Do you know what that thing that the priest uses to sprinkle holy water on the congregation is called? What about the thing that holds the incense? Even if you go to church everyday, you may not be able to identify these Catholic items and their significance.

Each question in this quiz is a little harder than the last, so see how far you can go and post your score in the comments below!

And if you need a little help, check out Andrea Zachman’s new book, The Sacred That Surrounds Us: How Everything in a Catholic Church Points to Heaven.