Unit 8 Spelling Words

Each week I'm going to now post the 5 word preview words and the challenge spelling words on here. The students are working on completing activities in class to help them practice writing the words and learn their meanings but I want you to also know what words they're working on. 

Word Preview Words for Unit 8 (the 5 guaranteed words for the spelling test)
state
list
stood
hundred
ten

Challenge Spelling Words (a math and science focus this week)

expression

equation

orbit

revolution

weather

climate

simplify

evaluate