Physical Science Word Wall Review

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Across
  1. 2. the change in an object’s position with respect to time and in comparison to the position of other objects used as reference points
  2. 3. a solid substance that forms and separates from a solution
  3. 6. energy that is stored in a system or object
  4. 7. a substance that takes part in and undergoes change during a reaction
  5. 11. a substance that is made of only one type of atom or molecule
  6. 12. the rate of change of position or distance traveled with respect to time
  7. 13. the total amount of potential and kinetic energy in a system
  8. 15. as one variable increases, the other variable decreases
  9. 17. a material that does not easily transfer thermal energy
  10. 19. matter cannot be created or destroyed during a chemical reaction
  11. 21. as one variable increases, the other variable increases or as one variable decreases, the other variable decreases
  12. 23. method or means of changing one or more chemicals or chemical compounds
  13. 26. has mass and takes up space; matter occurs as elements, compounds, and mixtures
  14. 27. materials made by humans
  15. 28. characteristic that can only be observed or measured when atoms of matter rearrange during a chemical change
  16. 29. energy cannot be created or destroyed, it can only change forms
  17. 30. a resource which can be replaced naturally
  18. 35. a short, easy way to show a chemical reaction, using symbols
  19. 36. two or more different atoms bonded together in a set ratio or proportion
  20. 37. a push or pull upon an object resulting from the object's interaction with another object
  21. 38. the total kinetic (motion) energy of tiny particles that make up matter
  22. 42. energy that is related to the motion of an object or system
  23. 43. physical and chemical characteristics of matter used to describe or identify a substance
  24. 44. a material that can transfer thermal energy easily
  25. 46. a force of air that acts against an object’s motion
Down
  1. 1. characteristic that can be observed or measured without changing the substance; for example, color, melting point, or conductivity
  2. 2. two or more substances which can be separated physically
  3. 4. used as a general term for the atoms and molecules that make up all matter
  4. 5. transfer of thermal energy between solids by direct contact
  5. 8. the process by which one or more substances change to produce one or more different substances
  6. 9. transfer of thermal energy through electromagnetic waves
  7. 10. a description of the composition of a substance using atomic symbols with numeric subscripts
  8. 14. pure substances composed of only one type of atom that cannot be broken down into any other substances
  9. 16. a resource for which there is a limited supply
  10. 18. a state of matter with a definite volume, but no definite shape
  11. 20. a state of matter with a definite shape and volume
  12. 22. the ability of a system to do work; energy is required for changes to happen within a system.
  13. 24. resources that exist in the environment without human intervention
  14. 25. the amount of matter in an object
  15. 31. all of the living and nonliving factors in an area
  16. 32. a number used in a chemical formula to express how many atoms of a specific element are in the substance
  17. 33. movement of energy from one system to another
  18. 34. a substance that is produced after a reaction has occurred
  19. 36. transfer of thermal energy within liquids or gases by circular movement of air
  20. 39. the simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically
  21. 40. the average kinetic energy of all the particles in a material
  22. 41. a force exerted against an object caused by rubbing against a surface or other object
  23. 44. solid material whose atoms, molecules or ions are arranged in a repeating pattern
  24. 45. a state of matter with indefinite shape and volume
  25. 47. the smallest part of an element, made of electrons, protons and neutrons