1. The Search for Early Americans
Open Court
Unit 2_Lesson 2

2. Word Knowledge
Line 1: photograph telephoto photosynthesis photosensitive
Line 2: precaution preview prewash preheat
Line 3: largest wildest greatest nearest
Line 4: prehistoric preserved professor prove postscript
S1: To enhance her presentation, Amy distributed photocopies of her research.
S2: My father likes to precook dinner in the morning.
S3: Tara is the fastest runner in our class.
S4: The archaeology professor studied prehistoric artifacts.

3. Vocabulary
Cliff dwelling (dwel-ling): cave or hollow in cliff where ancient Native Americans of the Southwest lived (pg. 137)
prehistoric (pre-his-tor-ic): period before recorded history (pg. 141)
exploration (ex-plor-a-tion): examination of inhabitants and features of an area (pg. 141)
preserve (pre-serve): protect, save (pg. 141)
Ancestor (an-ces-tor: person from whom one is descended (pg. 141)

4. Spelling: The Search for Early Americans
postdate
postscript
procedure
progress
propose
provoke
predict
preface
preparation
premature
protest
prefix
preview
proclamation
precaution
prearrange
prehistoric
preserved
professor
prove