the words on the ten words quiz
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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| Black hole | a small, extremley dense object formed when a star remnant collapses
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| elliptical galaxy | a galaxy with an oval or near-spherical shape
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| Galaxy | a large group of stars, space dust, and gases that are held together by gravity
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| irregular galaxy | a galaxy that has neither a spiral nor an elliptical shape
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| light year | a unit of distance equal to the distance light travels in one year, or almost 9.5 trillion kilometers
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| luminosity | a measure of the energy output from the surface of a star per second
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| Milky Way Galaxy | the spiral galaxy to which our solar system belongs to
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| nuclear fusion | the joining of the nuclei of small atoms to form a larger stomic nucleus
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| spectroscope | a special telescope that can analyze visible light by acting like a prisom
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| spiral galaxy | a galaxy with "arms" that wind outward from the center, resembling a pin wheel
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| equinox | a point in Earth's orbit when the Earth is tilted neither toward nor away from the Sun
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| low tide | a falling of water
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| lunar eclipse | the casting of Earth's shadow on the moon when Earth is directly the moon and sun
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| neap tide | the tide with the least difference between high and low tide
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| optical telescope | a device that uses lenses or a combination of lenses and mirrors to gather visible light from space
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| space probe | a unmanned vehicle sent into space to relay data back to Earth
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| spring tide | a tide with the greatest difference between high and low tide
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| umbra | the darkest inner parts of a shadow
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| waning | becoming smaller;decrease in visibility of the sunlit portion of the moon
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| waxing | becoming larger;increase in visibility of the sunlit portion of the moon
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| high tide | a rising of water
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| Northern hemisphere | the region of Earth located above the equator
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| orbit | the path of a body in space around another body
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| penumbra | the outer part of a shadow
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| period of revolution | the time required for a planet to complete one orbit around the sun
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| period of rotation | the time required for a planet to complete one full turn on its axis
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| phase | a shape of the lit portion of the moon as seen from Earth
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| solar eclipse | the casting of the Moon's shadow on Earth when the Moon passes directly between the sun and Earth, blocking the suns light
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| solstice | a point in Earth's orbit when a hemisphere is tilted most toward or away from the sun
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| Southern hemisphere | region of Earth located below the equator
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| full moon | the phase of the moon in which the entire face of the moon appears lit
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| hyperbola | an open curve
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| lunar eclipse | the casting of Earth's shadow on the moon when the Earth is directly between the moon and sun
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| meteor | a streak of light produced when a meteoroid enters a planet's atmosphere
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| meteorite | a small rocky or rock grain that strikes Earth's surface
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| meteoroid | a small rocky body that travels in space
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| model | a representation of something that can be used to study, show, or explain how it functons
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| near-Earth asteroid | an asteroid that crosses Earth's orbit
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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.
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Created by:
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