A
B
C
D
100

Therm

heat
100

Bio

Life

100

Meter

Measure
100

Aqua/hydr

water

200

Trans

Change

200

Log

Study of

200

Vis/vid

To see

200

Phone

Sound
300

Auto

Self

300

Geo

Earth

300

Dict

say or tell

300

Graph

Write

400

Vac

empty

400

Astr

Star

400

Rupt

Burst
400

Tract

Pull or drag

500

Photo

Light

500

Inter

Between

500

Struct

Build

500

Sk(c)op

See or look
M
e
n
u