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52 Cards in this Set
- Front
- Back
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The state in which an object's distance from another is changing.
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Motion
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A place or object used for comparison to determine if an object is in motion.
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Reference Point
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The distance an object travels in one unit of time.
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Speed
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Speed in a given direction
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Velocity
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A push or pull exerted on an object.
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Force
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A force that is exerted when two substances are rubbed together; electrons are transferred by the rubbing.
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Friction
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The force that pulls objects toward each other.
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Gravity
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A measure of how much matter is in an object.
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Mass
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The line or course along which something moves, lies, or points.
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Direction
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The space or amount of space between two points.
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Distance
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To explain the meaning of.
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Interpret
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The point or area occupied by a something.
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Position
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A measurement of duration, or rate of.
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Time
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To equal or make equal in weight.
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Balanced
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Degree of brightness.
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Magnitude
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The substance of the universe.
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Matter
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Not in a state of balance.
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Unbalanced
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A tiny particle.
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Atom
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A Substance made of two or more chemical elements chemically combined.
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Compound
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A tiny, negatively charged, high-energy particle that moves around the nucleus of an atom.
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Electron
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A substance in which all the atoms are alike and which cannot be broken down into other substances.
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Element
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A combination of two or more atoms.
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Molecule
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Small uncharged particles in the nucleus of an atom.
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Neutron
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A chart of the elements showing the repeating pattern of their properties.
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Periodic Table
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Small, positively charged particles in the nucleus of an atom.
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Proton
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Solid, liquids, and gas
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States of Matter
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Vibrating rapidly
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Vibrate
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A Substance made of two or more chemical elements chemically combined.
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Compound
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A tiny, negatively charged, high-energy particle that moves around the nucleus of an atom.
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Electron
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A substance in which all the atoms are alike and which cannot be broken down into other substances.
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Element
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A combination of two or more atoms.
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Molecule
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Small uncharged particles in the nucleus of an atom.
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Neutron
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A chart of the elements showing the repeating pattern of their properties.
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Periodic Table
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Small, positively charged particles in the nucleus of an atom.
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Proton
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Solid, liquids, and gas
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States of Matter
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Vibrating rapidly
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Vibrate
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Objects revolving around the sun that are too small and too numerous to be considered planets.
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Asteroid
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The average distance from Earth to the sun - Abour 150 million kilometers.
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Astronomical Unit
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An imaginary line that passes through Earth's center and the North and South poles, about which Earth rotates.
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Axis
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A ball of ice and dust whose orbit is a long, narrow ellipse.
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Comet
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A giant structure that contains hundreds of billions of stars.
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Galaxy
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The distance that lights travels in one year.
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Light Year
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The galaxy of which the solar system is a part and which contains the stars that make up the Milky Way.
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Milky Way Galaxy
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Heavenly body other then a comet, asteroid, or staellite that travels in orbit around the sun.
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Planet
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The bouncing back of a wave when it hits a surface through which it cannot pass.
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Reflection
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The movement of an object around another object.
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Revolution
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The spinning motion of a planet about its axis.
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Rotation
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Any object that travels around another object in space.
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Satellite
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A star with the group of heavenly bodies that revolve around it.
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Solar System
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A natural body visible in the sky especially at night that gives off light or shines by reflection.
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Stars
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The star around which the planets revolve, from which they receive heat and light.
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Sun
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All of space and everything in it.
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Universe
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