Chapter 1 Earth in Space Flashcards
What is an axis?
an imaginary line through the center of the Earth from the North Pole to the South Pole
What does rotation mean?
The condition where the Earth spins on its axis for 1 complete turn
What is a time zone?
an area of the world where all clocks are set to the same time. There are 24 major time zones on Earth.
What is an orbit?
The path a planet follows around the sun
What is a revolution?
One complete orbit around the sun
What are moon phases?
The different shapes of the moon as visible from the Earth
What is a full moon?
When the moon looks like a completely lighted circle from Earth
What is a new moon?
When the moon is dark and not visible
What is a lunar cycle?
the phases of the moon
What is the range of sunrises?
From 4:46 am to 7:21 am
What month has the latest sunrise?
December
What month has the earliest sunrise?
June
What is the range of sunsets?
From 4:52 pm to 7:34 pm
What month has the shortest days?
December, with 9.5 hours of daylight
What month has the longest hours or daylight?
June with 14.8 hours of daylight