Unit F - List A Flashcards
information gathered from an experiment; firsthand evidence from the 5 senses or from machines that extend our senses
data
an event related to how the world and universe work
phenomenon
any representation of a system, or its components, to help one study and understand how it works
model
the imaginary line around which a object spins or rotates. Earth rotates an=round an axis that runs straight through Earth from the North Pole to the South Pole.
axis
the phase of the Moon in which the lit portion of the Moon that is visible from Earth’s surface is less than a half-circle(crescent shape). Crescent moons occur right after and right before the new Moon.
crescent Moon
an imaginary circle that divides Earth into two halves called the Northern and Southern hemispheres
equator
the phase of the Moon, occurring about 7 days after the new Moon, in which the lighted portion of the Moon that is visible from Earth’s surface 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 that 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 lighted
gibbous Moon
the phase of the moon that occurs about 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 revolution of the Moon around Earth that produces the changing phases of the Moon. One complete lunar cycle take about 29.5 days
lunar cycle
the phase of the Moon, occurring about 14 days after the full Moon, in which none of the lighted portion of the Moon is visible from Earth’s surface.
new Moon
a complete circle made by a planet around a sun or by a Moon around a planet (orbit)
revolution
consistent with evidence
plausible
another term for revolution
orbit
