Unit F - List A Flashcards
Information gathered
Data
An event related to how the world and universe
Phenomenon
Any representation of a system, or its components, to help one study and understand how it works
Model
The imaginary line around which and object spins, or rotates. Earth rotates around an axis that runs straight through Earth and the North pole to south pole.
Axis
The phase of the moon in which the lit portion of the moon is visible from Earth’s surface is less than a half-circle. Cresent moons occur right after and right before a new moon.
Cresent Moon
An imaginary circle that divides Earth into two halves called the northern and southern Hemisphere.
Equator
The phase of the moon, occuring about seven days after the new moon, in which the lighted portion of the moon that is visible from Earth’s surfaces is a half-circle.
First-Quarter Moon
The phase of the moon that occurs about 14 days after the new moon in which the complete lighted portion of the moon is visible from Earth’s surface and appears as a full circle.
Full moon
A phase of the moon before or after it is full, when more than half of its disk is illumanated.
Gibbous Moon
The phase of the moon that occurs 7 days after the full moon in which the lighted portion of the moon that is visible from Earth’s surface is a half-circle.
Last-quarter moon
The revoulution of the moon around Earth that produces the changing phases of the moon. One complete lunar cycle takes about 29.5 days.
Lunar cycle
Another term for revoulution
Orbit
The phases of the moon when the illumanited portion visible from Earth is decreasing (Between a full and new moon)
Waning
The phases of the moon when the illumanted portion visible to Earth is increasing (Between a full and new moon)
waxing
A complete circle made by a planet around a sun or by a moon around around a planet.
Revoulution
