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Topic: HELP! I need to make a toy for physics class!!!  (Read 1381 times)
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anata ga suki desu!
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« on: February 26, 2007 01:29:48 PM »

Okay y`all heres the skinny,

For my grade 12 physics class, we have been asked to make a toy which demonstrates a change in friction or wind resistance.

I am thinking of maybe making either some kind of walking toy which has interchangeable feet with different materials. 

Or maybe a batwing shirt or something?


If anyone has any idea, no matter how small it is, let me know.
Thank you all so much!
« Reply #1 on: March 02, 2007 04:37:44 PM »

I'm surprised that you didn't get any replies, so I'll brainstorm some...

a yo-yo,
a pinwheel,
a paper airplane---or flying bat,
something that rolls---a bat on wheels??   Grin


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« Reply #2 on: March 02, 2007 04:45:54 PM »

For friction, I like the idea of something with interchangeable wheels. Or, maybe a plushie that has an interchangeable bottom surface (Velcro?) of different textures, so when you drag it, you can feel the difference in friction!?

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« Reply #3 on: March 02, 2007 04:57:18 PM »

What about a musical toy? you can have a stick and rub it across the surface so you can hear the friction. Your toy can have like 4 different sides with different textures so you can hear the difference between smooth, rough, ridges...etc.

Sorta like this


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« Reply #4 on: March 02, 2007 06:59:48 PM »

How about a marshmallow launcher? You can launch marshmallows in these things with just your breath... demonstrates the power of air pressure! Check out http://www.instructables.com/id/ETF791V9H4EP285YZU/?comments=all&sort=
« Reply #5 on: March 04, 2007 10:55:02 PM »

I'm making silk (fake silk actually--they're 100% polyester) streamers for my daughter's birthday party, for giveaways. They sort of demonstrate wind resistance, because the long tails (you can make them any length; ours are 8 feet - 10 feet long) stream behind you, and if a breeze comes, it really affects them. The strips are 1.5 inches wide, but you could vary them and see how the wind affects longer or wider strips differently. They're pretty cheap to make, and the fake silk is very fun to tear into strips (it tears perfectly; just start it on any side with a pair of scissors for like 1/3 inch). I'm attaching them to 18" wooden dowels using a little O-ring screw like you see on the backs of picture frames. Wish I could share a picture, but I'm too new for them to let me yet. Ask any questions of me if this sounds like something you want to do.

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