Tangischools 8th grade Science Unit 5 Chapter 20 Lessons 2 and 3

9 terms by dspears 

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Unit 5 Ch 20 L 2 and 3 vocabulary words

maria

large, dark, flat areas on the Moon

phase

lit part of the Moon or a planet that can be seen from Earth

waning phase

occurs when less of the Moon's near side is lit each night

waxing phase

occurs when more of the Moon's near side is lit each night

lunar eclipse

occurs when the Moon moves into Earth's shadow

penumbra

lighter part of a shadow where light is partially blocked

solar eclipse

occurs when the Moon's shadow appears on Earth's surface

tide

daily rise and fall of sea level

umbra

central, darker part of a shadow where light is totally blocked

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