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Each day readers send in questions and feedback concerning the various lessons in the School for Champions website. A total of 15827 letters have been answered. They are listed according to date.

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



List of most recent 15 letters

Title

Subject

Section

Country

Strategies plants use Competition Micronesia
 
Rubbing polycarbonate and polypropylene Static Electricity USA
 
Rolling friction and area of contact Friction India
 
How to study Grades Nigeria
 
Good resource Thanks Physical Science USA
 
Thinks of things in great depth Senses USA
 
I need a project on physics Physics Nigeria
 
Device using small disc magnet Physics Magnetism Canada
 
Electrostatic induction and rice Physics Static Electricity India
 
Reflecting sound from concrete wall Sound India
 
Gaining knowledge in Buddhism Character USA
 
Wants us to remove information History USA
 
Would the Gravity book be helpful? Gravity USA
 
We wanted to say thanks! Thanks Animal Health USA
 
What if matter did not change its state? Physics Matter Pakistan
 

Next 15 letters

 





Strategies plants use

Competition

September 15, 2017

Question

I need to know the strategies plants use to out compete other plants,such as rapid growth,chemical warfare,growing up over other plants,and shade tolerance.

Pelwin - Micronesia (28237)

Answer

You have listed many of the strategies plants use. See Competition Among Plants for details.

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Rubbing polycarbonate and polypropylene

Static Electricity

September 14, 2017

Question

Will Poly-carbonate and polypropylene create static when rubbed together?

Jason - USA (28236)

Answer

It is possible that some static electrical charges could be produced, however the effect would be minimal.

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Rolling friction and area of contact

Friction

September 11, 2017

Question

Is rolling friction depend upon area of contact
How to prove that if yes or no with an
Explanation

Rohan - India (28226)

Answer

The coefficient of rolling friction, ?r, isn't a simple number as in the case of sliding friction for hard materials. Instead, it is proportional to the width of the wheel and inversely proportional to the radius. In the case of soft wheels and tires, ?r the surface area of the tire on the ground is also a factor.

See: Coefficient of Rolling Friction.

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How to study

Grades

September 11, 2017

Question

how to study

Patrick - Nigeria (28227)

Answer

Your teacher will usually give you instructions of what to study. How to study means you read the material and try to understand it. Also, it is a good idea to take notes during class to use as a reference when you study, as well as when you take a test.

See Taking Notes in Class, as well as other lessons in the Good Grades section.

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Good resource

Thanks

September 8, 2017

Question

Hi Ron,

I was checking out your physical science resource page. I really like the Science Master resource! it's perfect timing with the book I'm reading on memory "Moonwalking With Einstein."

Thanks,

Drew - USA (28220)

Answer

I'm glad the resource was useful to you. Enjoy your book.

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Thinks of things in great depth

Senses

September 8, 2017

Question

Okay, so I feel like Im very different in a normal way though that it isn't normal....if that made any sense.

Its hard to describe so ill do my best but i always thought i just over think things way too much, like i mean I've always gone way into depth with things like to the point where it use to hold me back from things. For instance ill describe to my friends what I'm thinking of so well and use the best explanation possible they are mind blown and they always say to me "I would have never even thought about that but its so true".

Usually once I explain what Im thinking and why someone or an object did this, I always ask "have you ever thought about it like that" and they all say "No, this not normal to think that in depth, but what you said was so true i don't understand how you even thought like that".

So basically i say things that are so true and describe it so right. But according to my friends nobody would ever take the time to think that into depth with something so stupid or so simple or even complex.

Its weird cause I'm terrible with my words but when it comes to this i don't understand cause I'm terrible at describing things like how i feel about someone or telling someone my feelings. But its weird because i can't describe why i have this and why i guess its not normal They think i have a "magical power" or a "sixth sense" but i don't know if this is normal. or maybe it was just how i was raised but like i tell myself everyday how normal i am compared to people cause i can describe what people are thinking but in the same breath not in the way if someone came up to me and ask what am i thinking right now, i would have no idea what they are thinking that moment.

Its just weird cause i can get along and adapt to literally anyones personality even if they are crazy cause i know I’m normal and they won’t effect me cause i see everyones view points on things even if its not right but i can cope with them and get along because I'm so normal....? like i don't think when i tell my parents that I'm so normal like they don’t understand I'm not the average person i guess so many people are crazy and their thoughts aren't right and there is no reason for this but life.

I just don't understand how i can see things from other perspectives and know what everyone is thinking even if they haven't thought about the topic or subject really. I mean i guess thats the best way i can describe whats going on in my head over email but why do I feel this way?

jillian - USA (28221)

Answer

It sounds like you have a very analytic mind. There are jobs in business and science where such capabilities are in demand. However, a person needs to know when to stop and to draw conclusions. In some areas, it is known as "paralysis by analysis" where the person tries to dissect issues to the point of not taking action.

Probably, in most situations, you can't think of the right words to use, but in special cases where you are extremely interested, you can describe things well.

You might try writing down your thoughts and observations. That could be an effective exercise.

Also, look into job descriptions where companies are seeking people with analytical minds. You could be aiming at a good future career.

Best wishes on using your skills effectively.

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I need a project on physics

Physics

September 8, 2017

Question

I need project on physics

Abubakar - Nigeria (28222)

Answer

See our short list of Physics Experiments for some examples and ideas.

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Device using small disc magnet

Physics

September 6, 2017

Question

Good morning Ron. My son and I are developing a low tech medical device that relies on the attraction between a small disc magnet 20 mm x 2 mm and a similarly sized flat washer. We're having a problem with the amount of attraction between the two and need to increase it and are thinking about increasing the size of the magnet or the washer but are constrained in doing this due to physical dimensions. Is there anything readily available such as a flat washer or disc with a higher than normal iron content that would cause the magnet to be more strongly attracted to it? Many thanks!

Niall - Canada (28214)

Answer

You might try a Neodymium disc magnet. They are small, strong and inexpensive and can be bouht through Amazon.com or other outlets.

I hope that helps. Best wishes for success with your device.

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Electrostatic induction and rice

Physics

September 5, 2017

Question

Hello sir...

Electrostatic induction or electrostatic generator that can stick with plain dry rice or not ???

daksha - India (28213)

Answer

An example of rice being affected by static electricity can be explained in Rice grains sticking to a polythene bag.

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Reflecting sound from concrete wall

Sound

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?

Gravity

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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