Across
- 4. the energy of moving electrons
- 8. conversions K H D (g,m,l) d c m
- 9. the force that pulls objects toward Earth
- 11. a push or pull
- 12. force It can cause an object to start moving, stop moving, or change direction
- 14. the law that states that energy cannot be created or destroyed but can be changed from one form to another
- 15. energy the energy an object has due to its motion
- 17. The tendency of an object to resist change in its motion
- 19. When the only force acting on a object is gravity.
- 21. The rate at which velocity changes change in speed/change in time distance/time/time; m/s2, km/hr/sec
- 23. friction When two solid slides over each other.
- 24. distance travelled per unit time change in distance/change in time m/s, km/hr, cm/s
- 26. A littler longer than a yard
- 27. When an object rolls over a surface.
- 28. energy stored in the nucleus of an atom
- 30. the energy of light and other forms of radiation
- 31. The force on a person or object at the surface of a planet
- 34. An object that is thrown
- 36. the rule that in the absence of outside forces the total momentum of objects that interact does not change
- 38. velocity This velocity, the greatest velocity the object reaches.
- 39. System of Units A system based on the number ten
- 41. the rate of doing work measured in watts (work/time)
- 43. energy that is stored in readiness
- 44. When an object moves through a fluid.
- 47. speed in a given direction
- 48. kinetic or potential energy associated with the motion or position of an object
- 49. upward pushing force, which is greater than the downward pull of gravity, resulting in an upward direction
- 50. The amount of mater in something, measured in grams, kg
Down
- 1. the total kinetic and potential energy of all the particles in a sample of matter
- 2. The force that one surface exerts on another against each other.
- 3. force Equal forces on an object in opposite direction
- 5. Objects falling through air experience is a type of fluid friction.
- 6. potential energy that depends on the height of an object
- 7. He proved experimentally that one of the basic quantum-mechanics laws
- 10. any force that causes an object to move in a circle
- 13. He discovered relativity, mass-energy equivalence and was instrumental in developing quantum theory
- 16. energy stored in chemical bonds
- 18. It's distance from another object is changing.
- 20. In any situation on an object after all the forces acting on an object
- 22. An X-ray crystallographer who made critical contributions to the understanding of the structure of DNA
- 25. The energy of stretched or compressed objects
- 29. a change from one form of energy to another
- 32. the product of a body's mass and its velocity m x v
- 33. Laws an object at rest willl stay at rest, and an object in motion will stay in motion at constant velocity unless acted upon by an unbalanced force
- 35. the capacity to do work; measured in joules
- 37. a unit of power equal to 1 joule per second
- 40. coal, oil, natural gas, and other fuels that are ancient remains of plants and animals
- 42. Point A place or object used for comparison to determine if something is in motion
- 45. A unit of measure that equals the force required to accelerate one kilogram of mass at 1 meter per second per second
- 46. Meitner The physicist who coined the term "Nuclear Fission"