Across
- 2. A rod or spindle around which a wheel or other device rotates
- 3. The resistance encountered when two objects move against each other
- 5. The ratio of useful output energy or work to the input energy or work
- 6. A simple machine that consists of a wheel with a grooved rim and a rope or chain
- 7. Chart A diagram that represents a process or system
- 9. The tendency of an object to resist changes in its motion
- 10. The transfer of heat through the movement of fluids or gases
- 13. Speed in a given direction
Down
- 1. The transfer of heat or electricity through direct contact
- 2. The rate at which an object's velocity changes over time
- 4. A material that does not allow electricity or heat to pass through it easily
- 8. The transfer of thermal energy between objects
- 11. Machine A machine made up of two or more simple machines
- 12. A simple machine with a sharp edge used to split or separate objects