Set: Sun-Earth-Moon System Clues

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With group: LHS-EARTH SCIENCE (edit)
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All 17 Terms

Term Definition
first quarter "The moon has moved eastward in its orbit from the new moon phase and forms a 90 degree angle with the sun and Earth, and the moon appears half bright and half dark."
third quarter "The moon, sun, and Earth are forming a 90 degree angle, so the side of the moon facing Earth is half dark and half bright. The visible part of the moon will be getting smaller as it moves toward the new moon phase."
full moon "The moon is aligned with the sun and Earth, Earth being in the middle. The entire side of the moon facing Earth is bright and visible."
new moon "The moon lies between the sun and Earth so the side of the moon facing Earth is dark and the moon is not visible."
waxing crescent "Although less than a quarter of the moon is visible now, the visible portion is getting larger as the moon moves from the new moon phase toward the first quarter phase."
waxing gibbous "The moon is moving toward the full moon phase, and presently more than a quarter of it is visible on Earth."
waning gibbous "More than a quarter of the moon is visible, and the visible portion is becoming smaller as the moon moves toward the third quarter phase."
waning crescent "Less than a quarter of the moon is visible, and the visible part is getting even smaller as the moon moves toward the new moon phase."
Earth the planet on which we live
Moon the natural satellite of the Earth
Penumbra the area in which the shadow of an object (the moon on the Earth) is partial, and the area in which a partial solar eclipse is experienced.
Sun the star in our Solar System
Umbra the area in which the shadow of an object (the moon on the Earth) is total, and the area in which a total solar eclipse is experienced.
asteroid a small, rocky object which orbits the sun
eclipse an event in which the shadow of one celestial body falls on another
apogee the point at which a satellite is farthest from Earth
perigee the point at which a satellite is closest to Earth

Set Information

Terms 17
Creator glhollon
Created October 15, 2007
Group LHS-EARTH SCIENCE
Tags None
Access Anyone
Edit Creator Only

Description

Concepts including structure of sun and moon, seasons, moon phases, tides, formation of moon

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Most Missed Words

  1. first quarter → "The moon has moved eastward in its orbit from the new moon phase and forms a 90 degree angle with the sun and Earth, and the moon appears half bright and half dark." - 2 misses
  2. apogee → the point at which a satellite is farthest from Earth - 2 misses
  3. full moon → "The moon is aligned with the sun and Earth, Earth being in the middle. The entire side of the moon facing Earth is bright and visible." - 1 miss
  4. new moon → "The moon lies between the sun and Earth so the side of the moon facing Earth is dark and the moon is not visible." - 1 miss
  5. waxing crescent → "Although less than a quarter of the moon is visible now, the visible portion is getting larger as the moon moves from the new moon phase toward the first quarter phase." - 1 miss
  6. asteroid → a small, rocky object which orbits the sun - 1 miss