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81 Cards in this Set
- Front
- Back
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Moon phase for a solar eclipse.
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NEW MOON
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Moon phase for a lunar eclipse.
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FULL MOON
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Moon phase when the Moon is entirely lit.
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FULL MOON
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Moon phase when only a small sliver of the Moon is lit.
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CRESCENT
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Moon phase when only a small sliver of the Moon is in shadow.
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GIBBOUS
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Phases between a New Moon and Full Moon.
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WAXING
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Moon phase when exactly half of the Moon appears lit.
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QUARTER MOON
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Phases between a Full Moon and New Moon.
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WANING
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Reason why we see phases of the Moon from Earth.
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ANGLE CHANGES DUE TO MOON'S REVOLUTION
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Approximately how long does each phase last
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3.65 days
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How much of the Moon is lit at any time?
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HALF
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What creates the Moon's light?
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SUN
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How much of Earth is lit at any time?
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HALF
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What creates Earth's light?
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SUN
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Moon phase for a solar eclipse.
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NEW MOON
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Moon phase during a lunar eclipse.
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FULL MOON
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For a total solar eclipse, what must be the relative distance between the Earth and Moon?
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CLOSER
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3 requirements for an eclipse
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1) correct phase
2) correct plane (angle) of orbit 3) correct distance |
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Region around Earth where charged particles from solar wind are trapped.
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MAGNETOSPHERE (VAN ALLEN BELTS)
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Formed when charges particles escape the magnetosphere.
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AURORAS
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Celestial body having the greatest affect on Earth's tides.
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MOON
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Cause of High and Low Tides.
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EARTH ROTATES, CHANGING THE APPARENT POSITION OF THE MOON AND THEREFORE THE MOON'S GRAVITY
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Moon phase during spring tides
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NEW MOON or FULL MOON
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Moon phase during neap tides
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QUARTER MOONS
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Monthly tides that have higher than normal highs and lower than normal lows.
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SPRING TIDES
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Monthly tides that have less variation between high and low tides.
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NEAP TIDES
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Approximate time to complete one tide cycle (in Oregon, 2 high tides and 2 low tides).
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24 hours
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Darker shadow during an eclipse.
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UMBRA
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Lighter shadow during an eclipse.
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PENUMBRA
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Eclipse seen during the day
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SOLAR
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Eclipse seen at night.
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LUNAR
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Eclipse caused by Earth's shadow.
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LUNAR
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Eclipse caused by Moon's shadow.
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SOLAR
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Eclipse when a shadow falls on Earth.
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SOLAR
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Eclipse when a shadow falls on the Moon.
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LUNAR
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How many times each month will there be a spring tide?
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2
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How many times each month will there be a neap tide?
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2
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FIRST QUARTER
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What phase?
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FULL MOON
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What phase?
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WAXING GIBBOUS
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What phase?
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LAST QUARTER
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What phase?
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WANING CRESCENT
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What phase?
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WANING GIBBOUS
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What phase?
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WAXING CRESCENT or FIRST CRESCENT
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What phase?
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What moon phase is "invisible"?
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NEW MOON
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SOLAR
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What type of eclipse?
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LUNAR
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What type of eclipse?
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SOLAR
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What type of eclipse?
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SOLAR
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What type of eclipse?
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LUNAR
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What type of eclipse?
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Why the Sun doesn't have a greater effect on tides
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TOO FAR AWAY
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phase that is fully visible
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FULL MOON
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when Earth is closest to the Sun
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DECEMBER/JANUARY
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day of the year when the noonday Sun is highest on the horizon
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SUMMER SOLSTICE
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day of the year when the noonday Sun is lowest on the horizon
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WINTER SOLSTICE
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body creating a shadow in a lunar eclipse
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EARTH
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body creating a shadow in a solar eclipse
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MOON
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occurs when the Earth passes between the Sun and Moon
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LUNAR ECLIPSE
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occurs when the Moon passes between the Sun and Earth
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SOLAR ECLIPSE
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the days when there is equal amounts of light and dark
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EQUINOXES
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time of the summer solstice
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JUNE 21
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time of the winter solstice
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DECEMBER 21
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time of the spring equinox
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MARCH 22
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time of the fall equinox
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SEPTEMBER 22
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another name for spring equinox
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VERNAL EQUINOX
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another name for fall equinox
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AUTUMNAL
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position of Earth during equinoxes
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NEITHER POLE IS POINTING DIRECTLY TOWARD OR AWAY FROM SUN
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position of Earth during summer solstice
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NORTHERN HEMISPHERE IS POINTING TOWARD SUN
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position of Earth during winter solstice
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SOUTHERN HEMISPHERE IS POINTING TOWARD THE SUN
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compare seasonal patterns in northern and southern hemispheres
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OPPOSITE
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one rotation of Earth
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DAY (24 HOURS)
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shape of orbits
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ELLIPTICAL
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furthest point in orbit
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APHELION
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alternate rise and fall of oceans and seas
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TIDES
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total or partial obscuring of one body by another
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ECLIPSE
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why we see the same side of the Moon from Earth
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MOON'S ROTATION = MOON'S REVOLUTION
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closest point in orbit
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PERIHELION
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the closest point in the Moon's orbit
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PERIGEE
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the furthest point in the Moon's orbit
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APIGEE
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turn around an axis within the body
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ROTATION
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turn around an axis outside the body
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REVOLUTION
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