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Chronometer
________ was invented, and then accurate timekeeping was there to use the sextant.
Astrolabe
Used measurements of stars and time to find longitude and latitude (especially at sea), not very accurate but gave users a good sense of where they were.
Tare
Setting a scale to zero (Can be used to set items to zero so that they are not counted in the measurement)
Aristocrat
Inherits money, title, and power.
Weights and Measures
Standard units that tell you how much you have of something.
Concave
________- Slightly dish- shaped (Like a dent)
Astrology
Trying to predict the future and personalities through star position.
Technology
Designing tools to solve problems.
Eratosthenes
276 B.C.E, head librarian at the library of Alexandria, Ptolemy.
Optics
The technology of seeing things (HOST def .)
Investigator
________ addresses consumer complaints.
Stonehenge
Giant stone structure, tracks solstices and served as a burial ground.
Contaminant
A something in a substance that makes it ________ (Not pure)
Net
- Total amount after something is subtracted from Gross ( Worth)
Sextant
Can be used to find longitude/latitude or the time with advanced calculations. Much more accurate than the astrolabe, but needed more advanced calculations.
Glass
Silica melted into a transparent material, often from sand with the contaminants removed.
Resources
Objects/Talents to use for practical purposes.
Metric System
A common measurement system almost used everywhere.
Tertiary Effect
Even larger changes caused by earlier sets of changes.
Vernal Equinox
First day of Spring, day /night same length.
European army officers
________ were almost always aristocrats and did not always know what they were doing.
Rectilinear Propagation of Light
Light always travels in a straight line.
Paleolithic
Old Stone Age
Neolithic
New Stone Age
Equator
The line that splits the Earth into the Northern and Southern hemisphere.
Metrology
The study of measurement
Periscope
A device equipped with mirrors to allow to see above or below obstacles.
Prism
Solid geometric figure that reflects all light.
Chronometer
Accurate timekeeping device that could be used at sea
Aristocrat
Inherits money, title, and power
Technology
Designing tools to solve problems
Resources
Objects/Talents to use for practical purposes
Primary Effect
First, most immediate change caused by an event
Secondary Effect
Bigger changes caused by the first set of changes
Tertiary Effect
Even larger changes caused by earlier sets of changes
Idea
Imagining something that could be
Tare
Setting a scale to zero (Can be used to set items to zero so that they are not counted in the measurement)
Gross
Total Amount
Net
Total amount after something is subtracted from Gross (Net Worth)
Weights and Measures
Standard units that tell you how much you have of something
Metric System
A common measurement system almost used everywhere
Smoot
Height/length of Oliver R. Smoot, 5ft 7in
Optics
The technology of seeing things (HOST def.)
Stonehenge
Giant stone structure, tracks solstices and served as a burial ground
Astrolabe
Used measurements of stars to find longitude and latitude (especially at sea)
Sextant
Can be used to find longitude/latitude or the time with advanced calculations
Concave
Slightly dish-shaped (Like a dent)
Convex
Slightly bump-shaped
Rectilinear Propagation of Light
Light always travels in a straight line
Summer Solstice (Midsummer)
Longest day, shortest night (June 21), beginning of Summer
Winter Solstice (Yule)
Shortest day, longest night (December 21), beginning of Winter
Autumnal Equinox
First day of Autumn, day/night same length
Astronomy
Study of stars
Astrology
Trying to predict the future and personalities through star position
Eratosthenes
276 B.C.E, head librarian at the library of Alexandria, Ptolemy
Primary Effect of the Sextant
Users know where they were
Secondary Effect of the Sextant
Time was needed to use the sextant, which started a motion to invent an accurate clock that could work at sea
Tertiary Effect of the Sextant
Royal Naval Observatory, science/math linked to Navy
GMT
Greenwich Mean Time
Lenses
A clear piece of glass or plastic that changes the focus of an image
Primary Effect of Lenses
Images could be made to look larger or closer
Secondary Effect of Lenses
Grinding lenses was invented, or making lenses concave or convex
Tertiary Effect of Lenses
Important lens inventions were invented (Eyeglasses, binoculars, telescope, microscope, contact lenses)
Contaminant
A something in a substance that makes it contaminated (Not pure)
Glass
Silica melted into a transparent material, often from sand with the contaminants removed
Note 
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