Car Charger Schematic

Exploring Buck and Boost Converters

Grades:
7-12
Unit:
Off the Grid
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...

Energy Content:
Circuitry,
Electrical Energy,
Electronics
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More Details Less Details
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:
Hands-on Materials
NGSS Science and Engineering Practices:
1: Asking Questions and Defining Problems,
2: Developing and Using Models,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Brett McFarland
Relevant NGSS PE:
HS-PS3-1
Other Subjects Covered:
Math: Measurement
Estimated Activity Length:
3 hours

Design and Engineer Solutions

Grades:
5-8
Unit:
Adrift in a Sea of Plastic
Lesson Number:
4
Description:

This lesson is designed to span 9 days with 50-minute sessions. The students will use a Design and Engineering Journal to guide them in the design and engineering process. In small groups they will use the research from lesson 2 to formulate solutions to...

Energy Content:
Circuitry,
Electrical Energy,
Materials Science,
Next Generation Manufacturing,
Solar Photovoltaic
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More Details Less Details
Learning Goal(s):
Students will take part in the engineering design process.Students will use problem solving skills to make changes to designs.Students will use speaking and listening skills to give presentations and listen to others give their presentation.
Pedagogy & Practice:
21st Century Skills Development,
Culturally Sustaining,
English Language Strategies,
Engineering Design,
Establishing a Culture of Science,
Group Work/Collaboration,
Hands-on Materials,
Phenomena-Driven Instruction,
Project-Based Learning,
Research-Secondary,
STEAM/Arts
NGSS Science and Engineering Practices:
1: Asking Questions and Defining Problems,
2: Developing and Using Models,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Jonathan Strunin
Relevant NGSS PE:
5-ESS3-1,
3-5-ETS1-1,
3-5-ETS1-2,
3-5-ETS1-3,
MS-ESS3-3,
MS-ETS1-1,
MS-ETS1-2,
MS-ETS1-3
Other Subjects Covered:
Computer Science,
Environmental Sciences,
ELA: Speaking & Listening,
Math: Geometry,
Math: Graphing & Representation,
Math: Measurement
Estimated Activity Length:
7 hours

Keeping it Cool With Solar: Build Time

Grades:
K-2
Unit:
Keeping it Cool With Solar
Lesson Number:
4
Description:

This lesson is designed for one 30-minute session. Students build their structures based on their designs from Lesson 3. Students share evidence about ho w their structures affect the sunlight on the earth’s surface.

Energy Content:
Energy Efficiency,
Energy Fundamentals,
Light (Visible),
Solar Thermal
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More Details Less Details
Learning Goal(s):
1. Students build shade structures that will optimize cooling the earth’s surface from sunlight.
Pedagogy & Practice:
Early Childhood Learning,
Engineering Design,
Establishing a Culture of Science,
Hands-on Materials
NGSS Science and Engineering Practices:
1: Asking Questions and Defining Problems,
2: Developing and Using Models,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Mark Lewin
Relevant NGSS PE:
K-PS3-1
Other Subjects Covered:
ELA: Speaking & Listening
Estimated Activity Length:
1 hour
Sun

Solar Energy Basics

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

Students will learn the basics of solar power and the difference between photovoltaic solar power and passive solar power. They will also learn the pros and cons of solar power and be able to describe the advantages and disadvantages of using solar power...

Energy Content:
Solar Photovoltaic,
Solar Thermal,
Sources of Energy
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More Details Less Details
Learning Goal(s):
Students will be able to describe the basic principles of solar power and list advantages and disadvantages of using solar power. Students will be able to distinguish between passive solar and photovoltaic solar power. Students will be able to determine what data from a solar array represents. Students will be able to determine the cause of energy generation trends when observed over longer periods of time.
Pedagogy & Practice:
Research-Primary
NGSS Science and Engineering Practices:
4: Analyzing and Interpreting Data,
8: Obtaining, Evaluating, and Communicating Information
Author:
Eric Gronseth
Relevant NGSS PE:
4-PS3-2,
4-ESS3-1
Other Subjects Covered:
ELA: Speaking & Listening,
Math: Graphing & Representation
Estimated Activity Length:
40 min
US DOE WInd Turbines

Variables Affecting Wind Turbine Power

Grades:
7-8
Unit:
Solar vs. Wind Energy
Lesson Number:
5
Description:

Now that students are familiar with how mechanical electricity generation works, they will build a wind turbine powered by a box fan. Different teams will test different turbine variables to see how the amount of electrical power is affected. After each...

Energy Content:
Electrical Energy,
Electricity Generation,
Wind Energy
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More Details Less Details
Learning Goal(s):
• Students will be able to identify and explain at least three variables that affect the efficiency of wind turbines • Students will conduct a scientific investigation to determine which wind turbine configuration will generate the most power
Pedagogy & Practice:
Engineering Design,
Group Work/Collaboration,
Hands-on Materials
NGSS Science and Engineering Practices:
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Craig Marais
Relevant NGSS PE:
MS-ETS1-2,
MS-PS3-1,
MS-PS3-4
Other Subjects Covered:
ELA: Writing,
Math: Graphing & Representation,
Math: Measurement
Estimated Activity Length:
4 hours

Analyze Data and Draw Conclusions

Grades:
4-6
Unit:
Solar Cars
Lesson Number:
5
Description:

Students have performed the investigation and will now analyze their data. They will accomplish this through a journaling activity that requires them to use the data collected from the actual races. The will refer to sentence frames in order to make...

