You slowly rub your wet finger around the thin rim of a wine glass while you hold its base firmly to a tabletop with your other hand. The resulting sounds illustrates

The dew that forms on a cold soda can when taken from a refrigerator is due to

San Francisco has milder winters than Washington D.C. due to water’s high

A star that is twice as hot as another has twice the

When salt is introduced to water, the temperature at which freezing occurs is

A suitable electric pump in an electric circuit is a

If you were caught in freezing weather with only a candle for warmth, you would be warmer in

The net electric charge on a current-carrying wire is normally

The specific heat capacity of aluminum is more than twice that of copper. Place equal masses of aluminum and copper wire in a flame and the wire to heat up quickest will be

The overflow of gasoline from a car’s full metal tank on a hot day is evidence that gasoline expands