Kill-A-Watt_Meter

How much energy do YOU use?

Grades:
7-8
Lesson Number:
3
Description:

Students will learn the difference between energy and power. They will then use this new understanding to compare the energy and power difference of light bulbs (incandescent, halogen, fluorescent, and LED) using a tool called a “Kill-A-Watt” meter....

+
-
More Details Less Details
Learning Goal(s):
Students will be able to: • Explain the difference between power and energy • Proficiently use a “Kill-A-Watt” meter to determine the power and total energy usage of everyday devices • Compare the total energy used by common household devices • Brainstorm different ways we can conserve electrical energy
Author:
Craig Marais
Relevant NGSS PE:
Estimated Activity Length:
0 sec
Basic Stamp Microprocessor

Creating a Light-Tracking Servo

Grades:
9-12
Lesson Number:
3
Description:

Students will learn how to program the Basic Stamp to use information from two photoresistors to point a servo at a light source. This will be the first degree of freedom for the flower head.

+
-
More Details Less Details
Learning Goal(s):
Students will synthesize the previous lesson for light metering and servo control to design a servo controlled by two photoresistors that will track a light source.
Author:
Pat Blount
Other Subjects Covered:
Estimated Activity Length:
1 hour

Creating the Most Effective Solar Heater

Grades:
6-8
Lesson Number:
3
Description:

This part can be staged as a competition or simply a personal challenge to beat the standard solar heater created in part 1. During this stage of the lesson students are asked to analyze data and results from part 2 and identify which characteristics of a...

+
-
More Details Less Details
Design a 50 Year Energy Plan

Scaling up to Power Production: Let’s Engineer a Wind Turbine

Grades:
9-12
Lesson Number:
3
Description:

After working through Lessons 1 and 2 of this Unit, students are now familiar with the physics of how generators work. The next step in Lesson 3 is to investigate how existing power generation systems operate and supply electricity to entire geographic...

+
-
More Details Less Details
Learning Goal(s):
1. Design, build, and refine a wind turbine in order to effectively and efficiently convert motion into mechanical energy and then into electrical energy 
Author:
Bradford Hill
Relevant NGSS PE:
Estimated Activity Length:
5 hours
Solar Rooftop

Solar Pathfinder Tutorial

Grades:
9-12
Lesson Number:
3
Description:

This lesson is designed to allow the students to practice assembling and using their Solar Pathfinders, along with analyzing the data. The students will take a single measurement and digital photograph at a location near the classroom designated by the...

Energy Content:
+
-
More Details Less Details
Learning Goal(s):
Students will be able to properly assemble and orient their solar pathfinder. Students will be able to properly record the information provided by a solar pathfinder. Students will be able to accurately analyze the information provided by the solar pathfinder to calculate the solar potential (kWh/m2/day) taking into account variables such as shading, climate and weather.
Author:
Clayton Hudiburg
Relevant NGSS PE:
Estimated Activity Length:
50 min
Solar Charger Diagram

Can Portable PV Charge Vehicles?

Grades:
10-12
Lesson Number:
3
Description:

In this lesson, students will begin to explore the potential and challenges related to using photovoltaics to supplement the power needed to charge batteries in BEVs. Students will test a variety of wiring options related to series and parallel wiring....

+
-
More Details Less Details
Learning Goal(s):
Students will explore the role of series and parallel wiring as they pertain to voltage and amperage.Students will explore the processes involved with charging batteries and relate these processes to voltage and amperage.Students will test photovoltaic modules to identify voltage and amperage outputs.Students will calculate, using data from field tests, the maximum power that can be produced using photovoltaics within the constraints of a typical passenger vehicle’s surface area.Students will calculate charging times using various PV array power ratings.
Author:
Clayton Hudiburg
Estimated Activity Length:
2 hours
Car Charger Schematic

Phone Charger Efficiency

Grades:
7-12
Unit:
Lesson Number:
3
Description:

This is part of the Off the Grid Unit. In this lesson students will explore the concept of efficiency , and how to take data in order to calculate the efficiency of various cell phone or USB charging circuits. They will complete this process by using a...

+
-
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:
Author:
Brett McFarland
Relevant NGSS PE:
Estimated Activity Length:
2 hours

Part 1- Lesson 3: Home Energy Audit

Grades:
6-12
Lesson Number:
3
Description:

During this lesson, students will focus on where energy is used within their homes, how energy consumption is calculated, and how energy consumption can be reduced. Students will conduct a home energy audit and determine multiple ways to reduce energy...

+
-
More Details Less Details
Learning Goal(s):
1.Students will identify all ways that energy is consumed within their homes.2.Students will perform an energy audit of their home and calculate the amount of energy used by each electronic device and appliances.3.Students will create a spreadsheet demonstrating the electricity required to operate each electronic device and appliance, along with a summary of finding that clearly identifies how energy consumption can be reduced within their home.4.Students will explore various ways to reduce energy (goal is 30% reduction).5.Students will propose a variety of energy reduction plans and present those options to their families for discussion.6.After discussion with their families, students will itemize the agreed upon plan and identify specific actions that result in quantifiable outcomes that will implemented to reduce energy consumption by their families.
Author:
Jonathan Strunin
Estimated Activity Length:
4 hours

Engineering Clean Energy for Our Community

Grades:
4-5
Lesson Number:
3
Description:

This lesson plan will engage students in a design process to power a motor using a variety of energy sources. Students will compare different clean energy sources to decide which energy source will complete their design goal. Students will experiment with...

+
-
More Details Less Details
Learning Goal(s):
1.Students will define “clean energy” and explain at least 4 types of alternative energy sources2.Students will compare local energy sources and national energy sources to potential energy sources being used or developed.3.Students will experiment with wind energy, solar energy, and hydrogen fuel cell model vehicles to explore alternative fuel sources.4.Students will measure voltage produced and record data in a table format.5.Students will discuss pros and cons of the different types of energy.
Author:
Jonathan Strunin
Estimated Activity Length:
5 hours

Keeping it Cool With Solar: Design Time

Grades:
K-2
Lesson Number:
3
Description:

This lesson is designed for one 30-minute session. Students are shown materials. Students are asked “How might we design a structure that will keep the ground the coolest?” Students design their structures by discussing, collaborating, and drawing....

+
-
More Details Less Details