EARTH, MOON & SUN

EARTH, MOON & SUNWrite Everything in BLUE

Earths RotationThe Earths axis is an imaginary line that runs through the center of the EarthThe Earth rotates on its axis making a complete circle in 24 hoursRotation is what causes day and nightEarths tilted axis is what causes the seasons

Earths RevolutionRevolution is how the Earth revolves around the sunOne complete revolution takes 1 yearThe tilt of the Earths axis means that for part of the year, the Northern Hemisphere is pointed towards the sun and the other part of the year it is tilted away from the sun

SolsticeSolstice occurs when the sun is directly overhead at noon at 23.5 N or 23.5 S latitudeJune 21st the sun is overhead in the Northern Hemisphere so the daylight hours are the longestDecember 21st - the sun rays are indirectly hitting the Northern Hemisphere so the daylight hours are the shortest

Winter SolsticeEquinoxEquinox occurs when the daylight hours and night hours are exactly the sameThe sun is directly overhead at noon at the equatorVernal equinox occurs on March 21 and marks the beginning of springAutumnal equinox occurs on September 23 and marks the beginning of fall

Phases of the MoonThe positions of the moon, Earth, and the sun causes the phases of the moon, tides, & eclipses.The moon revolves around the Earth in about 27 daysWe always see only the near side of the moonThe moon reflects the light of the sunWe see different shapes of the moon due to the positions of the moon, Sun & Earth

Serpent Mound, OhioEach curve of the snake represents a direct alignment of the sunset or sunrise on the day of a solstice or equinox

Phases of the Moon

Draw Each of the Moons on the Following Slides!Moon PhasesFull Moon we see the whole lighted area of the moon

Moon PhasesWaning Gibbous the moon will seem to get a little smaller

Moon PhasesThird or Last Quarter You can see half of the moons lighted side (the left side)

Moon PhasesWaning Crescent You see a very small portion of the moon resembling a crescent

Moon PhasesNew Moon the sun lights the side of the moon that faces away from the Earth so we dont see anything

Moon PhasesWaxing Crescent You see more of the moon -the right side of the crescent

Moon PhasesFirst Quarter You see the right half of the lighted moon

Moon PhasesWaxing Gibbous the amount of the right side of the moon that we see continues to grow

EclipsesAn eclipse occurs when an object in space comes between the sun and another object

Solar EclipseA solar eclipse occurs when the new moon passes between the sun and Earth umbra the darkest part of the moons shadow which results in a total solar eclipsepenumbra the larger part of the moons shadow which results in a partial eclipse

Lunar EclipseA lunar eclipse occurs when the Earth comes between a full moon and the sun

The MoonThe moon is the size of EarthIn 1609 Galileo made a telescope and was the first person to view a close-up of the moonThe dark spots on the moon are low dry areasCraters on the moon are the result of meteor impacts

Mission to SpaceThe USSR Sputnik was the first satellite to orbit the Earth in 1957Yuri Gagarin was the first person to orbit the EarthIn July 1969, Apollo 11 carried the first men to the moonNeil Armstrong and Buzz Aldrin were the first men to step on the moon

Neil Armstrong