earth                                                Greek                  #7

geometry          geo + meter         math to survey, or

                                                 measure the earth

geology            geo + log             study of the earth

geothermal       geo + therm         heat from the earth

heat                                             Greek               #8

thermostat        thermo + stat        keeps temperature

                                                  steady, not moving

thermometer     thermo + meter      measures heat

geothermal       geo + therm           heat from the earth

measure                                       Greek                   #9

diameter         dia + meter            measure through a

                                                 circle

chronometer    chrono + meter       a highly accurate

                                                 timepiece

perimeter        peri + meter           measure around an

                                                 object

life                                               Greek                      #10

biology         bio + log            study of life

biopsy          bio + ops           inspection for life

antibiotic      anti + bio          attacking things against

                                           life

speech, study of, written work, word        Greek     #11

genealogy          gen + log               study of your origin

                                                    (family)

cosmology          cosmo + log           study of the

                                                    universe

archaeology        arch + log              study of ancient

                                                    (first) people

one, single                                     Greek                   #12

monotheism        mono + the      belief in one God

monologue          mono + log      speech by on stage by

                                               yourself

monogamy          mono + gamy   single union at a time