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Feedback Blog

Each day readers send in questions and feedback concerning the various lessons in the School for Champions website. A total of 15863 letters have been answered. They are listed according to date.

You can read them to further your understanding of the subjects.



List of next 15 letters

Title

Subject

Section

Country

Reflecting sound from concrete wall Physics Sound India
 
Gaining knowledge in Buddhism Character USA
 
Wants us to remove information History USA
 
Would the Gravity book be helpful? Physics Gravity USA
 
We wanted to say thanks! Thanks Animal Health USA
 
What if matter did not change its state? Physics Matter Pakistan
 
Hearing high frequency pitches Health USA
 
Good information Thanks Using Calculator USA
 
Is pressure distributed on a bench? Physics Force USA
 
Great stuff Thanks Writing USA
 
Permission to use images Physics Matter USA
 
Thanks for this opportunity Thanks Nigeria
 
Where are the attractive forces equal? Physics Gravitation USA
 
Using 120V on equipment requiring 220V Electricity Estonia
 
A giant thank you Thanks InDesign USA
 

Next 15 letters

 




First 15 letters


Reflecting sound from concrete wall

Physics

September 3, 2017

Question

what frequency can a concrete or a stone reflect back.

Kapil - India (28210)

Answer

Within the range of human hearing (20 Hz - 20,000 Hz), the higher frequencies are reflected much better than the lower frequencies. Of course, much depends on how smooth the concrete surface is.

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Gaining knowledge in Buddhism

Character

September 3, 2017

Question

I am interested in gaining knowledge in Buddhism
With good character knowledge

Dermot - USA (28211)

Answer

I plan to add material on how Buddhism encourages good character. But also, I will be adding material explaining Buddhism in our Religions section. See Noble Eightfold Path in Buddhism for some information.

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Wants us to remove information

History

September 1, 2017

Question

I am a high school librarian. I am planning to do a We Didn't Start the Fire unit with my AP United States History students. They will each have a line of the lyrics to research. They will each create PowerPoint slides for each historical event, person, or thing named. It will all be compiled into one huge PowerPoint. Students will present their slides to the class. I am very excited about doing this with them. I would like to respectfully ask if you could possibly take this info down. I don't want my students to just copy from your site.
michelle_hakanson@opsb.us

Michelle - USA (28206)

Answer

It is a good project for your students to study the various historical events.

However, asking us to remove information from our website is out of line. What about the many other resources on the Internet? Should they also be removed?

A better lesson is to teach the students to avoid plagiarism and to cite their resources.

Best wishes for success in your class.

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Would the Gravity book be helpful?

Physics

September 1, 2017

Question

Hi, I will be working on a physics project this fall semester and was wondering if your book would be helpful in assisting with the project and/or project ideas.

Thank you,

Ashley - USA (28207)

Answer

The advantage of the book is that everything is in one place, such that it is easier to navigate. However, all the material on Gravity and Gravitation is on the website. You can pick and choose what you want to see.

Best wishes for success in your Physics project.

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We wanted to say thanks!

Thanks

August 28, 2017

Question

Good Afternoon :)

I'm Katie Vogel, a full time mom and tutor during the summer. I'm reaching out to you because my daughter Peyton is a girl scout and is trying heard to earn her volunteer badge this summer. She's been volunteering at a local animal shelter and helping with some of the pamphlets and adoption events. A lot of it is informational, so she had to do her research. She found your page, http://www.school-for-champions.com/animalhealth/resources.htm . She really enjoyed it - thank you so much for that!

In return, she wanted to share with you this article http://dentalassociatesnova.com/guide-to-dental-health-for-your-pets/ . It's all about dental health for you pets. This was perfect for us since we didn't know too much about it! She was thinking it would make a great addition to your page, what do you think?

Whether you add it or not - we wanted to say thanks! We learned a lot of great things after reading the resources on your page. If you do decide to add it, please let me know. Peyton would be so excited and would show her fellow scouts too!

Thanks!
Katie

Katie - USA (28201)

Answer

I'm glad Peyton found the resources page useful to her. There are also a number of Animal Health articles shown on the side menu.

Thanks to Peyton for the Dental Health for Pets resource. I added the link to the Animal Health Resources page and plan to add some material on dental care for pets. Many overlook that situation.

Best wishes in getting the Volunteer Badge. I'm sure she will succeed.

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What if matter did not change its state?

Physics

August 25, 2017

Question

Explain that what happened if there would be no change in states of matter?

Thanks

Aamish - Pakistan (28197)

Answer

If all matter stayed in its existing state or phase, ice would not melt to become water, and water could not boil into steam. Also, there would be no evaporation of water. Just these factors alone would affect living beings in a short time.

