What format should I change my RAW photos so I can put them on a CD to be printed?

I took some photos at my cousins wedding they are in RAW format & I edited them in Photoshop Elements 9 (if that makes a difference) & I want to put them on a CD for her to print the ones she wants in the size she wants (no bigger than 8x10) also my camera is a Nikon D5000 (again if that makes a difference) also what CD are best for saving photos?

JPEG would be fine.

As you are giving her the images to decide which ones she can print then JPEG (.jpg) is best. If you were doing this yourself then it's worth talking to whoever is creating the images and you may find that 16-bit TIF files would be your better option (though the images are huge)

*Best to add a file to the CD expressing her right to reproduce the images for personal use, and if you know how add something to the file headers too.

All print houses can take Jpeg, some of the better (more Professional) ones accept 16bit Tiff with a noticeable difference in print quality.

You can include both versions on the memory stick (or CD) as She'll need Jpeg for web use and e-mailing.

I use a memory stick, cheap these days (similar price to a stack of CD's) more secure and faster than burning to CD.

The aspect ratio (Height vs Width) will rarely match paper formats, you might want to make 10" X 8" versions in Elements and save them otherwise where the print house crops the images to fit the paper can be a bit of a lottery.

Jpeg, at maximum quality, maximum image size, with no rescaling, will do absolutely fine.

Not all image printing services will take 16 bit TIFFs. Stick to jpeg, it's the safest option. If you have a lot of images, the file size of uncompressed TIFFs will be huge.

When printed as a photo, you will not see a difference between 16bit or 8bit TIFF and a high quality jpeg - there's NO discernible difference when printed.

Any writeable CD media will do.