Science FSA Vocabulary #3

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Across
  1. 1. The gravitational pull on an object; measure using a scale.
  2. 3. A form of energy resulting from the temperature difference between a system and its surroundings.
  3. 5. A change in direction of a wave that occurs as it passes from one medium to another of different density.
  4. 6. Energy stored in an object due to the object's configuration and position.
  5. 8. Concentration of matter of an object; number of individuals in the same species that live in a given area.
  6. 10. The product of a thorough blending of two or more substances, not chemically combined.
  7. 12. A reaction or change in matter from one form to another, without forming new substances.
  8. 14. Atoms rearranged to make a new substance.
  9. 15. The height of a wave from the center to the crest or center to the trough.
  10. 17. A subatomic particle having a positive charge and which is found in the nucleus of an atom.
  11. 18. Rate of change in velocity, usually expressed in meters per second; involves an increase or decrease in speed and/or a change in direction.
  12. 19. A quality tht tends to produce movement or acceleration of a body in the direction of its application; a push or a pull.
  13. 21. The time-rate at which a body changes its position; defined as displacement divided by time of travel.
Down
  1. 2. A substance that cannot be reduced to a simpler substance by chemical means.
  2. 4. A subatomic particle having zero charge, found in the nucleus of an atom.
  3. 7. The bouncing off or turning back of light, sound, or heat from a surface.
  4. 9. The amount of distance traveled, divided by the time taken; the time-rate at which any physical process takes place.
  5. 11. The energy possessed by a body because of its motion.
  6. 13. A substance made up of a combination of two or more elements held together by chemical bonds that cannot be separated by physical means.
  7. 15. The smallest unit of a chemical element that can still retain the properties of that element
  8. 16. A stable elementary particle that is negatively charged and orbits the nucleus of an atom.
  9. 20. A quantity that describes the capacity to do work; a source of usable power