Build Solar Cars

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

Students will build their solar vehicles. There are many options for them to do this, depending on the specific variables hoping to be tested following the construction and material-selection process. Students will be given the opportunity to try out...

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Learning Goal(s):
Students will construct a geared solar car, a pulley-system solar car, or both. Students will make verbal predictions about the outcomes and viabilities of different types of solar cars. Students will pinpoint the independent, dependent, and control variables in their solar car testing process.
Author:
Carol Patrick
Other Subjects Covered:
Estimated Activity Length:
50 min

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

Keeping it Cool With Solar: Design Time

Grades:
K-2
Lesson Number:
3
Description:

This lesson is designed for one 30-minute session. Students are shown materials. Students are asked “How might we design a structure that will keep the ground the coolest?” Students design their structures by discussing, collaborating, and drawing....

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Cost Effective Solar Cells: Solar Panel Basics

Grades:
9-12
Lesson Number:
3
Description:

This lesson is designed to be completed in one 40-minute section. Students will have already learned the concepts of basic circuits, including voltage, current, power, parallel and serial circuits. Teachers will then explain the basic concept of solar...

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Learning Goal(s):
Students will review circuitry basics and solar cell layersStudents will model N-layers, P-layers, and the N-P junction in a physical circuit activity
Author:
Tom Wolverton
Other Subjects Covered:
Estimated Activity Length:
1 hour
2-Volt, 500mA Solar Modules

How Do Solar Panels Work?

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

Students will learn the basics of how a solar cell generates electricity and observe the effects on a small electrical load attached to a solar module under a variety of conditions. They will build upon knowledge gained in previous lessons dealing with...

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Learning Goal(s):
Students will be able to describe, in basic terms, the way that electricity is generated from a solar cell. Students will be able to determine that energy from the sun is being converted directly into electricity. Students will understand that this electrical energy that is produced in this energy transfer is able to perform the work required within a small load.
Pedagogy & Practice:
Author:
Carol Patrick
Relevant NGSS PE:
Estimated Activity Length:
1 hour
Car Charger Schematic

Exploring Buck and Boost Converters

Grades:
7-12
Unit:
Lesson Number:
4
Description:

This lab uses a variety of voltage conversion devices to output 5 Volts, the requirements for a USB charger such as for a cell phone. Students will take data on these devices and calculate, graph and compare efficiencies of different devices. Devices used...

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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:
Other Subjects Covered:
Estimated Activity Length:
3 hours
Kill-A-Watt_Meter

Energy Efficiency - Lighting

Grades:
4-5
Unit:
Lesson Number:
4
Description:

In this lesson, students will learn how to read light bulb packaging (lighting facts) and do a whole class experiment comparing a 60-watt incandescent to an equivalent CFL and an LED bulb. This experiment will be conducted using a kil-o-watt meter,...

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Learning Goal(s):
Students will understand what energy efficiency means, and learn how to choose energy efficient light bulbs. Students will determine which lightbulbs are the most efficient. Students will understand how energy efficiency relates to energy generation and climate change.
Author:
Debbie Abel
Estimated Activity Length:
50 min
Solar Mobile

Light Source Efficiency: Exploring Irradiance

Grades:
6-8
Lesson Number:
4
Description:

This lesson explores the concept of irradiance by having students use a Vernier Pryanometer. Using the “Light Source Efficiency” worksheet to guide their work, students measure irradiance as compared to the Sun’s irradiance to see what would be the best...

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Learning Goal(s):
Using a Vernier Pyranometer, students will measure electromagnetic radiation in watts per square meter (W/m2 ). Students will compare Sunlight irradiance with various indoor lighting options. Students will make a recommendation as to the optimum indoor lighting for powering solar panels. 
Author:
Kristy Schneider
Estimated Activity Length:
2 hours
Design a 50 Year Energy Plan

Scaling up to Power Production Let’s use Data to Optimize the Performance of a Solar Cell Array

Grades:
9-12
Lesson Number:
4
Description:

Somewhat similar to the first part of the wind turbine project from Lesson 3, students are tasked with optimizing the performance of a photovoltaic system. This objective both allows students to apply the engineering-design process they absorbed in...

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Checklist

Home Energy Survey

Grades:
4-5
Lesson Number:
4
Description:

Students will learn how to determine what sources of energy are used in their home. They will determine types of energy used in their home through observation and interviews. This will be documented through a home energy survey sheet that students will...

Energy Content:
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Learning Goal(s):
Students will be able to describe the basic principles of various forms of energy and write a detailed description of one of those forms of energy. This written product will include common uses of this form of energy, costs, and basic advantages and disadvantages of using this form of energy.
NGSS Science and Engineering Practices:
Author:
Eric Gronseth
Relevant NGSS PE:
Other Subjects Covered:
Estimated Activity Length:
40 min