Physical Science Terms

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Across
  1. 1. a device that helps do work by either overcoming a force or changing the direction of the applied force
  2. 3. simple machine that consists of an inclined plane wrapped in a spiral around a cylindrical post
  3. 9. The distance from any point on a wave to an identical point on the next wave
  4. 12. a simple machine that is a straight, slanted surface, which facilitates the raising of loads; a ramp
  5. 15. a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
  6. 18. a circuit in which the parts are joined in branches such that the potential difference across each part is the same.
  7. 19. a property of matter that describes a substance's ability to participate in chemical reactions
  8. 20. a force of attraction between objects that is due to their masses
  9. 21. groups of two or more atoms held together by chemical bonds
  10. 22. the energy that an object has because of the position, shape, or condition of the object
  11. 24. matter with a definite shape and volume
  12. 26. a testable idea or explanation that leads to scientific investigation
  13. 29. a wave consisting of electric and magnetic fields oscillating at right angles to eachother
  14. 33. a change from one state (solid or liquid or gas) to another without a change in chemical composition
  15. 34. a measure of the amount of matter in an object
  16. 35. The rate at which velocity changes over time.
  17. 36. the smallest component of an element having the chemical properties of the element
  18. 37. the law that states that mass cannot be created or destroyed in ordinary chemical and physical changes
  19. 40. a simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope
  20. 41. a longitudinal wave that is caused by vibrations and that travels through a material medium
  21. 42. the rate at which charges pass through a given point; measured in amperes
  22. 44. A combination of two or more substances that are not chemically combined
  23. 46. a periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium
  24. 47. any pieces of information acquired through observation or experimentation
  25. 51. a characteristic of a substance that does not involve a chemical change, such as density, color, or hardness
  26. 56. the ratio of the mass of a substance to the volume of the substance
  27. 57. the energy transferred between objects that are at different temperatures
  28. 58. a substance that cannot be separated or broken down into simpler substances by chemical means
  29. 60. a push or pull exerted on an object
  30. 61. an object's change in position relative to a reference point
Down
  1. 1. the process whereby heat changes something from a solid to a liquid
  2. 2. a force that opposes motion between two surfaces that are in contact
  3. 4. a solid that forms from a solution during a chemical reaction
  4. 5. a change that occurs when one or more substances change into entirely new substances with different properties
  5. 6. The transfer of energy carried by light waves to particles of matter.
  6. 7. the capacity of a physical system to do work
  7. 8. the transfer of energy by electromagnetic waves
  8. 10. The force of attraction or repulsion on a charged particle that is due to an electric field
  9. 11. a circuit in which the parts are joined one after another such that the current in each part is the same
  10. 13. a change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
  11. 14. simple machine with a rigid bar that pivots around a fulcrum
  12. 16. the conversion of a liquid to a vapor when the vapor pressure of the liquid equals the atmospheric pressure
  13. 17. the law that states that energy cannot be created or destroyed but can be changed from one form to another
  14. 23. the tendency of an object to resist being moved or, if the object is moving, to resist a change in speed or direction until an outside force acts on the object
  15. 25. the action that results when a force causes an object to move in the direction of the force
  16. 27. the speed of an object in a particular direction
  17. 28. the energy of an object that is due to the object's motion
  18. 30. the force of attraction or repulsion generated by moving or spinning electric charges
  19. 31. A state of matter with no definite shape or volume
  20. 32. the maximum distance that the particles of a wave's medium vibrate from their rest position
  21. 34. a pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept
  22. 38. a simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects
  23. 39. anything that has mass and takes up space
  24. 43. a substance made up of atoms of two or more different elements joined by chemical bonds
  25. 45. a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation
  26. 48. the highness or lowness of a sound
  27. 49. any material that attracts iron or materials containing iron
  28. 50. the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
  29. 52. the transfer of thermal energy by the circulation or movement of a liquid or gas
  30. 53. matter that has a definite volume but no definite shape
  31. 54. the bending of a wave as the wave passes between two substances in which the speed of the wave differs
  32. 55. a simple machine that is made up of two inclined planes and that moves; often used for cutting
  33. 59. a physical environment in which phenomena occur