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Science of yo-yos continued
‘In a perfect world, a yo-yo could rise and fall on its string forever. But as the string spins on the plastic axle, friction (the rubbing force between two things that are in contact and moving past one another) uses up some of its energy. Although you can't see it happening, the spinning yo-yo wheels also rub against the…
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Types of energy
‘Just as a yo-yo has two kinds of kinetic energy, so it has two kinds of momentum: linear momentum (because it moves in a straight line, up and down on the string) and angular momentum (because it spins around). All spinning objects have angular momentum. And anything that's spinning around likes to keep on spinning so its…
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What type of yo-yo is right for me?
Elsa continues looking for types of yo-yo toys. She comes across an interesting article and begins to read it. ‘Yo-Yoing has been around since 440 B.C. as a toy and now as a sport thanks to the advancement of design. Like any sport to be successful, you must have the proper equipment, learn how to use it, and understand…
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How to Do 5 Awesome Yo-Yo Tricks
Elsa gets herself a cup of fresh coffee and goes back to her computer. Aha! She finds an article on how to do some tricks. ‘Former Venturer Alex Curfmanis a yo-yo expert. He practices 10 or more hours a week and has excelled at tournaments. At the 2009 World Yo-Yo Championships, he broke the record for the longest Shoot…
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The girls are very excited
“Hi Tiffi, I was just about to call you,” Elsa says. The two energetic twins both begin to speak at the same time. Does either one of them ever run out of energy? They share what they have found and then Elsa tells Tiffi that perhaps she can check with her father to see if he can purchase the yo-yos cheaper as a store…
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Yo-Yo Basics
A few days pass and Mr. Toffee gets his supply of yo-yos. Tiffi is so excited and she can’t wait to call all her friends to let them know. First she wants to call Elsa and then she’ll call her friends. “Hi Elsa, how is the story going?” asks Tiffi. “I wanted to let you know that the yo-yos came in so let’s make plans to…
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Elsa watches some videos online
Time for a two-minute break! She needs some fresh coffee first. Much better! She takes a sip of her coffee and goes to the YouTube website. First she does a filter for videos less than 4 minutes. Any longer would not hold the reader’s interest. She decides to check out the first video since it’s only 1:34 minutes. That was…
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Someone gives them a few tips
Time goes by quickly and it is now Friday. Tiffi gathers all the yo – yos and heads on over to the park. She takes out all the yo-yos and leaves them on the bench. Elsa, Misty and Chewy are the first to arrive. “Hi guys, I found some beginner’s information for all of you,” says Elsa. They all begin to use their yo-yos and…
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Oh no, what happened to Odus?
The rest of them now show up and walk over to the bench to get a yo-yo. Look at this, Red Rabbit is already learning how to do tricks! He is really good! “Phillippe, please watch how you throw that yo-yo,” says Jean-Luc. “You all need to give yourself space so that you don’t hit each other.” Does Phillippe ever listen to…
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Manusenssas
Bonne journee à tous je suis Québécoise français !!!
