Across
- 4. electromagnetic radiations with a frequency
- 7. a reflective surface
- 10. the distance between successive crests of a wave
- 12. The feel, appearance, or consistency of a surface or substance.
- 14. change of a solid into a liquid
- 15. a miniature semiconductor t
- 20. a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
- 21. the degree or intensity of heat present in a substance or object
- 23. What alliteration is measured in
- 24. the number of waves that pass a fixed point in unit time
- 25. the number of hydrogen atoms replaceable by a base in a particular acid.
- 26. a semiconductor device that essentially acts as a one-way switch for current
- 27. a band of colors
- 30. the spreading of waves around obstacles.
Down
- 1. a measure of how quickly a specific material is capable of catching fire and burning
- 2. a machine by which mechanical energy is changed into electrical energy
- 3. the emission of energy as electromagnetic waves
- 4. An object which is capable of producing magnetic field and attracting unlike poles and repelling like poles.
- 5. The positively charged particles that are inside the nucleus of an atom.
- 6. anything that takes up space and can be weighed
- 8. A speed in direction
- 9. subatomic particles found inside the nucleus of every atom
- 11. firm and stable in shape; not liquid or fluid.
- 13. an imaginary line about which a body rotates
- 16. take in or soak up
- 17. a distinctive smell
- 18. the property of a sound and especially a musical tone
- 19. The rate of change of position of an object in any direction
- 22. rate at which velocity changes with time, in terms of both speed and direction
- 28. a rotating machine that transforms electrical energy into mechanical energy
- 29. the sensation perceived by the sense of hearing