field trip; educational visit
Typically a school-organized outing for social studies or general learning, often to museums, factories, or public facilities.
Next week we're going to the fire station on a field trip.
I'll hand out the field trip guidebook.
社会科見学 is a focused social-studies visit to a workplace or facility, whereas 修学旅行 is a broader trip that can include sightseeing and group travel.
Compound of 社会科 (social studies) + 見学 (observation/study visit). The term is a straightforward modern educational expression.