Can a non-custodial parent be held in contempt for not following visitation orders and taking kids on his visits?

Can't force a parent to exercise visitation. However, if you request support to be modified to reflect his less frequent visits, that may spur...

Mother of children in terrible with cps for saftey concerns, no custody order in place....

May qualify for an Ex Parte Request for Orders. However, since no fact were provided as to mom's contact, not sure if you would qualify.

I'm afraid that my ex will take my son out of state since my son has a passport. Can I request a court order to prevent this?

Passport concerns may have irreversible consequences if not addressed promptly and with experienced counsel. Not all countries play well w/ USA.

I have 50/50 legal custody with my ex. She has sole physical custody of my daughter. Can I obtain 50/50 physical custody?

I concur with my colleagues. Until an order is signed by the court, both parties are on an equal footing, but neither has an enforceable order.

Can an emergency protective custody order be overturned?

Contact an experienced family law attorney immediately as there are time limits in addressing the prior family court order.

Better to get orders made first so you don't have to come back.

If my daughter is a citizen of California and her mother a Citizen of Nevada could she take me to court in Nevada for custody?

Citizen of California & Nevada? Do you mean residence? Where did child reside 6 months prior to filing? That is what controls.

How do I proceed with a 2nd contempt on the father?

Hire an experienced family law attorney. Contempts are quite challenging for the pro per.

Divorce Process

I concur with my colleague. Best of luck and please use the search bar here on Avvo to find an attorney.

Can I go back to court and get my arrears payments reduced due to my income being so little?

If the order was recently made considering your current financial information, it may be hard asking the judge to now change the amount ordered.