## Unit Plan

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.

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

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

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.

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 good introduction to understanding the relationship between fundamental electricity... View full description >>

## Using Multiple Solar Modules (Lesson 5)

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.

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 their ideas. This lesson may be used with minor modifications to fulfill Oregon’s Science... View full description >>

## Variables Affecting Solar Power (Lesson 6)

• Students will be able to identify and explain at least three variables that effect the efficiency of photovoltaic cells

• Students will conduct a scientific investigation to determine which photovoltaic cell configuration will generate the most power.

Students have experimented with different turbine variables to see how the amount of electrical power is affected. After each team completes testing their chosen variable, the highest wind turbine

## Variables Affecting Wind Turbine Power (Lesson 5)

• 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

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

## Wave Attenuator Lesson 1: Introduction to Electromagnetism

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.

Through a series of goal-oriented activities and research, students will build physical models that demonstrate the interactions between magnetism and magnetic fields as well as interactions between magnetism and electric fields. Students will be challenged to engineer devices that: change a magnetic field using electricity, creating a magnet... View full description >>

## Wave Attenuator Lesson 2: Building a Tidal Wave Attenuator

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.

This lesson is designed to build upon investigations of electromagnetic energy by applying these phenomena to transfer the kinetic energy moving in waves to electricity by building a wave attenuator. View full description >>

## Wave Attenuator Lesson 3: Testing a Tidal Wave Attenuator

1. Students will investigate variables that may affect the output of an energy conversion device (wave attenuator).

2. Students will interpret data to identify which variables increase electrical output for these model wave attenuators.

3. Students will communicate results from scientific inquiry to identify factors that are important to optimizing the design of a wave attenuator.

Students will test the efficiency of the tidal wave attenuator models that they previously built. They will determine variables on their models they can manipulate, such as wire gauge and magnet strength, and measure the effects of manipulating this variable on the success of their design. They will report their findings in a presentation to... View full description >>

## Wave Attenuator Unit Overview

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.

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. Students then apply this background knowledge to convert ocean wave power into electricity... View full description >>

## What is Energy Transfer? (Lesson 2)

Students will obtain the foundational knowledge of energy sources and forms of energy. In addition, students will learn that energy can transfer from one form to another. Students will be able to match images of energy transformations to their respected vocabulary.

Students will continue to build an understanding of the fundamentals of energy through observing and describing a variety of energy transformations and build on their foundational vocabulary for identifying