Day/Night/Seasons/Moon Phases/Tides/solar system review
About this set
Created by:
moxy29 Teacher on February 23, 2012
Subjects:
Description:
3rd 9 weeks review
Classes:
Log in to favorite or report as inappropriate.
Order by
25 terms
Terms | Definitions |
|---|---|
 axis | the center around which something rotates |
| rotation | spinning of Earth on its imaginary axis, which takes about 24 hours to complete and causes day and night to occur |
| revolution | the movement of an object around another object |
| tilt | to incline or bend from a vertical position |
| seasons | they are caused by the tilt of the earth in relation to the sun. |
| equinox | either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of almost equal length |
| solstice | twice-yearly point at which the Sun reaches its greatest distance north or south of the equator |
| lunar cycle | The predictable 29-day cycle of the moon as it orbits Earth and progresses through several phases. |
| moon phases | The changing appearances of the Moon as seen from Earth, new moon, (waxing or waning) crescent moon, quarter moon, (waxing or waning) gibbous moon, and full moon |
| new moon | moon phase that occurs when the Moon is between Earth and the Sun, at which point the Moon cannot be seen because its lighted half is facing the Sun and its dark side faces Earth |
| first quarter moon | The moon's phase in which the moon appears as a half circle. The right half of the moon is visible as it grows toward a full moon. |
| Full moon | the time when the moon is fully illuminated |
| third/last quarter moon | The quarter moon after a full moon. |
| waxing | pertaining to the period during which the visible surface of the moon increases |
| waning | pertaining to the period during which the visible surface of the moon decreases |
| high tide | the highest point on shore that the ocean reaches (occurs when the sun and moon are in line) |
| low tide | the lowest point on shore that the ocean reaches (occurs when the sun and moon are not in line) |
| spring tide | When the tidal range is greatest. (full moon and new moon) |
| neap tide | a less than average tide occurring at the first and third quarters of the moon |
| Galilean moons | The name given to Jupiter's four largest moons, Io, Europa, Callisto & Ganymede. They were discovered independently by Galileo Galilei and Simon Marius. |
| asteroids | rocky metallic objects that orbit the sun but are too small to be considered planets |
| comets | balls of ice, rock, and dust in space with a tail |
| meteors | smaller chunks of small matter, that burn up in our atmosphere called shooting stars |
| gibbous | pertaining to the period during which the visible surface of the moon is greater than half |
| crescent | pertaining to the period during which the visible surface of the moon is less than half and crescent shaped |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.