Most journals have a list of features that help you determine what kind of articles they accept. Check these things out first to see if it is a good publication venue for you:
When you get ready to submit, follow the journal's instructions to the letter.
1890: A Journal of Undergraduate Research
A mix of humanities, social science, policy, political science, etc.
AJUR: American Journal of Undergraduate Research
Independent, competetive peer review journal since 2002.
Butler Journal of Undergraduate Research
Open to outstanding scholarship from any accredited university or college.
Crossing Borders: A Multidisciplinary Journal of Undergraduate Scholarship
Sponsored by K-State but open to students from other institutions.
Honors Review
Authors do not have to be part of an honors program to submit manuscripts. The goal of Honors Review is to ive all undergraduates the opportunity to participate in scholarly conversations within their disciplines and to experience the publication process.
Undergraduate Research Journal
A "national double-blind, educator-reviewed print and electronic journal published annually in the Winter. The journal is a forum for multidisciplinary undergraduate research and creative endeavors within higher education"