When an object hits another with a dull sound is called a thump.

A person chosen to replace you is called a surrogate.

The amount of strength needed to pull something down to tear is the tensile strength. 

The logical method of doing something is often called systematic.

The movement from one passage to another is called a transition.

The most famous phrase of the English language is, "in the beginning" as the universe unfolded.

Sometimes an ordinary adventure with children can be the trip of a lifetime if you let the universe control it. 

 A person who is responsible for another is their sponsor.

Computer language used to form instructions for computers is called software.

A very thick and hard textured stalk of grass is called straw.