Add some poultry vitamins to their drinking water and feed them scrambled egg with millet, adding a bit of clean sand to help with their digestion.
They look really cute!
Usually not or very faintly, as the sounds will be subdued by the broody's body and feathers.
When you go to check on them on Thursday morning, don't forget to announce your arrival by calmly talking to them prior to opening the box. This way she will know that it is you coming and not get...
They will usually not need any water as for the last 2-3 days prior to hatching they fall in some kind of trance concentrating on the movements and noise coming from the eggs.
The feed is for the early hatchers, so she will be able to keep them entertained and stay on the eggs that are still to...
Just put some chick feed in with her and close the nestbox off with a piece of chicken wire. This way you will be there and can help the chicks down when she gets off the nest.
But in any case, prepare a nestbox on the ground for them and cover the wired ground with cardboard or similar, or...