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5 Space

Earth's Movement TEK 5.8C

Axis An imaginary line through the center of an object that the object turns around.
Equator An imaginary line around the middle of a planet halfway between the north and south poles.
Day-Night Cycle The 24-hour period during which Earth rotates on its axis.
Orbit The path taken by one object circling around another object.
Rotate To spin on an axis.
Shadow The dark shape made when something blocks light from a light source like the sun, a flashlight, or campfire.
Sunrise The moment the sun appears on the horizon in the morning.
Sunset The moment the sun disappears from the horizon at night.
Lunar Cycle The 28-day cycle that includes New Moon, Quarter Moon, Full Moon, Quarter Moon.
Full Moon A moon phase when the moon appears completely lit up when seen from Earth.
New Moon When the Moon cannot be seen because we are looking at the unlit half of the Moon.
Seasons Quarterly period changes in the year due to the Earth’s tilting axis.
Created by: mparham
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