Phases and Eclipses Vocab

Front

Spinning motion of a planet on its axis

Back

rotation

Front

Movement of an object around another is called

Back

revolution

Front

Apparent shapes of the moon as seen from Earth:

Back

phase

Front

Periodic rise and fall of ocean water level

Back

tide

Front

Tide with the least difference between low and high tides.

Back

neap tide

Front

Tide with the greatest difference between low and high tides.

Back

spring tide

Front

Blocking of one object in space by another

Back

eclipse

Front

Darkest part of a shadow

Back

umbra

Front

Part of the shadow surrounding the darkest area

Back

penumbra

Front

Moon passes between Earth and sun: ________

Back

solar eclipse