Planetary Science-Investigation 2/Moon

STUDY
PLAY
waxing moon
when the moon is in phases moving toward a full moon
waning moon
when the moon is in phases moving toward a new moon
gibbous
when more than half of the moon is lit
crescent
when less than half of the moon is lit
full moon
when the moon is completely lit up
new moon
when the moon is completely dark
gravity
the attractive force of all objects to all other objects
model
a scaled representation of an object