Review for Texas 6th grade science
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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| asteroid | small rocky body floating in space, mostly located in the asteroid belt and Kuiper belt, has no atmosphere
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| meteor | a meteoroid that has entered the Earth's atmosphere and started to burn, creating a white streak in the sky
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| meteoroid | small, rocky body moving randomly through space
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| meteorite | a meteor that does not burn up in the atmosphere and hits the Earth's surface
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| comet | a ball of rock, dust and ice moving in an elliptical orbit around the sun, gets a tail when it approaches the sun due to melting ice
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| satellite | any object, natural or man-made orbiting around another object
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| sun | medium sized star at the center of our solar system
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| orbit | path one object takes around another; planets orbit the sun due to a balance between the gravitational attraction between the sun and planet and the speed of the planet
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| revolution | moving around another object; Earth revolves around the Sun once a year
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| rotation | spinning on an axis; Earth rotates on its axis once a day
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| mass | the amount of matter in an object
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| weight | the force of gravity acting on an object
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| gravity | force all objects have due to their mass; amount of gravity depends on the mass of the objects and the distance between them
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| Newton's Law of Gravitation | all objects in the universe are attracted to all other objects
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| inertia | an object's resistance to any change in its motion
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| solar system | one star, eight planets, 150+ moons, dwarf planets, comets meteoroids and asteroids
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| Mercury | 1st planet from the sun, very hot and very cold
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| Venus | 2nd planet from the sun, toxic atmosphere, spins backward
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| Earth | 3rd planet from the sun, can support life, has a breathable atmosphere
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| Mars | 4th planet from the sun, called the red planet due to abundance of iron oxide on its surface
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| Jupiter | 5th planet from the sun, gas giant, red spot is a giant storm
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| Saturn | 6th planet from the sun, known for its many rings
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| Uranus | 7th planet from the sun, spins on its side, appears blue due to methane gas in its atmosphere
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| Neptune | 8th planet from the sun, gas giant, has rings, sister planet to Uranus
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| inner planet | rocky and terrestrial; Mercury, Venus, Earth, and Mars
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| outer planet | gas giant; Jupiter, Saturn, Uranus, and Neptune
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| asteroid belt | located between Jupiter and Mars; large area of asteroids orbiting the sun
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| dwarf planet | smaller than the other planets, located in the asteroid belt, Kuiper belt or past Neptune; 5 known so far
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| International Space Station | Orbits Earth, built by 16 countries, humans always aboard doing experiments; powered by solar panels
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| probe | unmanned space vessel that is sent far distances to observe space objects and phenomena
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| Space Shuttle | retired space vessel used to carry humans and cargo into space
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| Sputnik | first satellite to orbit Earth; launched by the Russians in 1957
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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:
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