Solar System
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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| Solar System | Consists of the sun,planets, their moons,meteors,asteroids and comets.
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| Milky Way Galaxy | The galaxy in which our solar system is located.
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| Gravity | The force that pulls two objects together; it pulls us toward earth and it keeps the planets in motion around the sun.
The attractive force between two objects; its magnitude depends on their masses and the distance between them.
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| Astronomy | The study of the moon,stars and other objects in space.
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| Axis | An imaginary line that passes through Earth's center and the north and south poles, about which Earth rotates.
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| Rotation | The spinning motion of a planet about its axis.
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| Revolution | The movement of an object(planets revolve around the sun;moons revolve around their planets.
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| Orbit | The path of an object as it revolves around another object in space
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| Tides | The daily rise and fall of Earth's waters on shores.
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| Satellite | Any object that revolves around another object.
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| Phase | One of the different shapes of the moon as seen from earth.
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| Crater | A round pit on the moon's surface.
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| Maria | Dark,flat regions on the moon's surface.
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| Core | The central part of the sun, where nuclear fusion occurs.
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| Comet | (dirty snowball) a ball of ice and dust whose orbit is usually a long,narrow ellipse; it has a "glowing tail" up to 100 million miles long.
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| Asteroids | (minor planets or planetoids): objects revolving around the sun that are too small and too numerous to be considered planets.
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| Asteroid Belt | The region of the solar system between the orbits of mars and jupiter, where many asteroids are found.
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| Meteroid | A chunk of rock or dust in space.
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| Meteor | (shooting start): a streak of light in the sky produced by the burning of a meteroid in Earth's atmosphere.
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| Meteorite | A meteroid that has hit Earth's surface.
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| Space station | A man made laboratory orbiting the Earth.
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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.
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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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