Hen you melt glass, the glass changes from a solid to a liquid. when the heat source is removed and the melted glass is allowed to cool, it changes back into a solid.

the transfer of energy caused a change to the of glass.

Physics make-up packetname_cle14. an observer hears a sound with a frequency of 400 hz. if the speed of sound is 340 m/s,what is the wavelength of the sound? a. 0.85 mb. 1.2 mc. 2.75 m13.6 m15. as sound travels from steel into air, its speed decreases. if the frequency of the wavedoesn't change, what happens to its wavelength? a. it increases(b) it decreasesc. it remains the samed. there is not enough information given

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass