Physical Science Part 1

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Across
  1. 2. the ratio of the distance an object moves to the amount of time the object moves
  2. 3. the SI unit of power
  3. 6. a common unit of power, equal to 764 watts
  4. 8. the constant velocity of a falling object when the force of air resistance equals the force of gravity
  5. 9. a device that uses a pressurized fluid acting on pistons of different sizes to increase force
  6. 12. fluid friction acting on an object moving through the air
  7. 13. energy obtained from flowing water
  8. 14. the tendency of an object to resist a change in its motion
  9. 15. a system of objects that are not moving in respect to one another
  10. 19. the energy stored in atomic nuclei
  11. 20. the equivalence of the buoyant force on an object and the weight of the fluid displaced by the object
  12. 24. the SI unit of work
  13. 26. thermal energy beneath Earth's surface
  14. 29. a substance or mixture that flows and has no shape of its own
  15. 31. the result of a force distributed over an area
  16. 32. the overall force acting on an object after all the forces are combined
  17. 34. the product of distance and the force in the direction an object moves
Down
  1. 1. the length of the path between two points
  2. 4. a steady change in velocity
  3. 5. the ability of a fluid to exert an upward force on an object placed in it
  4. 7. the energy associated with the motion and position of everyday objects
  5. 10. the total distance traveled divided by the time it takes to travel
  6. 11. sunlight that is converted into usable energy
  7. 16. movement in relation to a frame of reference
  8. 17. a friction force that opposes the motion of an object through a fluid
  9. 18. the movement of an object toward Earth because of gravity
  10. 21. the energy associated with electric charges
  11. 22. the energy stored in chemical bonds
  12. 23. the curved path of an object in free fall after it is given an initial forward velocity
  13. 25. the SI unit of pressure, equal to 1 newton per square meter
  14. 27. the percentage of the work input that becomes work output
  15. 28. an upward force due to a pressure difference between the top and bottom of a wing
  16. 30. the fixed point a lever rotates around
  17. 31. the rate of doing work
  18. 33. a push or pull that acts on an object