Q: When a volume of water is cooled, the molecules move less vigorously, so same number of molecules takes up less space and the water is denser.  When Shane goes swimming in warmer water, he can move about quickly, whereas in cooler water, Shane's movement is faster or slower?
A: slower


Q: Older rocks are at the bottom and younger rocks are at the top.  Tom conducted an archaeological dig and compared some of the rocks he found. He noticed that the rocks at 2 feet deep were older or younger than the rocks at 20 feet deep?
A: younger


Q: However, the energy is diluted as an electromagnetic wave travels farther from its source because it spreads out over an ever-larger area.  Eric sends out an electromagnetic wave. Reid is 10 feet away and Will is 40 feet away. Who would have the weaker reading of the wave Will or Reid?
A: Will


Q: Acids have pH values below 7. The lower the pH value, the more strongly acidic the substance.  You can find tables that show the pH value of different fruits and vegetables. The fruits such as apples are barely acidic so they have a pH value that is higher or lower?
A: higher