Exploring Mathematics Chapters 1-3 Flashcards
season
due to the tilt of the earth’s axis, equal to three months
year
earth revolves around the sun once
day
earth rotates on its axis once
month
moon revolves around the earth once
week
seven days
The length of a mile in feet is
5,280
A pint is a ___ the world around.
pound
The first calendar with a leap year every four years was the one …
authorized by Julius Caesar
The inventors of the hourglass
Romans
Military time has hours numbered from 0000 to
2400
Time zones were introduced when it became common to travel by …
trains
NASA’s Climate Orbiter to Mars failed because …
engineers used two different measures of force
A scruple was a standard of weight for measuring
drugs
Most early measures of distance were based on the
human body
What is the main reason to have leap days?
So the calendar will match the seasons or so the calendar year will be the same length as the solar year.
