Yes, there are many good websites that can give tips on cooking with kids. It's very useful and beneficial. You can check on the website called kidshealth.org. Also, you can check on another website called kidstable.org too basically.
Some great websites about cooking with kids are: http://www.spatulatta.com/ http://www.kidsacookin.org/ http://www.coolkidscooking.com/ http://cookingwithkids.net/ http://www.cookinkids.com/
yes kida are very good at cooking, but it depends on the ingredients.
scholastic is one of the best websites
A good website for girls (kids) is gamesforgirls.com
KidzSearch.com is a good resource for kids websites.
bered.com
Growing vegetables is a great food-related activity for kids that doesn't involve cooking or eating. What it does do, however, is give kids a good sense of how we get vegetables and fruits, and makes them more likely to want to eat them because they have helped grow them.
imvu.com is a good one
Fantage is a good one.
Clubpenguin
scary for kids
I believe the best cooking game for kids is cookinggamesclub.com because they have a great variety of games to play and they are of good quality. Also, they are very fun.