Across
- 1. the law of Reflection states that the angle of ___________equals the angle of reflection
- 3. a _______ is when a sound wave bounces back towards it source
- 5. ________ sonic is when an object is traveling FASTER than the speed of sound
- 10. a common type of longitudinal wave that occurs in the air is a ___________________ wave
- 11. lines of destructive interference are called ____________ lines
- 12. these spots are areas of a room or theater where sound in destructively interfering and you cannot hear it as well
- 14. The Energy due to an object height is called ___________________ Potential Energy
- 16. an_________ tube will resonate the tube length is ½ the wavelength
- 17. how often a wave occurs is called ___________. It is measured in hertz.
- 18. the height of a wave is called the waves___________ and measure the energy of the wave
- 19. a _________ tube will resonate the tube length is ¼ the wavelength
- 23. when a wave enters a new medium at an angle it can change it’s _____________
- 25. when a waves enter a new medium it changes it’s __________
- 26. _______sonic is when the frequency being played is ABOVE the human hearing range of 20,000Hz
- 27. if a beam of light strikes a material at an angle larger than the _____________ angle it will Totally Internally Reflect
- 28. Red,Blue & Green light all produce ___________ light
- 29. a material has a large _____ of refraction if it is very dense, like a diamond
- 30. The Energy of Motion is called ___________________ Energy
Down
- 2. microwaves, Gamma Rays, Infrared and Ultraviolet are all part of the _______________ spectrum
- 4. ________ sonic is when an object is traveling SLOWER than the speed of sound
- 6. The Energy due to a spring is called ___________________ Potential Energy
- 7. when two similar musical notes are played together they can produce a _______ frequency
- 8. _______sonic is when the frequency being played is BELOW the human hearing range of 20,000Hz
- 9. the observed change in frequency due to a moving object or observer is called the ________ effect
- 13. the distance from a crest to a crest or a compression to a compression is called __________
- 15. Waves where the particles move PERPENDICULAR to the wave direction are called _____________________ waves
- 20. waves where the particles move PARALLEL to the wave direction are called _____________________ waves
- 21. The Energy due to a Friction is called ___________________ Energy
- 22. Energy ___________________ is when Energy is not created or destroyed, only changed from one form to another
- 24. a common type of transverse wave that occurs in the ocean is a ___________________ wave