Show:
Mother Earth
Color My World
By the Numbers
Over Under and Through
Potpourri
100

This root word means "life"

bio

100

This root word means animal

zoo

100
This root word means one

mono

100

This root word means around

circ

100

This root word means star

astr

200

This root word means environment

eco

200

This root word means water

hydro

200

This root word means two

di

200

This root word means across

trans

200

This root word means steam 

vapor

300

This root word means earth

geo

300

This root words means light

photo

300

This root word means many

poly or multi

300

This word means together with

syn

300

This suffix means study of

ology

400

This root word means plant

photo

400

This root word means color

chrom
400

This root word means one thousand

kilo

400

This word means beneath

what is infra

400

This root word means sour

acid

500

This root word means cell

cute

500

This root word means heat

therm

500

This root word means small or one-millionth

micro

500

This word means same

iso

500

This root word means soda, ash, or high PH

alkali