to measure
What is meter?
the study of
What is logy?
autograph
What is self-writing?
chronology
What is the study of time?
sun
What is helio?
to write
What is graph?
biography
what is life writing
geography
What is earth writing?
(geography is studying what is "written" on the Earth's surface - physical features, such as mountains, deserts, rivers, and oceans )
something written
What is gram?
earth
What is geo?
autobiography
what is writing about your own life
heliograph
What is sun writing?
A heliograph uses a mirror to reflect sunlight to a distant observer. The first recorded use of a heliograph was in 405 BC when the Ancient Greeks used polished shields to signal in battle.
time
What is chron(o)?
center
What is centri?
biology
what is the study of life
thermometer
What is to measure heat?
life
What is bio?
self
What is auto?
geology
What is the study of the earth?
autopilot
What is self pilot?
(the plane flies it"self")