World and Waste
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. Deaf
A. The distance between two points in the same phase in consecutive cycles of a wave
2. Decibel
B. Division of a usually ___ divided leaf
3. Echo
C. A logarithmic unit of sound intensity
4. Frequency
D. The phenomenon of a propagating wave being thrown back from a surface
5. MiddleEar
E. A heavy block of iron or steel on which hot metals are shaped by hammering
6. Noise
F. People who have severe hearing impairments
7. Pinna
G. A reply that repeats what has just been said
8. Pitch
H. Sound of any kind
9. Tension
I. A state of mental or emotional strain or suspense
10. Wave Length
J. The number of occurrences within a given time period
11. hammer
K. The part of a gunlock that strikes the percussion cap when the trigger is pulled
12. Anvil
L. The property of sound that varies with variation in the frequency of vibration
13. Reflection
M. The main cavity of the ___