Across
- 2. push or pull on an object
- 5. a measure of the compactness of a substance, expressed as its mass per unit volume
- 7. an object in motion stays in motion
- 8. the state in which one objects distance from another is changing
- 11. a substance, body, or system that conducts electricity, heat, etc.
- 14. a speed in any direction
- 16. of conservation of energy the law that states that energy cannot be created nor destroyed but can be changed from one form to another
- 20. the entity as a source of nuclear energy
- 21. fall when the only force acted on an object is gravity
- 22. the force that pulls objects towards each other
- 23. the rate in which the velocity changes
- 24. the force between two rubbing surfaces
- 25. velocity the maximum speed possible while free falling
- 27. force forces that produce a nonzero net force
- 29. the capacity of a physical system to do work
- 30. a flow of electric charge through a conductor
- 31. third law for every action there is an equal opposite reaction
- 33. the random thermal motion of atoms, molecules, clusters of atoms, et, in gases, liquids, and some solids
- 34. the amount of energy transferred or converted
- 35. force equal force acting on an object in different directions
- 36. second law the acceleration of an object depends on the mass of the object and the amount of force applied
Down
- 1. the product of a body's mass and velocity
- 3. energy the mechanical energy that a body has by virtue its position
- 4. quantity of matter
- 6. mechanical vibrations transmitted by an elastic medium
- 9. force the overall force on an object
- 10. energy the mechanical energy that a body has by virtue of its motion
- 12. the process by which masses of relatively warm air are raised into the atmosphere, often cooling and forming clouds, which compensatory downward movements of cooler air
- 13. point A place used for comparison to determine if something is in motion
- 15. produced by reactions involving atomic or molecular changes
- 17. constituting the core or central part
- 18. friction friction which keeps things still
- 19. a linear interval of space
- 26. plains a flat surface which has a slope
- 28. a deviation in the direction of a wave at the edge of an obstacle in its path
- 32. the distance an object travels per unit of time