Science Chapter 6
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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| Satellite | Is a body that orbits a planet.
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| Planet | Is an object that orbits the sun, is a large enough to have become rounded by its own gravity, and cleared the area of its orbit.
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| Meteors | Is a streak of light produced when a small object burns up entering Earth's atmosphere.
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| Comet | Is a cold mixture of dust and ice that gives up a long trail of light as it approaches the sun.
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| Star | Is a giant ball of hit gas, mainly composed to hydrogen and helium.
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| Constellation | Is a pattern or group of stars that people imagined to represent a figure animal or object.
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| Axis | The imaginary line that passes through Earth's center and the North and South poles.
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| Rotation | The spinning of Earth on its axis.
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| Revolution | Is the movement of one object around another.
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| Orbit | Is a slightly elongated circle, or ellipse.
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| Calendar | Is a system of organizing time that defines the beginning, length, and divisions of a year.
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| Solstice | The sun appears farthest north of the equator once each year and farthest south once each year.
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| Equinox | The noon sun is directly overhead at the equator, rises due east, and sets due west.
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| Gravity | Attracts all objects toward each other.
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| Law of Universal Gravitation | States that every object in the universe attracts every other object.
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| Mass | Is the amount of matter in an object.
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| Weight | The measure of the force of gravity on an object.
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| Interia | The tendency of an object to resist a change in motion.
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| Newton's First Law of Motion | Says that an object at rest will stay at rest and an object in motion will stay in motion with constant speed and direction unless acted on by a force.
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| Phases | The different shapes of the moon you see from Earth. They are caused by the motions of moon around Earth.
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| Eclipse | When an object in space comes between the sun and a third object, it casts a shadow on that object.
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| Solar Eclipse | Occurs when the moon passes directly between Earth and the Sun, blocking sunlight from Earth.
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| Umbra | The very darkest part of the moons shadow.
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| Penumbra | The largest part of the shadow.
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| Lunar Eclipse | Occurs at the full moon when Earth is directly between the moon and the sun.
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| Tides | The rise and fall of ocean water that occurs every 12.5 hours or so.
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| Spring tide | The combined forces produce a tide with the greatest difference between consecutive low and high tides.
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| Neap Tide | The suns pull is at right angles to the moons pull.
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| Maria | Are hardened rock formed from huge lava flows that occurred 3-4 billions year ago.
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| Craters | Large round pits.
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| Meteroroids | Chucks or rock or dust from space.
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| Force | Is a push or a pull.
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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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