1. Each of the two dumbbell-shaped steel indices in the Six's maximum and minimum thermometer is reset to its initial position by a _______.   magnet   steel spring   2. The temperatures of boiling water and melting ice are typically used to calibrate thermometers.   True   False   3. _______ is used in a clinical thermometer.   Mercury   Alcohol   Water   Hint Half-n-half Clue   4. The two dumbbell-shaped steel indices in the Six's maximum and minimum thermometer are pushed by the _______.   Mercury   Alcohol   5. The liquid used in the bend of the U-tube in the Six's maximum and minimum thermometer is _______.   Mercury   Alcohol   6. A temperature rise of 20oC causes mercury to expand and rise 8 cm in a thermometer tube. If the tube cross-sectional area is doubled, the mercury will rise by _______ cm.   4   8   12   16   Half-n-half Clue   7. A mercury thermometer is suitable for directly measuring the flame temperature of a candle.   True   False