Since they’ve changed the words to all sacraments would I be right in thinking all baptized in the NO would be invalid?
No, baptism, marriage and (maybe) Confession are still ok. The others are problematic.
It was my understanding that intention played into the validity of Sacraments.
In the old rite, the intention of the priest was part of the prayers of the sacrament. In the new rite, the intention is not specifically said in the prayers, so the priest has to have the proper intention/mentality.
If the priest intentions are honestly to have turned the bread and water into the body, and blood of Our Lord. Do the words still render it an invalid consecration?
In a novus ordo mass, the priest HAS to supply the intention because the words have been changed into a narrative so that the priest is not speaking in the "1st person" when he says the consecration. Assuming he's a priest (which is a big assumption), if he has the proper intention, then the consecration would be valid.
However, even if he's a priest and even if the consecration is valid that doesn't mean the novus ordo is a complete Mass, nor does it mean it's a licit Mass, nor does it mean that it is moral and pleasing to God. It would mean that communion would be available to the laity, but the "service" itself would be sinful. Only God can make a judgement on who is/isn't guilty for attending this service, since it's a fake mass, and you can't commit a sin (i.e. go to a fake mass) in order to do a good (i.e. receive Our Lord in Holy Communion). That's why it's best to avoid the novus ordo altogether.