69 terms

BStreet Earth, Sun & Moon

Eclipses, Seasons, Phases of the Moon, Rotation, Revolution, Tides
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Terms in this set (...)

eclipse
an event in which the shadow of one celestial body falls on another
equinox
period of equal days and nights; the beginning of spring and autum
solstice
twice-yearly point at which the sun reaches its greatest distance north or south of the equator
seasons
______ are caused by Earth's tilt and its revolution around the sun.
revolution
Earth's yearly orbit around the Sun
rotation
spinning of Earth on its imaginary axis, which takes about 24 hours to complete and causes day and night to occur
solar eclipse
occurs when the Moon passes directly between the Sun and Earth and casts a shadow over part of Earth
lunar eclipse
Occurs only during a full moon, when Earth passes between the Sun and the Moon, and Earth's shadow falls on the Moon.
waxing
describes phases that occur after a new moon, as the lighted side becomes larger.
waning
describes phases that occur after a full moon, as the visible lighted side grows smaller
phases
the different appearances of the moon due to its changing position
gibbous
the moon phase in which we see more than half, but not all, of the moon's sunlit side
crescent
Moon phase in which less than half of the Moon appears to be illuminated.
quarter
When the Moon looks like half is lit is called this.
total solar eclipse
When the Sun becomes fully blocked by a New Moon and the corona shows around it
partial eclipse
A solar eclipse in which the Sun does not appear completely covered.
new moon
when the side of the moon facing earth is dark
full moon
the time when the moon is fully illuminated
axis
an imaginary line that passes through Earth's center and its North and South Poles
hemisphere
Half of the earth
tides
the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth
neap tide
occurs near the times of the first quarter and third quarter moon, has the lowest (minimal) tidal range
spring tide
occurs during the full and new moons, tides are very high and very low (maximum tidal range)
tidal bore
a body of water that rushes into a narrow bay and causes a very sudden tidal rise
tidal range
the difference in levels of ocean water at high tide and low tide
annular eclipse
When the moon is farther away, this type of eclipse happens when the sun is behind the moon and a ring of sunlight is seen around the blackened moon.
corona
the layer of the sun's atmosphere that looks like a halo during an eclipse
gravity
Daily tides are mainly controlled by the earth's rotation and the moon's __________.
moon
any natural satellite of a planet
low tides
water drawn away from the areas between the high tides
high tides
bulge in the ocean on the side of the earth facing the moon and on the opposite side; tide reaches its highest level
winter
Northern hemisphere has this season when the North Pole is tilted away from the sun
summer
Northern hemisphere has this season when it is tilted towards sun, receives more solar radiation
new moon
What moon phase would you observe when the moon is in position 1?
full moon
What moon phase would you observe when the moon is in position 5?
first quarter
What moon phase would you observe if the moon was in position 3?
third quarter
What moon phase would you observe if the moon were in position 7?
winter
What season is the northern hemisphere in position C?
summer
What season is the northern hemisphere in position A?
spring
What season is the northern hemisphere in position D?
fall
What season is the northern hemisphere in position B.
waning gibbous
What moon phase would you observe from position 6?
waning crescent
What moon phase would you observe from position 8?
waxing crescent
What moon phase would you observe if the moon were at position 2?
waxing gibbous
What moon phase would you observe if the moon were at position 4?
spring tide
What type of tide during new and full moons
neap tide
What type of tide will occur when the earth sun an moon are in this position.
neap tide
What type of tide occur during 1st and 3rd quarter moons?
month
The period of rotation and revolution of the moon is about 1 __________ long.
umbra
A total solar eclipse is visible to people who live where the ______ (dark shadow)!of the moon touches the earth.
penumbra
A partial solar eclipse is visible to people who live where the ___ (light shadow)' touches the earth.
winter
What season is occurring in the southern hemisphere at position A?
spring
What season is occurring in the southern hemisphere at position B?
year
The period of time it takes earth to revolve around the sun.
day
The period of time it takes the earth to rotate on its axis,
high tides
During spring tides
_____ ______ occur at positions B and D.
low tides
During spring tides _____ ______ occur at positions A and C.
solar eclipse
When the shadow of the moon fall on the earth, we experience a ________ __________.
lunar eclipse
When the shadow of the earth falls on the full moon, we experience a ______ _______.
lunar eclipse
The earth's atmosphere causes this full moon to have a reddish color during a _______ _________.
week
It takes about 1 __________ for a first quarter to become a full moon.
fall
Which season is occurring in the southern hemisphere in position D?
summer
Which season is occurring in the southern hemisphere in position C?
waxing crescent
What moon phase is occurring in this picture?
waning gibbous
What moon phase is occurring in this picture?
waxing gibbous
What moon phase is occurring in this picture?
waning crescent
What moon phase is occurring in this picture?
first quarter
What moon phase is occurring in this picture?
third quarter
What moon phase is occurring in this picture?

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