Search found 167 matches

by shawn
Mon Dec 18, 2023 3:21 pm
Forum: Introductions
Topic: Shawn Reeves, physics teacher
Replies: 2
Views: 21060

Director, High School Physics Photo Contest

From 2023-2025, I am directing the High School Physics Photo Contest at American Association of Physics Teachers.
https://aapt.org/Programs/PhotoContest/index.cfm
by shawn
Tue Dec 12, 2023 4:42 pm
Forum: Introductions
Topic: Hello, This is Tom Wlazlak aka EttCM
Replies: 1
Views: 698

Re: EttCM - Energy to torque Conversion Motor ( systems )

As a physics teacher, and grader of thousands of lab reports, I can't accept this. Would you like to revise this report so it has clear procedures and observations, not just obscure analysis? Also, clear grammar will help you express what you mean to express. Perhaps a co-author can help with the ex...
by shawn
Fri Apr 14, 2023 4:25 pm
Forum: About these forums
Topic: Frequently Asked Questions about ETO
Replies: 2
Views: 14526

Re: Frequently Asked Questions about ETO

How does ETO serve teachers? We have a library of thousands of books, journals, pieces of curriculum materials, and equipment at our lab. Local educators visit, learn, and develop plans. We visit schools to consult with teachers to create and improve lessons about energy and electronics. We review ...
by shawn
Tue Mar 14, 2023 12:49 pm
Forum: Solar Cooking
Topic: Geogebra ray tracing
Replies: 0
Views: 3730

Geogebra ray tracing

Using the free online tool GeoGebra I created a manipulative graph of parallel rays reflecting from panels toward a target. Students can move panels to see how orientation affects the concentration of sunlight onto a target vessel.
https://www.geogebra.org/calculator/sktukbe9
by shawn
Sat Mar 11, 2023 10:20 am
Forum: Solar Cooking
Topic: Videos for learning about solar cookers
Replies: 4
Views: 1383

Videos for learning about solar cookers in Chinese languages

From Sabah Chinese High School in Tawau Malaysia, this demonstration and explanation about building and using a solar cooker: https://youtu.be/77vReSBjlyU
by shawn
Sat Mar 11, 2023 9:57 am
Forum: Solar Cooking
Topic: Videos for learning about solar cookers
Replies: 4
Views: 1383

Videos for learning about solar cookers in Spanish

Cooking with a huge homemade solar oven in Mexico, including a discussion of trapping light with a dark bottom plate: https://youtu.be/TW1V0KtUaeQ A comprehensive introduction to solar cookers, with scientific, engineering, and culinary concepts: https://youtu.be/eMvkjc7dQ30 Como Construir un Horno ...
by shawn
Sat Mar 11, 2023 9:42 am
Forum: Solar Cooking
Topic: Videos for learning about solar cookers
Replies: 4
Views: 1383

Stories in arabic and related languages

Al Jazeera story from their series, Stories of the Simple: Abu Jamil, a displaced Syrian from the northern countryside of Idlib, managed to make a cooking device in the sun using simple tools: https://www.youtube.com/watch?v=5T9ctk-T73k Orient TV story on cooking independent of fossil fuels in Syria...
by shawn
Fri Mar 10, 2023 9:32 pm
Forum: Solar Cooking
Topic: Videos for learning about solar cookers
Replies: 4
Views: 1383

Videos for learning about solar cookers

Please reply with videos in any language that helps students understand scientific, engineering, and culinary concepts about solar cooking.
by shawn
Wed Jan 04, 2023 11:39 am
Forum: Solar Cooking
Topic: Solar cooking as a learning project in a physics course
Replies: 0
Views: 3403

Solar cooking as a learning project in a physics course

Materials What do we need to learn using solar cookers? Materials for the cookers, cooking vessels, meters, safety equipment: Reflective material: Mirrors, aluminized mylar, aluminum foil, reflective tape, polished metal... Shaped reflector panels, if the reflective material doesn't already have st...
by shawn
Sun May 17, 2020 2:34 pm
Forum: Equipment
Topic: Infrared (IR) (thermal) cameras, how to use for education and profit
Replies: 0
Views: 13762

Infrared (IR) (thermal) cameras, how to use for education and profit

A quick guide to using and teaching about infrared cameras. WindowsAndPaperCranes.jpg The photographer facing "clear" glass will get a self-portrait. This shows how taking an IR picture of glass does not show much about the glass, it shows a reflection of something usually irrelevant to a...
by shawn
Mon Feb 17, 2020 2:01 pm
Forum: Field Trips
Topic: Monitoring solar power plants at field trip sites
Replies: 1
Views: 11783

Walden Pond Visitor Center, Massachusetts, USA, PV monitoring

Here's where you can see data since 2016 for the photovoltaic production at Walden Pond Visitor Center in Concord, Massachusetts. As of 2020, the system is 105kW, with eight inverters. https://monitoringpublic.solaredge.com/solaredge-web/p/site/public?name=Walden%20Pond%20Visitor%20Center&locale...
by shawn
Sat Feb 15, 2020 6:06 pm
Forum: Field Trips
Topic: Monitoring solar power plants at field trip sites
Replies: 1
Views: 11783

Monitoring solar power plants at field trip sites

Before and after visiting a field trip site, or even just for a virtual field trip, students can see how photovoltaic systems at the site are producing electricity. For some sites, users can see animations of the production of each module each 15 minutes, so they can watch shadows proceed over the m...
by shawn
Fri Jan 17, 2020 2:06 pm
Forum: Field Trips
Topic: Homeschool huge list of field trips
Replies: 0
Views: 10356

Homeschool huge list of field trips

Here's a huge list of field trip ideas for states and provinces:
https://www.homeschoolbuyersco-op.org/field-trips/
by shawn
Sat Apr 13, 2019 7:07 pm
Forum: Electronics
Topic: Circuit Lab, a camp in New England
Replies: 0
Views: 17703

Circuit Lab, a camp in New England

https://www.circuit-lab.com Circuit Lab offers dozens of after school and summer camp programs for ages 6-14. Circuit Lab can also take circuit curriculum to schools. Experienced circuits-educators should note that they often need to hire lead and assistant instructors for these programs. They have...