Identifying the Conjunction as Coordinating or Subordinating Part 1

Coordinating conjunctions join two ideas that are equally important and could be independent from each other.
 

I had a peanut butter and jelly sandwich for lunch.
 

Subordinating conjunctions establish relationships between two ideas and always come at the beginning of a subordinate or dependent clause.
 

Every year I try to stay up until midnight on New Year’s Eve.