Solar Mobile

Solar Mobile Design Challenge - Construction

Grades:
6-8
Lesson Number:
5
Description:
This is the culminating hands-on project for the Solar Mobile Design Challenge Lessons, with construction aligned to an engineering design process. Students start by Restating the Design Problem that was introduced to them in the beginning of the Unit. Next,...
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Learning Goal(s):
Students brainstorm ideas and share with their group.Students draw and label Solar Mobile designs in Engineering Notebooks. Students research an aircraft to trace (if this was not accomplished in the Center of Gravity lesson) and trace the aircraft outline onto foam board. Students construct a solar circuit to power motors and propellers on a foam board aircraft and test multiple times before adding to the solar mobile stand. Students construct solar mobile stand and add their aircraft to a dowel attached to the central hub. Students work with a partner to balance each aircraft onto the mobile. Students test the mobile speed outside (depending on weather) and compare to speed under indoor light stands. After initial testing, students redesign circuits or mobile construction to optimize design. Students use hand-held devices to film their moving Mobiles to judge the machine’s speed. Students demonstrate how their Solar Mobile works and justify in writing why their mobile should be chosen for the Children’s Technology Museum. 
Author:
Kristy Schneider
Other Subjects Covered:
Estimated Activity Length:
6 hours
Solar Mobile

Solar Mobile Design Challenge Unit Plan

Grades:
6-8
Description:
This unit involves students learning about transferring solar energy to small motors, exploring the center of gravity and testing light sources (including the sun). The culminating engineering design project gives students the chance to pull together their...
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Learning Goal(s):
Students will design circuits using various solar panels in order to power motors with propellers. Students will learn about solar energy transfer in order to power the motors on their solar aircraft.Students will research an aircraft and draw an outline of the aircraft onto foam board. Students will explore the concept of center of gravity. Students will test the efficiency of various light sources (incandescent, fluorescent, LED, halogen) for usage by a PV cell.Students will use their prior testing results and knowledge to engineer a solar-powered mobile. Students will work to transfer the most energy from the solar panels considering all the tested variables in order to power the fastest, most efficient mobile.Students will demonstrate and explain why their solar mobile should be chosen for the solar mobile display in the children’s museum. 
Author:
Kristy Schneider
Relevant NGSS PE:
Other Subjects Covered:
Estimated Activity Length:
0 sec
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 previous...
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Design a 50 Year Energy Plan

Diving into the Physics of Motors and Generators

Grades:
9-12
Lesson Number:
2
Description:
Using energy analysis and some tinkering students hand wind speakers to play music from a phone. This acts as a phenomenon to engage students in the exploration of electromagnetism. At this point, they have created a motor, which utilizes electric current to...
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Learning Goal(s):
1. Through hands-on exploration, create a working speaker for a cellphone. 2. Use the creation of a speaker to observe as a model for the process of generating electrical current in a simple generator/motor. 
Author:
Bradford Hill
Relevant NGSS PE:
Estimated Activity Length:
5 hours
Design a 50 Year Energy Plan

Introducing Power Production and Impacts of Climate Change

Grades:
9-12
Lesson Number:
1
Description:
In the first part of this activity, students participate in a role play activity – understanding the needs of different people living and working around the world. Each character express their unique perspective on climate change and impacts to their...
Energy Content:
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Learning Goal(s):
1. Explore the causes and effects of climate change as related to energy production.2. Develop a working understanding of varying stakeholder perspectives on the causes and effects of climate change. 
Author:
Bradford Hill
Relevant NGSS PE:
Estimated Activity Length:
3 hours
Solar Cell Manufacture

Research and Evaluate the Impact on the Environment and Society of Converting Natural Resources into PV Cells

Grades:
7-8
Lesson Number:
4
Description:
Students will engage in guided research to explore resource acquisition, material processing, and electricity generation associated with photovoltaic cells. Opportunity for differentiation exists in the level of assistance in guiding the research, the...
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Learning Goal(s):
1. Students will evaluate information to describe the impact on society from resource extraction and materials-processing for PV cells.2. Students will communicate their understandings of different impacts from converting natural resources into PV cells through participation in a Socratic Seminar. 
Author:
Melody Childers
Estimated Activity Length:
6 hours
Hot Pack

Unit Plan - Chemical Differences in Emergency Energy Sources

Grades:
7-8
Description:
Students develop atomic and molecular models of energy resources, analyze combustion of various fuels and build circuits with Photovolatic (PV) modules to evaluate and suggest revisions to a disaster preparedness supply list. They then research and evaluate...
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Learning Goal(s):
To build empathy for people in emergency situations and an understanding of how access to energy resources can increase one’s safety, health, and comfort. To understand the nature of a variety of energy needs and how different applications have different optimal solutions. To develop models to explain the molecular and extended structures of energy resources, including how the resources change when energy is generated (Electron movement in PV cells, combustion reactions in fuel). To understand that the properties of substances depends upon the atomic / molecular structure, which changes with chemical reactions. To build a circuit that includes a solar module and measure the voltage and current. To gather and evaluate information to describe the impact on society of converting natural resources into PV cells. To design, build and test a device that uses a chemical reaction to generate or absorb thermal energy. Evaluate and revise a plan for the energy resources one should store to prepare for a natural disaster. 
Author:
Melody Childers
Estimated Activity Length:
0 sec
Sphero SPRK+

Solar SPRK+: Final Challenge and Presentation

Grades:
6-8
Unit:
Lesson Number:
6
Description:
In this lesson, students will navigate through a maze using their SPRK+ in order to reach the solar charging station. Students will redesign their chariot in order to meet the needs of this new maze in order to carry their solar panels to the charging station...
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Learning Goal(s):
Students will combine SPRK+ programming with the construction of a compatible chariot in order to guide their SPRK+ “Mars rover” to carry solar panels to a charging station.Students will present a final project to the class that summarizes their knowledge about the scientific background knowledge tied to this project as well as their design and testing process.
Author:
Deb Frankel
Relevant NGSS PE:
Estimated Activity Length:
8 hours
Sphero SPRK+

Solar SPRK: Mars Exploration Debate

Grades:
6-8
Unit:
Lesson Number:
3
Description:
Students will research and then debate about the value of Mars exploration through robotic and/or human missions using a debate structure.
Energy Content:
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Learning Goal(s):
Students will identify high quality scientific information through research that represents multiple sides of an argument.Students will communicate a pre-determined side of an argument verbally, using evidence to support their claims.
Author:
Deb Frankel
Relevant NGSS PE:
Estimated Activity Length:
2 hours
Sphero SPRK+

Solar SPRK+ Unit Overview

Grades:
6-8
Unit:
Description:
This unit incorporates basic programming knowledge and solar energy into an engineering design challenge using Sphero SPRK+ robots. The theme for this challenge centers on the idea of Mars rovers, and the challenges faced in space exploration, specifically...
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Learning Goal(s):
Students will develop tools to use in the Engineering Design Process.Students will learn drag and drop programming with Sphero Edu (formerly Lightning Lab).Students will determine how series and parallel circuits affect voltage and current.Students will understand how to use photovoltaic sources to charge a SPRK+.Students will design a chariot to carry a photovoltaic power source for a SPRK+.Students will learn to program a SPRK+ ball and chariot through a maze.
Author:
Deb Frankel
Relevant NGSS PE:
Estimated Activity Length:
10 hours

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