1. What instrument is used to measure atmospheric pressure?   ammeter   hydrometer   thermometer   barometer   Hint Half-n-half Clue   2. A concentrated solution of salt water is called _______   vinegar   broth   brine   molasses   Half-n-half Clue   3. If the radius of a circle is r, its circumference is _______   2 π r   ½ π r   π r   π r2   Half-n-half Clue   4. Who lived in Never-never Land?   Popeye   Polly   Peter Pan   Pinnochio   Half-n-half Clue   5. Which of these is a sea animal with long tusks?   otter   dolphin   seal   walrus   Half-n-half Clue   6. The current flowing in an electric wire is measured in _______   volts   ohms   amperes   watts   Half-n-half Clue   7. Who invented television?   John L. Baird   Michael Faraday   Thomas Alva Edison   Alexander Graham Bell   Half-n-half Clue