Sphero SPRK+

Solar SPRK+ Electricity Fundamentals and Photovoltaics

Grades:
6-8
Learning Goal(s):
Students will determine how to create various types of circuits in order to power loads with different electric needs.Students will identify the electric needs of a Sphero charger and build a circuit needed to charge this device.
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Unit:
Lesson Number:
4
Author:
Deb Frankel
Relevant NGSS PE:
Other Subjects Covered:
Estimated Activity Length:
1 hour
Sphero SPRK+

Solar SPRK+ Unit Overview

Grades:
6-8
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.
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Solar Updraft Tower

Solar Updraft Towers Unit Overview

Grades:
3-8
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.
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Electric Current Induction

Wave Attenuator Unit Overview

Grades:
6-12
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.
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Wave Attenuator

Building a Tidal Wave Attenuator

Grades:
6-12
Learning Goal(s):
1. Students will describe and model the energy transfer and transformation in a wave attenuator. 2. Students will build a wave attenuator using a diagram and selected materials. 3. Students will test the model wave attenuator they built.
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Lesson Number:
2
Author:
Tabatha Roderick
Other Subjects Covered:
Estimated Activity Length:
2 hours
Electric Current Induction

Introduction to Electromagnetism

Grades:
6-12
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.
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Solar Charger Diagram

Designing a Solar Charger

Grades:
10-12
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.
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Car Charger Schematic

Designing a Solar Phone Charger

Grades:
7-12
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.
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Car Charger Schematic

DC to AC to DC Efficiency

Grades:
7-12
Energy Content:
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.
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Car Charger Schematic

Exploring Buck and Boost Converters

Grades:
7-12
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.
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