Match the terms to the correct descriptions.
 Question 1 options:
 a surface shaped in such a way that the center curves inward like this: 
 a
 a surface shaped in such a way that the center curves outward like this:
 j
 light behavior in which light waves bounce off a medium and goes in a different direction.
 light behavior in which light goes through a medium and bends, going in a different direction.
 1. 
 reflection
 2. 
 refraction
 3. 
 concave
 4. 
 convex