Tropos
The area of earth from the equator north to the tropic of cancer and south to the tropic of capicorn
what is the tropics
measuring earth
what is geometry
sound from far away
what is telephone
picture drawn by light
what is photograph
pictured information
what is a graph
turning toward heat
what is thermotropism
measuring eyesight
what is optometry
device for looking at things far away
what is a telescope
a device that measures light
what is a photometer
turning toward light
what is phototropic
plants that love change of seasons
what is tropophilous
device to measure air pressure
what is a barometer
a fundraiser that goes on and on
what is a telethon
process of putting things together using light
what is photosynthesis
to write ones own name
what is an autograph