Unit F List A Flashcards
Data
Information gathered from an experiment; firsthand evidence from the 5 senses or from machines that extend our senses.
Phenomenon
An event related to how the world and universe work.
Model
Any representation of a system, or it’s components, to help one study and understand how it works.
Axis
The imaginary line around which an object an object spins, or rotates. Earth rotates around an axis that runs straight through earth from the North Pole to the south pole.
Plausible
Consistent with evidence.
Rotate
To turn or spin around an axis.
Rotation
To turn or spin around an axis.
Time Zone
A region throughout which the same standard time is used. (There are 24 time zones in the world approximately by meridians at 15 degrees intervals, an hour apart.)
Equator
An imaginary circle that divides earth into two halves called the northern hemisphere and southern hemisphere.
Hemisphere
One half of a sphere. (the half of earth that is north of the equator is the northern hemisphere; the half of earth is south of the equator is the southern hemisphere.
Orbit
Another term for revolution.
Revolution
A complete circle made by a planet around a sun by a moon around a planet.
Revolve
To travel around another object in a circular or elliptical path.
Crescent Moon
The phase of the moon in which the lit portion of the moon visible from earth’s surface is less than half-circle (crescent shape). crescent moons occur right after and right before the new moon.
Full 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.