Q: The farther the sound waves travel away from the source, the more spread out their energy becomes.  If Milo is listening to the radio and he moves to the far end of the room, what happens to the sound waves entering his ear they spread out less or they spread out more?
A: they spread out more


Q: The more branching there is in isomers, the lower the boiling and melting points are.  Lead has a lower or higher melting point than steel because it has more branching?
A: lower


Q: A higher-frequency wave has more energy than a lower-frequency wave with the same amplitude.  If Mona is producing sound waves by listening to her radio at night and she turns down the volume, what happens to the amount of energy being produced by the radio increases or decreases?
A: decreases


Q: The stratosphere contains the ozone layer, the temperatures increase as altitude increases.  Dean is going into space, and passes through the stratosphere. He looks at the temperature around him as he does, and he sees that as he heads into space, the temperature increases or decreases?
A: increases