Energy Content:
Circuitry,
Solar Photovoltaic
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More Details Less Details
Learning Goal(s):
Students will determine how differences between solar cars affected their functionality. Students will make claims based off of quantitative and qualitative data. Students will engage in scientific talk based off of their own observations when constructing and testing solar cars. Students will complete a journaling activity that outlines their processes relating to making conclusions.
Pedagogy & Practice:
English Language Strategies,
Engineering Design,
Project-Based Learning
NGSS Science and Engineering Practices:
4: Analyzing and Interpreting Data,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Carol Patrick
Relevant NGSS PE:
5-PS2-1,
5-PS3-1,
3-5-ETS1-2
Other Subjects Covered:
ELA: Writing
Estimated Activity Length:
1 hour
Kidwind Small Water Pump

Making Observations and Recording Data for Solar Powered Water Pumping

Grades:
2-5
Unit:
Understanding Science and Engineering Through Solar Power
Lesson Number:
5
Description:

Students use a solar module and water pump to test how quickly one cup of water can be pumped.

Energy Content:
Circuitry,
Electrical Energy,
Solar Photovoltaic
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More Details Less Details
Learning Goal(s):
Students will be able to make observations and record data about how quickly a solar module will drive a pump to move water.
Pedagogy & Practice:
Engineering Design,
Group Work/Collaboration,
Hands-on Materials,
Project-Based Learning
NGSS Science and Engineering Practices:
1: Asking Questions and Defining Problems,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Mike Hellis
Relevant NGSS PE:
4-PS3-2,
4-PS3-4,
3-5-ETS1-1,
3-5-ETS1-2
Other Subjects Covered:
Math: Graphing & Representation,
Math: Measurement
Estimated Activity Length:
1 hour
Hot Pack

Engineering a Hot Pack

Grades:
7-8
Unit:
Chemical Differences in Emergency Energy Sources
Lesson Number:
5
Description:

Through a series of inquiry activities, students will discover the properties of the chemical reaction of dissolving CaCl 2 in water, the effect of stirring, and of adding baking soda and sodium polyacrylate crystals. Once initial data is collected,...

Energy Content:
Materials Science,
Thermal Energy (Heat)
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More Details Less Details
Learning Goal(s):
Students will collect data to characterize a chemical reaction Students will identify the criteria and constraints of an engineering challenge. Students will design and build a hot pack that meets the criteria of the project. Students will collect data to support their proposed design. 
Pedagogy & Practice:
Engineering Design,
Group Work/Collaboration,
Hands-on Materials
NGSS Science and Engineering Practices:
2: Developing and Using Models,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence
Author:
Melody Childers
Relevant NGSS PE:
MS-PS1-2,
MS-PS1-6
Other Subjects Covered:
ELA: Speaking & Listening,
Math: Graphing & Representation,
Math: Measurement
Estimated Activity Length:
5 hours

Using Multiple Solar Modules

Grades:
3-5
Unit:
Introducing Solar Energy
Lesson Number:
5
Description:

Students first explore with 0.5 Volt solar cells to see whether adding cells to a circuit increases the amount of water pumped by a small pump. They are introduced to parallel and series wiring. They then design and carry out a formal experiment to test...

Energy Content:
Electrical Energy,
Solar Photovoltaic
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More Details Less Details
Learning Goal(s):
Students will apply scientific ideas to design and test a solar powered water pump that moves water at the fastest rate. Students will experiment and build understanding of parallel and series wiring and how energy moves in these circuits. Students will record data accurately into a table.
Pedagogy & Practice:
Engineering Design,
Establishing a Culture of Science
NGSS Science and Engineering Practices:
2: Developing and Using Models,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence
Author:
Leah Gorman
Relevant NGSS PE:
4-PS3-2,
4-PS3-4
Other Subjects Covered:
ELA: Writing,
Math: Graphing & Representation,
Math: Measurement
Estimated Activity Length:
3 hours
Car Charger Schematic

DC to AC to DC Efficiency

Grades:
7-12
Unit:
Off the Grid
Lesson Number:
5
Description:

This is part of the Off the Grid Unit. This lesson will continue to deal with efficiency of USB charging devices, but this time we will be using an inverter in order to create AC voltage from a battery pack, and then use a standard AC charger (what you...

Energy Content:
Circuitry,
Electrical Energy
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-
More Details Less Details
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. 6. Students will know what an inverter is and what it does.
Pedagogy & Practice:
Hands-on Materials
NGSS Science and Engineering Practices:
2: Developing and Using Models,
3: Planning and Carrying Out Investigations,
4: Analyzing and Interpreting Data,
5: Using Mathematics and Computational Thinking,
6: Constructing Explanations and Designing Solutions,
7: Engaging in Argument from Evidence,
8: Obtaining, Evaluating, and Communicating Information
Author:
Brett McFarland
Relevant NGSS PE:
HS-PS3-1
Other Subjects Covered:
Math: Measurement
Estimated Activity Length:
3 hours

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