Physical Science Vocab

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Across
  1. 1. Forces on an object that cause change in the motion of the object
  2. 6. A negatively charged subatomic particle of the electron cloud;
  3. 7. The transfer of heat in a fluid (liquid or gas)
  4. 8. Measure of the average kinetic energy of particles of matter in an object
  5. 11. A form of charge, designated negative, positive, or neutral (without charge) that is found on the subatomic particles that make up all atoms
  6. 12. A substance formed during a chemical reaction
  7. 16. Two opposite electrical charges do this
  8. 19. Chemical formulas and symbols written to represent a reaction
  9. 20. A force between two surfaces rubbing against each other
  10. 21. The change from a gas to a liquid phase
  11. 26. The transfer of heat energy between objects that are touching
  12. 27. The transfer of energy through matter or space as waves
  13. 29. The sum of all forces acting on an object
  14. 30. the measurement of distance traveled over time
  15. 31. Two alike electrical charges do this to each other
  16. 34. The height of a wave
  17. 35. The substances present before a chemical reaction
  18. 36. The amount of space an object takes up
  19. 39. The change from liquid phase to gas phase
  20. 41. The bending of light when it passes through a liquid.
  21. 42. Forces of an object that do not change the motion of the object
Down
  1. 2. The mass of all reactants must be equal to the mass of all products
  2. 3. The energy of motion
  3. 4. The subatomic particle that is without charge
  4. 5. The process by which one or more substances change to produce one or more different substances
  5. 6. A reaction that gets cold because heat energy is absorbed from the surroundings
  6. 9. Change of an object's speed or direction
  7. 10. Light bounces back off of a surface.
  8. 13. Electromagnetic waves with longer wavelengths than visible light
  9. 14. When an object takes in, or holds Attractlight.
  10. 15. The number of times a wave passes by a fixed point
  11. 17. The measurement of the proportion of a substances mass and volume. D = m/v
  12. 18. The amount of matter in an object
  13. 22. Stored energy
  14. 23. Provide us with visible light spectrum, the colors we see
  15. 24. Anything that has mass and volume
  16. 25. The smallest unit of an element that has all of the properties of that element
  17. 28. The tendency of an object to remain still or continue moving unless an unbalanced force is applied
  18. 32. A reaction that gets hot because heat energy is released
  19. 33. A substance that cannot be separated into simpler substances by physical or chemical means
  20. 37. The distance between two corresponding points on adjacent waves
  21. 38. A push or a pull
  22. 40. The positively charged subatomic particle