SODIS_UV Treament

Solar and SODIS: Creating Clean Water for the World

Grades:
5-8
Description:

According to Nobel Laureate Richard Smalley, the number one and two challenges for humanity are energy and clean water. This classroom activity will introduce students to a low cost, renewable technique that connects these two issues. During the activity,...

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Learning Goal(s):
Students will be introduced to the range of microbes in the environment, understand the risks of “dirty water” and be able to explain how energy from the sun can purify water through the SODIS technique.
Author:
Jamie Repasky
Estimated Activity Length:
1 hour
Solar Updraft Tower

Solar Updraft Towers Unit Overview

Grades:
3-8
Description:

Students will combine research, direct observations, and hands-on investigation to lead them into an engineering design project involving the construction of a solar updraft tower. During this process, students will make references to specific phenomena...

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Learning Goal(s):
Students will understand ten renewable and non-renewable energy sources on the earth.Students will learn the locations of different energy sources on the earth.Students will learn the history of energy sources and how humans have used them.Students will learn about innovations and inventions used to find, recover, store, and release energy for human consumption.Students will understand that hot air risesStudents will understand why hot water and hot air rise and cold air and cold water sink.Students will learn that wind is produced by warm air rising and cold air sinking.Students will learn that the energy of moving hot air can be converted into other forms of energy.Students will understand that energy from the sun can be converted into heat.Students will discuss the effects of the chimney stack phenomenon.Students will understand that wind energy can be converted into other forms of energy.Students will determine different methods to increase the effectiveness of a wind turbine blade by harnessing and converting the mechanical energy of the wind.Students will determine that thermal energy resulting from the sun’s radiation can create an updraft that will power a turbine to spin.                                       Students will identify characteristics of turbine design that improve the success of their device.Students will utilize content from previous phenomena they investigated, such as the chimney stack effect and Norwegian candle toys, to determine how to best harness the energy transformed by their device from the sun.Students will be able to define and explain what a solar updraft tower is.Students will make connections between their previous engineering challenge and a real world solution to the world’s growing energy demands.
Author:
Lisa Morgan
Estimated Activity Length:
10 hours
Solar Circuit

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

Grades:
6-12
Description:

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...

Energy Content:
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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.
Author:
Emily Barrett
Estimated Activity Length:
1 hour
Electric Current Induction

Wave Attenuator Unit Overview

Grades:
6-12
Description:

Through a series of learning experiences, students will experiment with the basic concepts of motion to electrical energy transformation. Students start by building a series of models that demonstrate the interactions between magnetic and electric fields....

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Learning Goal(s):
1. Students will demonstrate energy transfer through space using electromagnetic phenomena. 2. Students will design a model that demonstrates that a current-carrying wire can induce magnetism. 3. Students will define and build an electromagnet. 4. Students will demonstrate electromagnetic induction. 5. Students will describe and model the energy transfer and transformation in a wave attenuator. 6. Students will build a wave attenuator using a diagram and selected materials. 7. Students will test the model wave attenuator they built. 8. Students will investigate variables that may affect the output of an energy conversion device (wave attenuator). 9. Students will interpret data to identify which variables increase electrical output for these model wave attenuators. 10. Students will communicate results from scientific inquiry to identify factors that are important to optimizing the design of a wave attenuator.
Author:
Tabatha Roderick
Estimated Activity Length:
10 hours

Adrift in a Sea of Plastic Unit Plan

Grades:
5-8
Description:

In this unit students will investigate the phenomena of plastic trash islands floating in the Pacific and Atlantic Oceans. The students will work to solve the problem of plastic trash islands through the engineering and design process. Using 3D printers,...

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Learning Goal(s):
·       Students will design 3D models using Tinkercad software.·       Students will define the problem of plastic trash islands.·       Students will describe possible solutions to the problem of plastic trash islands.·       Students will research the plastic trash problem and create google slideshows the problem and how we might fix it.·       Students will investigate different ways to build structures that both float and hold weight.·       Students will build a model of a device that could collect plastic from the ocean.·       Students will test the models they build.·       Students will communicate their results from scientific inquiry to identify factors that are important to optimizing the design of the plastic collecting device.
Author:
Jonathan Strunin
Estimated Activity Length:
10 hours

Keeping it Cool With Solar Unit Plan

Grades:
K-2
Description:

Keeping It Cool With Solar unit asks the question: “How might we design a structure that will keep us cool on a hot day?” As an anchoring phenomenon, students will be shown a time-lapse video of an ice cube melting, and a second phenomenon of a solar...

