>

Solar Panel Construction, Orientation and Use Unit

Average Rating:
0
Author:
James Mulanax
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
applied physics
physics
principles of technology
Engineering
applied math
research to build and present knowledge
statistics and probability
modeling
Estimated Activity Length:
10 hours 40 min
Learning Goal(s):

Modeling and data analysis

For this extended task, students will track the sun's altitude and Azimuth to determine the best position for their hand-built solar panel, learn solar cell operation basics, solar panel construction, series and parallel circuitry and basic array sizing. View full description >>

Solar Site Assessment (Lesson 4)

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0
Author:
Clayton Hudiburg
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
solar energy
renewable energy
design
Estimated Activity Length:
1 hour 50 min
Learning Goal(s):

Students will be able to use a Solar Pathfinder to determine the amount of solar resource lost to shading from nearby trees, buildings, etc. Students will be able to calculate the number of kWh of electricity that can be produced in a specific location and in a specific sized area. Students will be able to calculate the amount of carbon emissions that can be offset due to installing photovoltaic panels of various sizes. Students will be able to calculate the size array needed to offset all electricity use for the high school.

Students will do an actual site assessment to determine the available solar resource for a chosen location. 

View full description >>

Solar Pathfinder Tutorial (Lesson 3)

Average Rating:
0
Author:
Clayton Hudiburg
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
solar energy
Estimated Activity Length:
50 min
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.

Common Core Standard(s) Met:
11-12.RST.7
11-12.RST.8
11-12.RST.9

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 teacher. 

... View full description >>

Macro-Scale Solar (Lesson 2)

Average Rating:
0
Author:
Clayton Hudiburg
Intended Grade Level(s):
9th
10th
11th
12th
Estimated Activity Length:
3 hours
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.

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 described in detail. View full description >>

Introduction to the Photovoltaic Effect (Lesson 1)

Average Rating:
0
Author:
Clayton Hudiburg
Intended Grade Level(s):
9th
10th
11th
12th
Subject Area(s) Covered:
Chemistry
electricity
physics
photovoltaics
Estimated Activity Length:
1 hour 40 min
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.

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

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 described in detail. View full description >>

Using a Multimeter to Analyze a Solar Circuit: Measuring Current and Voltage—Calculating Power and Resistance

Average Rating:
0
Author:
Emily Barrett
Intended Grade Level(s):
6th
7th
8th
9th
10th
11th
12th
Subject Area(s) Covered:
Energy
electricity
Power
solar energy
circuit analysis
Estimated Activity Length:
1 hour 30 min
Learning Goal(s):

Students will understand that voltage is a measure of a difference in electric potential energy and that current is the rate at which charge flows through a circuit.Students will understand how to measure and quantify electricity. Students will become familiar with the relationships between the fundamental electrical
quantities.

Students will set up a simple circuit using a multimeter and a load resistor to measure the voltage and current in the circuit. Students will learn to use a multimeter, learn how to calculate power and be introduced to Ohm’s Law. This activity provides a good introduction to understanding the relationship between fundamental electricity... View full description >>

Circuit Analysis With Solar Energy: Measure the Power Consumed by Various Devices

Average Rating:
0
Author:
Emily Barrett
Intended Grade Level(s):
6th
7th
8th
9th
10th
11th
12th
Subject Area(s) Covered:
Energy
electricity
Power
solar energy
circuit analysis
Estimated Activity Length:
1 hour 30 min
Learning Goal(s):

Students will understand that voltage is a measure of a difference in electric potential energy and that current is the rate at which charge flows through a circuit.

Students will understand how to measure and quantify electricity.

Students will become familiar with the relationships between the fundamental electrical
quantities.

Students will set up a simple circuit using a solar module and three small loads. They will then use a multimeter to measure the voltage across each load and the current through each circuit. Students will then calculate the power consumption and resistance of each load.

  View full description >>

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