1. Light travels in a   Straight Line   Circular Path   Parabolic Path   Hyperbolic Path   Hint Half-n-half Clue   2. How much heat is required to raise the temperature of 1g of water by 1 oC.   100 Calories   1 Calorie   1 Joule   100 Joules   Half-n-half Clue   3. Conductors have a _______ resistance.   Unknown   High   Low   Intermediate   Half-n-half Clue   4. The high pitched cries of a bat are above human hearing.   True   False   5. What is the speed of sound in air in meters per second (at a pressure of one atmosphere and temperature of 25oC)?   230   330   110   490   Half-n-half Clue   6. What is the name of the point where light rays from infinity coverge after passing through a lens?   Focus   Parabola   Center   Infinity   Half-n-half Clue   7. By which of the following methods does heat transfer not take place?   Conduction   Radiation   Convection   Refraction   Half-n-half Clue