Earth's place in the universe Flashcards
(14 cards)
axis
an imaginary line an object turns around
day/night
pm- afternoon
am-morning time before noon-asleep when you first get to school
rotates
the movement of an object in a circular motion
orbit
a repeating path that one object in space takes around another
shadow
a dark shape made when an object blocks
light. when you stand outside, your body blocks sunlight and makes a shadow
cycle
a circle of events that repeats in a regular pattern
sphere
perfectly round and symmetrical like a ball
tilt
the angle of Earth’s axis. this causes seasons
new moon
the first phase of the moon. in this phase the moon is completely dark
crescent moon
the second phase of the moon. in this phase the moon is completely dark because we still can’t see the light shining on it
Quarter moon
the third phase of the moon. In this phase we can see sunlight reflecting off half of the moons surface
Gibbous moon
the fourth phase of the moon. in this phase we can see sunlight reflecting off three quarters of the moon
full moon
the fifth phase of the moon. in this phase we can see sunlight reflect ALL of the moon
lunar cycle
the eight phases of the moon. 29 1\2 days long.