Physical Science Part 1

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