Phases, Eclipses, Tides, & Earth's Moon Vocab.

Front

Different shapes of the moon as seen from Earth

Back

phase

Front

A chunk of rock or dust in space, smaller than an asteroid

Back

meteoroid

Front

Dark, flat areas on the moon formed from ancient lava flows

Back

Maria

Front

Tide with the greatest difference between low and high tides

Back

Spring Tide

Front

Tide with least difference between low and high tides

Back

Neap Tide

Front

A large round pit caused by a meteoroid impact

Back

Crater

Front

Periodic rise and fall of ocean water level

Back

Tide

Front

Part of a shadow surrounding the darkest area

Back

Penumbra

Front

Darkest part of a shadow

Back

Umbra

Front

Blocking of sunlight to the moon when Earth is between the Sun and Moon.

Back

Lunar Eclipse