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Hearing high frequency pitches

Health

August 25, 2017

Question

Hello,

WHAT COULD BE PUT IN A HUMANS BODY THAT WEEKS MAKE THEN HEAR HI PITCH FREQUENCY'S FEEL IT AND DESTROY THEIR TEETH RAISE INTERNAL BODY TEMPERATURE TO DEADLY TEMPS AND CAUSE HEART CRAMPING TORTURE TERRORISM ACTS ON A MULTIPLE DISABLED WOMAN THAT CAN BE ACTIVATED BY FLYING DRONES OR TELEPHONE?
MEDTRONIC, PACEMAKER, I HAVE A DEAD BATTERY MEDTRONIC SPINAL CORD RIGHT LEG NERVE DAMAGE SIMULATOR AND IT'S REMOVING IDENTIFYING MARKERS FINGER, YOUR PRINTS TEETH.

Tina - USA (28198)

Answer

Some people are sensitive to high frequency electrical signals, such as come from high power electrical lines. Also, a defective microwave oven can emit electrical signals that affect some people.

For people with older metallic filling in their teeth, high frequency electrical signals can even heat of the fillings. It is good to check with your dentist on this issue.

Such sensitivity can cause anxiety attacks, as well as other symptoms. If you have some device like a pacemaker, you should make sure it is not defective and causing you some problems. It is good to check with your doctor to make sure devices working properly.

I hope this helps you solve your problems. Best wishes for good health.

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Good information

Thanks

August 20, 2017

Question

I never knew how to use a calculator other than the basic + - * % =. I wanted to learn and came across your page. The way you explain/teach is so easy to understand and doesn't present with a bunch of hogwash like other things I came across when online. I am going to also explore the other topics you have available. So, I'd just like to say thank you.

pamella - USA (28193)

Answer

I'm glad the material was useful to you. Best wishes for success in learning new things.

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Is pressure distributed on a bench?

Physics

August 15, 2017

Question

This article of you on pressure helped me greatly. But I still have some confusions. Such as-

If we apply force with the surface of our hand on a big bench then will the force be distributed throughout the whole area of the bench or it will just act on the portion of the bench equal to the area of our hand?

Dise - USA (28183)

Answer

The pressure on the bench will be just on the area where you push with your hand. Think of how a pillow will compress where you push your hand on it.

However, the force you apply can move the whole bench.

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Great stuff

Thanks

August 15, 2017

Question

Hello Ron,

I stumbled upon your site and found the infographic you shared: "16 Boring Words & What to Use Instead".

Great stuff! I also really liked it. Thank you for sharing.

Donna - USA (28184)

Answer

I'm glad you liked the material.

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Permission to use images

Physics

August 14, 2017

Question

I would like to use the phase diagram figures that you have on this page: http://www.school-for-champions.com/science/matter_states_pressure.htm

in an article that I am writing for the Health Physics Society. I understand that I need permission to use the figures. Is that possible that I could have permission to use your figures?

Thanks so much,

Linda - USA (28181)

Answer

Yes, you have permission to use the diagrams provided you cite the source.

Best wished for success in your article. Let me know when it is published.

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Thanks for this opportunity

Thanks

August 10, 2017

Question

Thanks for this opportunity

AGWOKO - Nigeria (28169)

Answer

I wish you success in your endeavors. I am sure you will be a champion.

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Where are the attractive forces equal?

Physics

August 5, 2017

Question

At what distance from the earth should an object lie between the earth and the sun such that the attractive force of the earth on it is equal the attractive force the sun on it , given that the distance between the earth and sun is 150million Km and the mass of the sun =3.24mass of earthh

- USA (28163)

Answer

The point where the attractive forces are equal is at the center of mass (CM) between the Earth and the Sun. See CM between two spheres for the equation.

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Using 120V on equipment requiring 220V

Electricity

July 30, 2017

Question

What happens if i use equipment thats require 220V 50Hz and i plug in it 120V 60Hz

Tanel - Estonia (28151)

Answer

If you try to use 120V on equipment that requires 220V, the equipment will probably not work at all or may work very poorly. A 50Hz device might run faster on 60Hz, but the main factor is the voltage.

Basically, it probably won't work at all.

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A giant thank you

Thanks

July 28, 2017

Question

Just a giant thank you for simplifying how to create a 3-D book cover. I taught myself graphic design so I'm very glad to have found your website.

Kira - USA (28150)

Answer

I'm glad the material was useful to you. Best wishes for success in your writing.

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