1. Word roots
Prefixes and suffixes

2. struct-build PREFIX Con- with, together De- away, down Infra- beneath#1
PREFIX
Con- with, together
De away, down
Infra- beneath
Ob- against
Re back, again
SUFFIX
-ion state, quality, act
-ure process, condition

3. Directions: in Column A, identify the parts of each word by circling roots and then underlining prefixes and suffices. Match each word to its correct meaning from Column B.
COLUMN A
construct _____
destruction _____
infrastructure _____
obstruction _____
reconstruction _____
COLUMN B
The act of destroying; a state of damage
To form by putting together parts
The act of putting back together
Underlying framework of a system
An obstacle or something put up against something else
Directions: Choose the best word from Column A for each sentence. Use each word only once.
The hurricane that struck the Florida coast caused a great deal of _______________.
The accident on the highway was a major ______________ to the flow of traffic.
Jeremy kept busy all afternoon with the __________of his Lego tower from the fallen pieces.
The __________ of a school consists of teachers, administration, and a school board.
He was hoping to __________ the new model airplane within a week.