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Earth,Sun,Moon

8th Grade Science

TermDefinition
season the changes that occur due to the tilt of Earth’s axis and cause the equator to receive direct sunlight and the poles to have more indirect light
equinox two days a year where all locations on earth receive 12 hours of dark and 12 hours of light, occurs in March and September
solstice a day when the Earth’s poles are the most tilted toward or away from the Sun creating the most OR least amount of light received, occurs in June and September
moon phase the Sun shining on the moon and the moon reflecting that light back to Earth
waxing more of the Moon’s right side is lit each night leading to a full moon
waning when more of the Moon’s left side is lit at night
crescent when the side of the moon we can see is less than halfway lit
gibbous when the side of the moon we can see is more than halfway lit but less than fully lit
solar eclipse when the Moon, Earth, and Sun align during a new moon in a way that the Moon’s shadow appears on Earth
lunar eclipse when the Earth’s shadow is cast over the Moon during a full moon
penumbra the lighter part of an eclipse shadow resulting in a partial eclipse
umbra the darker part of an eclipse shadow resulting in a total eclipse
tide the daily rise and fall of the sea level due to the gravitational pull of the Moon and the Sun
spring tide occurs during a full or new moon and results in the highest high tides and lowest low tides
neap tide occurs during first quarter and third quarter moons when the Sun, Earth, and Moon form a right angle resulting in lower high tides and higher low tides
Created by: user-1960358
 

 



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