solar panel usb

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Would it work for a science project to buy a small solar panel, regular and apple usb cable and charge an iP?

od? If so what kind of Solar panel do i get and how many watts and does watt really matter if you get a transformer?

I found one very good site for science projects and ideas…it helped me a lot..i am very much impressed from their material..and also had some words with their owners.
You should also try this…
http://www.doitscience.com

Freeloader Pico Solar Rechargeable iPhone Charger $29.99 Freeloader PICO is a compact and lightweight solar charger designed for people on the move! Using advanced solar cell and lithium ion battery technologies, PICO will charge its internal battery in double quick time. It then takes only 30 minutes to deliver its power to give a mobile phone, iPod or GPS etc etc. Freeloader PICO is supplied with four connection tips, a master cable and a comprehensiv…

Goal0 14101 Luna Light $7.95 Goal0 14101 Elite Luna is an ultra-portable 1 Watt LED light and every outdoor enthusiast’s best friend. With its low power draw, the Luna illuminates anything from a keyboard to a tent….

Goal Zero 19006 Guide 10 Adventure Kit with 4 Goal Zero AA Batteries $89.75 Charges handheld devices such as cellular phones music players gps units & digital cameras from solar power or from aa/aaa batteries 2 in 1 charging system that powers up aa & aaa rechargeable batteries & harnesses that power via the usb port to charge other devices extremely compact & portable weight: 1 lb includes batteries…

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