Earth, water, sky
Roots about the natural world: land, water, stars, and sky.
11 roots in this category · Built for grades 4 through 8
Greek roots
- georootGreek
earth
geography, geology, geometry
- hydrorootGreek
water
hydrate, dehydrate, hydroelectric
- nautrootGreek
sailor or ship
astronaut, nautical, aeronautics
- astrrootGreek
star
astronaut, astronomy, asterisk
- thermrootGreek
heat
thermometer, thermal, thermostat
- photo-prefixGreek
light
photograph, photosynthesis, phosphorus
Latin roots
Where to start
Level 1 holds the word parts students meet first. Level 3 holds the ones that turn up in harder reading.
- Level 1 · most common · 5 roots in this category
- Level 2 · expanding · 5 roots in this category
- Level 3 · challenge · 1 root in this category