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User:Bdodo1992/Books/Time1

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Science Olymiad It's About Time

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Division C

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Definition
24-hour clock
Chronometer watch
Clock
Decimal time
Equinox
Global Positioning System
Julian day
Julian year (astronomy)
Leap second
Leap year
Metric time
Orders of magnitude (time)
Planck time
Second
Sidereal time
Solstice
Time
Time standard
Tropical year
Watch
Standards
Coordinated Universal Time
Daylight saving time
Greenwich Mean Time
International Atomic Time
ISO 8601
Types of Clocks
Atomic clock
Clock of the Long Now
Crystal oscillator
Hourglass
Marine chronometer
NIST-7
NIST-F1
Quartz clock
Sundial
Water clock
Escapement
Escapement
Grasshopper escapement
Lever escapement