Carbohydrates should provide 50-60% of the energy a child needs from food.

• Carbohydrates are naturally found in-
  • milk
  • fruit
  • bread
  • rice
  • grains

10-15% of the diet should be made up of Protein.

• Protein is naturally found in-
  • meat
  • fish
  • milk
  • nuts
  • seeds
  • legumes
  • eggs

For young children especially fat and cholesterol are essential for proper brain development, fats should make up less than 30% of a child's diet.

• Fat is naturally found in-
  • meat
  • oil
  • nuts
  • seeds
  • butter

On average, children need 50 to 60 ml of water per kilogram per day.

This is only Macronutrients. and only from 1-2 websites sourch http://www.buildhealthykids.com/basics.html