Spelling and Vocabulary

Spelling:
1.example
2.level
3.human
4.quarrel
5.scramble
6.evil
7.oxygen
8. wooden             
9.double
10.travel
11.cancel
12.chuckle
13.fossil
14.toboggan
15.veteran
16.chisel
17.suburban
18.single
19.sudden
20.beagle
Challenge Words:
1.obstacle
2.kindergarten
3.abdomen
4.pummel
5.enlighten

 Vocabulary Words:
1.conservation
2.contribute
3.  enthusiastic
4.environment
5.investigation