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Learning Goal(s):
Students will make observations to determine the effect of sunlight on Earth’s surface. Students will plan and conduct investigations to determine whether structures made with various materials will keep objects cool when placed in a beam of light. Students will analyze data from tests of two objects designed to solve the same problem in order to compare the strengths and weaknesses of how each performs. Students will analyze data obtained from testing different materials to determine which materials have the properties that are best suited for keeping an object cool. Students will test if solar panels and solar energy can help cool down their structure.
Author:
Mark Lewin
Relevant NGSS PE:
Other Subjects Covered:
Estimated Activity Length:
4 hours
Arduino Angler Design

Illuminate Me: Merging Conductive Sewing, Technology, and Solar Power

Grades:
7-12
Description:

Light up your clothing using solar power! For this unit, students will attach thin, flexible solar modules to a bike helmet and recharge NiMH rechargeable batteries for a renewable energy battery pack. The rechargeable batteries will be used to light up...

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Learning Goal(s):
1. Students will design and sew a wearable circuit using conductive thread. 2. Students will program a wearable microcontroller to light up garment with bright LEDs. 3. Students will incorporate solar power into a wearable garment project by recharging NiMH batteries for a renewable energy battery pack. 4. Students will apply knowledge of circuitry and energy transfer to maximize design.
Author:
Kristy Schneider
Estimated Activity Length:
10 hours
Solar Mini House

Mini Solar Houses Unit

Grades:
4-6
Description:

In Lesson 1, the lesson focuses on understanding how the angle and orientation affect the amount of energy that is generated through use of a solar cell. Paper azimuth finders, Keva Planks, and multimeters will be used in order for students to draw...

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Learning Goal(s):
1. Students will understand how to use an Azimuth finder to determine the direction and altitude that solar modules will face. 2. Students will learn how to describe why a solar module is pitched at a particular angle. 3. Students will understand how to measure the voltage and current for an electrical energy source. 4. Students will learn how to build a circuit that will light a light bulb with a switch and without a switch. 5. Students will understand that the electricity flows through a circuit from an energy source to a load. 6. Students will understand the difference between open and closed circuits. 7. Students will understand the similarities and differences between solar cells and batteries as an energy source. 8. Students will understand how electricity flows through a circuit (from energy sources to loads) with more than one source and more than one load. 9. Students will understand how to build series and parallel circuit and the characteristics of each. 10. Students will learn to power both a light and a fan. 11. Students will learn how to find a fault in a circuit. 12. Students will understand that the electricity flows through a circuit from an energy source to a load. 13. Students will understand the difference between open and closed circuits. 14. Students will identify the causes and solutions to various complications that arise in the construction of circuits. 15. Students will use the design process to create a roof to hold an adequate number of solar modules to power an LED and a fan. 16. Students will understand how to make a geometric net (a 2D drawing that when folded creates a 3D shape) for designing a roof.
Author:
Beverly Satterwhite
Estimated Activity Length:
8 hours

Cost Effective Solar Cells Unit Plan

Grades:
9-12
Description:

Through a series of solar panel and solar cell construction activities, students will learn the basic principles of energy conversion from light energy to chemical & electrical energy. Students will assemble and test pre-constructed solar panels to...

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Learning Goal(s):
Students will discuss social, cultural, and economic implications of sustainable solar energy.Students will construct and test solar panel arrays to power LED lights, fan motors, and music playersStudents will review circuitry basics and solar cell layersStudents will analyze and share out power generation results with classmatesStudents will construct and test an oxidized copper sheet solar cellStudents will share and analyze oxidized copper sheet solar cell dataStudents will construct and test titanium dioxide coated “raspberry juice” solar cellsStudents will collect and analyze titanium dioxide coated “raspberry juice” solar cell data.Students will discuss results and draw conclusions about variables that may affect power generationStudents will visit a solar cell or silicon manufacturing facility and/or engage with guest speakers. Students will learn more detailed solar cell principles and manufacturing techniques involved in solar cell constructionStudents will research chemicals, materials and procedures for their own solar cell designsStudents will build and present models of their proposed solar cellsStudents will construct and test unique solar cellsStudents will present construction progress and project obstaclesStudents will format solar cell data, draw conclusions, and construct an engineering report as a research poster
Author:
Tom Wolverton
Estimated Activity Length:
10 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...

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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
Estimated Activity Length:
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