"Going up." The honor of being called to recite the blessings before and after the Torah reading. Also refers to immigration to Israel, to "make aliyah" to Israel; plural: aliyot. Lit. "Ascent."
At the beginning of the Passover seder, the youngest person asks the Four Questions. Here's a handy guide to the questions in English and Hebrew, with a downloadable melody and printable version.
Don't be overwhelmed by hosting your own seder. Use this handy checklist to help you prepare!