Final review
Across
- 3. speed which waves pass a particular point
- 11. energy of motion quantified by the relationship
- 13. amount of matter per unit volume
- 16. range of electromagnetic waves that extends in frequency from radio waves to gamma waves
- 19. scientific unit of force
- 20. smallest particle of an element
- 21. unit of electric current; rate of flow of 1 coulomb of charge per second
- 22. atoms of the same element containing different number neutrons
- 24. a push or a pull
- 25. property of a system that enables it to do work
Down
- 1. two or more atoms that bond together by sharing electrons
- 2. flow of electric charge that transports energy from one place to another
- 3. a wiggle in both space and time
- 4. property of things to resist changes in motion
- 5. collective name for a nuclear proton or neutron
- 6. region of magnetic influence around a magnetic pole
- 7. unit of frequency
- 8. a nucleon in an electrically neutral state
- 9. total energy of submicroscopic particles that make up a substance
- 10. transfer of energy by means of electromagnetic waves
- 12. combination of the nuclei of light atoms to form heavier nuclei
- 14. time required for half the atoms in a sample of a radioactive isotope to decay
- 15. speed of an object and specification of its direction of motion
- 17. study of heat and its transformation to different forms of energy
- 18. product of the mass of an object and its velocity
- 23. ratio of force to the area where force is distributed