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Topic 11: Lesson 3: Phases and Eclipses

One of the different apparent shapes of the moon as seen from Earth. phase
The partial or total blocking of one object in space by another. eclipse
The darkest part of a shadow. umbra
The part of a shadow surrounding the darkest part. penumbra
The periodic rise and fall of the level of water in the ocean. tide
The tide with the greatest difference between consecutive low and high tides. spring tide
The tide with the least difference between consecutive low and high tides. neap tide
Having or likely to have influence or effect; a noticeably large amount. significant
Created by: ScienceWTRMS