SCI8 - Space Unit Vocabulary

Front

rotation

Back

Moving around an axis

Front

orbit

Back

the path that a body follows as it travels around another body in space

Front

Polaris

Back

the north star

Front

phase

Back

the change in the sunlit area of one celestial body

Front

new moon

Back

when the moon appears totally dark

Front

full moon

Back

when the moon is entirely lit by the sun

Front

waning

Back

the part of the moon that we see illuminated is getting smaller

Front

waxing

Back

the part of the moon we see illuminated is getting larger

Front

eclipse

Back

when the shadow of one celestial body falls on another

Front

umbra

Back

darkest part of the eclipse shadow