How does eraser work

What is the best way to store erasers, and can they be rejuvenated in any way? As a chemist, I really loved to read this post and would like to know even more! Thank you for sharing such a delightful read. Thank you! Your email address will not be published. Save my name, email, and website in this browser for the next time I comment.

What Makes up an Eraser Erasers are most commonly made of either rubber or vinyl. You might also like 10 Little-Known Pencil Facts. American Pencil History at Sutter's Fort. Sep 10, This is so unbelievably cool! I can't believe that the graphite sticks to fiber in the paper and the ingredients in the eraser loosen the graphite to the point where it's able to grab hold of the graphite and keep it their.

Nov 4, Tung tung May 28, This is the most amazing and special piece of information about eraser I've ever seen. Thanks for the help! Good info for my home work. May 31, Koenig Dec 4, This is a great little article. I'd love to see an electron microscope series of an eraser "picking up" graphite particles. Wonderopolis Dec 4, Aparajita Guha Jun 30, I wish there was one eraser which would erase our parents' mind so that they won't remember our mischievous deeds. Wonderopolis Jun 30, Troy Oct 16, I think it is really weird that people used to erase with white bread instead of rubber.

Don't you think that is weird? Wonderopolis Oct 17, Elango Sep 29, I started reading the wonderopolis recently and it amazes me everyday: Now i am started looking at the past ones which i missed out. Thanks for sharing the wonderful information daily. Wonderopolis Sep 30, Wonderopolis Sep 12, Hey cool, glad my little stop-motion countdown could help illustrate your post. Wonderopolis Aug 16, Sister Jane Aug 10, I just completed a Thinkfinity seminar on Monday so I have just recently been introduced to the marvels of Wonderopolis!

I will inservice the other teachers about this great website and we will introduce Thinkfinity with Wonderopolis to all of the parents on Back to School Nite! Wonderopolis Aug 10, Andrea Keller Aug 9, I am So excited about using Wonderopolis this year for so many reasons!

Teaching children with autism and other very special needs I am always looking for something that will help in telling stories, imagining, and using descriptive words.

I can't wait to use Wonderopolis and see what thoughts I can get my students to express! Wonderopolis Aug 9, We appreciate all of our educator Wonder Friends and are grateful for the thought and time that went into your ideas! Dee Sypherd Aug 9, I'm really excited about the inquiry and vocabulary aspects of Wonderopolis! I plan to use it for cooperative learning team building opportunities. Teams will read the initial question and work together to make predictions before reading the article.

After teams share their ideas, they will read the article. Teams or individuals will use the vocabulary list to pick a word for their word collection. On occasion, we will also use the day's topic as a springboard for further investigation! Erin Gannon Aug 9, As a school with a health focus, we take time out every day to share a healthy snack. While the food is handed out, we read over the Wonder together.

As the kids eat, they talk about it at their tables. The discussions are always great! If the subject really strikes a chord, we tweet the kids' opinions or spend some time writing in our journals about it. Suzanne Aug 8, I like to use Wonderopolis for my Challenge Question -- I post "Wonders" and let my students go look up the answers -- great for research and discovery of an amazingly Wonderful site!

Dorene Tabat Bates Aug 8, I plan to use Wonderopolis this year to introduce Thinkfinity to teachers. I am going to show them how they can use the vocabulary and questions to promote literacy. Also to use the Wonders as daily question and prediction starters. Wonderopolis Aug 8, Traci Porter Aug 8, There are a couple of ways I use the Wonder of the Day. Then he will fill out a T-chart to record the differences learned and share that information with the class.

I also have a link to Wonderopolis posted on my blog for easy access to all of the fantastic information! Traci Porter Lincoln Trail Elem. School N. Spencer School Corp. Wendy Daniel Aug 8, My district, Wilson North Carolina, has just started using Thinkfinity and through the training given by the site I found and explored the great things with wonderopolis. I plan to use this site with my middle school students in many ways. I will use these creative facts to encourage critical thinking and responding each day as a warm up, they can read about the facts, respond in their journals and then discuss how this could relate to our curriculum.

This site will be great to work with common core standards and make learning relevant to their lives. The erasers will be a great reminder that learning is never ending, that trial and error can be ok because it helps us develop and grow.

Marie mso Snow Aug 8, This summer I had the opportunity to explore Wonderopolis - it is so engaging and full of visuals.

White vinyl erasers, for example, erase more cleanly than the common pink eraser because they are made of softer vinyl. Kneaded erasers are moldable and soften when you knead them in your hands. They're one of the least abrasive erasing tools for removing graphite, charcoal and lead , and because this type of eraser is sticky enough to absorb graphite particles without friction, they leave no smudges, debris or tears.

Erasers can do more than erase your unwanted pencil doodles, though. Remember erasable-ink pens? Erasable inks may not be as popular today as they were in the s, but if you're looking for an erasable ink product, they're still out there. Erasable inks contain liquid rubber cement, which means that unlike traditional inks, these will stick to an eraser if you erase them within 10 hours of writing otherwise the rubber hardens and can no longer be lifted from the paper.

Products like magic erasers can take marks off of a number of surfaces, but give your standard pink pencil eraser a try on some of those scuffs. You might be surprised at how effective it can be at erasing more than just pencil marks.

About 75 percent of the pencils sold in America are painted yellow [source: Ritter ]. I learned something new about pencils while researching this article.

No, not that pencil lead isn't lead I knew that fact already ; rather I learned about the pencil sandwich -- the industry term used to describe how pencil wood is placed around the graphite insert. I did, however, also learn that there's a reason I prefer a soft, kneaded eraser over erasers of any other flavor: It actually does the job you expect an eraser to do. Sign up for our Newsletter! Mobile Newsletter banner close.

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