unit f list a Flashcards
information gather from an experiment,firsthand evidence from the 5 senses or from machines that ex tent our senses
data
An event related to how the world and universe works.
phenomenon
Any representation of a system, or its components, to help one study and understand how it works
model
The imaginary line around which an object spins, or rotates. Earth rotates around a line that runs straight through Earth from the North Pole to the South Pole.
axis
Consistent with evidence.
plausible
To turn or spin around an axis.
rotate
To turn or spin around an axis.
rotation
A region throughout which the same standard time is used. (There are 24 of these in the world at approximately by meridians at 15 degree intervals, an hour apart.).
time zone
equator
An imaginary circle that divides Earth into two halves called the Northern Hemisphere and Southern Hemisphere.
equator
One half of a sphere.
hemisphere
Another term for revolution. A complete circle made by a planet around a sun or by a moon around a planet.
orbit
revolution
A complete circle made by a planet around a sun or by a moon around a planet..
revolution
To travel around another object in a circular or elliptical path.
revolve
The phase of the Moon in which the lit portion of the Moon visible from Earth’s surface is less than a half-circle. These occur right after and right before the new Moon.
crescent 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 & appears as a full circle.
full Moon
first quarter Moon
The phase of the Moon, occurring about seven 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
A phase of the Moon before or after it is full, when more than half of its disk is illuminated.
gibbous Moon
