In this case, the "net field trip" likely involves a virtual or remote exploration of a specific site, topic, or theme, possibly using digital tools, platforms, or resources. The focus on "ii work" implies that this is a follow-up or continuation of a previous experience, with potential enhancements, new insights, or further exploration.
Assuming this is related to an educational program, "net field trip ii work" suggests a second installment or iteration of a virtual or online field trip. Field trips are typically designed to provide hands-on learning experiences, allowing participants to explore new environments, observe phenomena, and engage with experts or peers.