Tips

Keep track of what you've done over your summers especially projects, jobs, internships, etc.
You will be asked about your favorite books, movies, websites, songs, keepsake, word, etc, so try to showcase your unique personality in these answers.
You'll be required to write an additional essay on one of several prompts, as well as another additional engineering essay if you're applying for a BSE

Example Supplemental Essays From Admitted Students