Across
- 4. the negatively charged particle of an atom
- 8. the movement of electrons from atom to atom
- 9. the formation of film on the contact surface
- 10. a substance that cannot be chemically broken down and contains atoms of only one variety
- 11. a standard on practices for the design and installation of electrical products
- 12. a law that states that opposite charges attract, and like charges repel
- 15. the process of charging an object
- 16. anything that has mass and occupies space
- 19. matter that has neither definite volume nor definite shape
- 21. a material that has a very high resistance to the flow of electrons
- 22. the smallest particle that an element can be reduced to and still maintain the properties of that element
- 23. a material that has low electrical resistance and permits electrons to move through it easily
Down
- 1. electricity produced either by pressure, light, heat, chemical action, or magnetism
- 2. an electrical charge at rest
- 3. the flow of electrons in a conductor
- 5. a combination of the atoms of two or more elements
- 6. electrons in the outermost shell of an atom
- 7. matter that has a definite volume and shape
- 12. matter that has a definite volume but not a definite shape
- 13. a material that exhibits electrical conductivity between that of a conductor (high conductivity) and that of an insulator (low conductivity)
- 14. the positive (+) or negative (-) state of an object
- 17. the neutral particle with a mass approximately the same as a proton and exists in the nucleus of an atom
- 18. the positively charged particle in the nucleus of an atom
- 20. the smallest particle that a compound can be reduced to and still possesses the chemical properties of the original compound