Astronomy
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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| Sun | the largest star that the Earth and other planets move around. It gives the planets heat and light.
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| Comet | is like an asteroid but comets display a trail of ice and gas when orbiting close enough to the sun.
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| Asteroid | is a large rock sometimes miles wide that orbits the Sun. They sometimes crash into Earth and are called meteorites.
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| Planet | A ____________________must orbit the sun. It must have enough gravity to maintain a spherical shape.
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| Moon | the large solid object that circles the Earth and that shines at night by reflecting light from the sun.
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| The names of the planets in order. | Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
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| Rotation | to move in a circle around a central point or axis.
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| Axis | An line about which a rotating body turns.
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| What causes day and night? | The Earth rotates on its axis from west to east which takes 1 day or 24 hours to fully rotate.
At all times 1/2 of Earth is lit by the Sun and 1/2 of the Earth is in darkness.
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| Revolution | to move around a single point in a circular motion.
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| Tilt | To cause to slope as by raising one end; incline, lean, slope or slant.
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| What causes the seasons? | The Earth's revolution and tilt cause the seasons.
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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:
jhulshoff
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