Kill-A-Watt_Meter

How much energy do YOU use?

Grades:
7-8
Lesson Number:
3
Description:

Students will learn the difference between energy and power. They will then use this new understanding to compare the energy and power difference of light bulbs (incandescent, halogen, fluorescent, and LED) using a tool called a “Kill-A-Watt” meter....

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Learning Goal(s):
Students will be able to: • Explain the difference between power and energy • Proficiently use a “Kill-A-Watt” meter to determine the power and total energy usage of everyday devices • Compare the total energy used by common household devices • Brainstorm different ways we can conserve electrical energy
Author:
Craig Marais
Relevant NGSS PE:
Estimated Activity Length:
0 sec

Creating the Most Effective Solar Heater

Grades:
6-8
Lesson Number:
3
Description:

This part can be staged as a competition or simply a personal challenge to beat the standard solar heater created in part 1. During this stage of the lesson students are asked to analyze data and results from part 2 and identify which characteristics of a...

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Part 1- Lesson 3: Home Energy Audit

Grades:
6-12
Lesson Number:
3
Description:

During this lesson, students will focus on where energy is used within their homes, how energy consumption is calculated, and how energy consumption can be reduced. Students will conduct a home energy audit and determine multiple ways to reduce energy...

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Learning Goal(s):
1.Students will identify all ways that energy is consumed within their homes.2.Students will perform an energy audit of their home and calculate the amount of energy used by each electronic device and appliances.3.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.4.Students will explore various ways to reduce energy (goal is 30% reduction).5.Students will propose a variety of energy reduction plans and present those options to their families for discussion.6.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.
Author:
Jonathan Strunin
Estimated Activity Length:
4 hours
Solar Charger Diagram

Designing a Solar Charger

Grades:
10-12
Lesson Number:
4
Description:

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-acid battery and several 3 V, 1.5 A solar...

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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.
Author:
Clayton Hudiburg
Estimated Activity Length:
4 hours
Solar Rooftop

Solar Site Assessment

Grades:
9-12
Lesson Number:
4
Description:

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

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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.
Author:
Clayton Hudiburg
Estimated Activity Length:
1 hour
Solar Charger Diagram

Photovoltaic Solutions "Shark-Tank Style"

Grades:
10-12
Lesson Number:
5
Description:

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 challenge given to them is to design a BEV that...

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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.
Author:
Clayton Hudiburg
Estimated Activity Length:
5 hours
BioLite

Biolite - Fire to Phone Charging

Grades:
7-12
Unit:
Lesson Number:
6
Description:

This is the 6 th part in the Off the Grid Unit. This lesson continues to look at the efficiency of USB charging devices, but this time we will be using a commercially available camping stove that uses heat to create electricity in order to charge a phone....

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Learning Goal(s):
1. Students will use thermometers and a stopwatch to calculate power. 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 to other circuits tested in this unit. 5. Students will know what the Peltier Junction does.
Author:
Brett McFarland
Relevant NGSS PE:
Estimated Activity Length:
1 hour
Car Charger Schematic

Designing a Solar Phone Charger

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

This is the culminating activity for the unit “Off the Grid.” Students will be given some restricted parameters around which to design a solar powered battery operated phone (or other USB device) charger . They will charge the AA battery packs that have...

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Learning Goal(s):
1. Students will be able to design a device that can charge a phone with 4 hours of sun a day. 2. Students will use collected data and be able to support their design – i.e. the data will show that the unit will produce enough energy to charge a phone given it receives 4 hours of sun a day. 3. Students will also be able to calculate efficiency from their power calculations. 4. Students will be able to compare efficiencies of their circuit to others tested in this unit. 5. Students can calculate how much energy 4 hours of sunlight can produce on the solar modules they will use.
Pedagogy & Practice:
Author:
Brett McFarland
Estimated Activity Length:
5 hours

Part 3 – Lesson 1: A Plan for Renewable Energy Goals

Grades:
6-12
Lesson Number:
7
Description:

Students will utilize their home energy audits from Part 1, the information they gathered from the wind and solar assessments in Part 2, and the knowledge they gained from the solar project in Part 2 to devise a plan for your city or town to meet renewable...

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Learning Goal(s):
1.Students will utilize previously acquired information about energy needs to create a renewable energy proposal for their city or town.2.Students will perform a solar energy audit on their homes and use class averages to calculate the amount of renewable energy that can be generated on residential properties.3.Students will assess where commercial and local government solar projects can occur within the city or town 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 prepare a brief PowerPoint presentation that summarizes their comprehensive plans that will be presented to a panel of elected officials or local experts/stakeholders.
Author:
Jonathan Strunin
Estimated Activity Length:
4 hours