Unit F - List A Flashcards
Data
Info gathered from an experiment; first hand evidence from the 5 senses or from machines that extend our sense
phenomenon
an event related to how the world and universe work
`model
any representation of a system, or its components, to help one study and understand how it works
axis
the imaginary line around which an object spins, or rotates. Earth rotates around an axis that runs straight through Earth from the North Pole to the South Pole
Crescent Moon
the phase of the moon in which the lit portion of the moon visible from the Earth’s surface is less than a half-circle. Crescent moons occur after and right before a full moon.
equator
an imaginary circle that divides Earth into two halves called the nothern and the southern hemisphere.
First quarter Moon
The phase of the moon, occuring for 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.
full moon
the phase of the moon that occurs for about 14 days after the new moon in which the complete lighted portion of the moon is visible from Earth’s surface & appears as a full circle
gibbous moon
THe phase of the moon before or after it is full, when more than half of it’s disk is illuminated
last quarter 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
lunar cycle
The revolution of the moon around earth that produces the changing phases of the moon. One complete lunar cycle takes about 29.5 days.
moon phase
the shape of the lighted portion of the moon that is visible from Earth’s surface
new moon
The phase of the moon, occuring about 14 days after the full moon, in which none of the lighted portion of the moon is visible from earth’s surface
orbit
another term for revolution
plausible
consistent with evidence