Vocabulary Set #1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| The spinning motion of a body, such as a planet, about an internal axis; one complete turn in such motion. | Rotation
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| The scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies and phenomena. | Astronomy
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| The fundamental force of attraction that all objects with mass have for each other. At the atomic level, gravity plays a small role but for objects that have very large masses such as planets, stars, and galaxies gravity is the predominant force. | Gravity
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| The lowest tides of the lunar month, which occur in the second and fourth quarters of the moon. | Neap Tide
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| The orbital motion of one body, such as a planet or satellite, around another. | Revolution
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| Typically a large celestial body, smaller than a star but larger than an asteroid, that does not produce its own light but is illuminated by light from the star(s) around which it revolves. | Planet
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| A closed, symmetric curve shaped like an oval, which can be formed by intersecting a cone with a plane that is not parallel or perpendicular to the cone's base. | Ellipse
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| The total or partial obscuring of one celestial body by another. A solar eclipse occurs when the moon passes between the sun and the earth; a lunar eclipse when the earth passes between the sun and the moon. | Eclipse
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| The natural satellite revolving around a planet, visible by reflection of sunlight; our moon travels around Earth in a slightly elliptical orbit at an average distance of about 381,600 km. The Moon's average diameter is 3,480 km. | Moon
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| Either of two times of the year when the sun is at its greatest distance from the celestial equator. The summer solstice in the Northern Hemisphere occurs about June 21, the winter solstice occurs about December 21. | Solstice
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| The periodic variation in the surface level of the oceans and of bays, gulfs, inlets, and estuaries, caused by gravitational attraction of the moon and partially by the gravity of the sun. | Tide
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| The star at the center of our solar system. It is a gaseous body having a highly compressed core, in which energy is generated by thermonuclear reactions surrounded by less dense zones serving to transport the energy to the surface. | Sun
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| Either of the two times during a year when the sun crosses the celestial equator and when the lengths of day and night are approximately equal; the vernal equinox or the autumnal equinox. | Equinox
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| A physicist who studies astronomy. | Astronomer
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| The joining together of atomic nuclei, especially hydrogen or other light nuclei, to form a heavier nucleus, especially a helium nucleus. | Nuclear Fusion
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| The exceptionally high and low tides that occur at the time of the new moon or the full moon when the sun, moon, and earth are approximately aligned. | Spring Tide
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
kkiebler
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