Physical Science Part 1

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