1	Absorb		_____	substance sound travels through
2	Audible sound		_____	lens that curves inward
3	Emitted		_____	bent
4	Medium		_____	bounced off
5	Pitch		_____	a dark area or shape produced by a body coming between rays of light and a surface
6	Vibrating		_____	amount of energy flowing from one body of matter to another
7	Volume		_____	a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
8	Reflected		_____	take in or soak up
9	Refracted		_____	moving back and forth very quickly
10	Concave		_____	sent out
11	Convex		_____	quality of a sound governed by the rate of vibrations producing it
12	Heat		_____	lens that curves outward
13	Prism		_____	sound that can be heard
14	Shadow		_____	loudness or softness of a sound