Cadences

Question 0

What is an Perfect Cadence?

Answer 0

Also known as Authentic cadence. It creates the most decisive ending.
V - I

Question 1

What does a cadence do?

Answer 1

Creates a sense of praise or break during the flow of music. Divides music into sections or phrases; a piece of music normally ends with a cadence.

Question 2

What is a Plagal cadence?

Answer 2

Sounds like church music. Not as decisive but frequently used to end a piece of work.
IV - I

Question 3

What is an Imperfect cadence?

Answer 3

Also known as a Half cadence. Usually occurs in the middle of a piece, acts like a comma. 
It involves progressions to V
ii - V / II - V
I - V / i - V
IV - V

Question 4

What is a Interrupted Cadence?

Answer 4

Also known as a deceptive cadence, sounds like a question mark.
V - vi