6 65 A. 6.5 c. 650 d. 6,500 11. Russel's heart beats around 90 times per minute. How many times will his heart beat in 2 seconds? A. 6 b. 15 c. 20 d. 30 12. One liter of water is equivalent to A 100 ml b. 10 ml c. 1000 ml d. 10,000 ml 13. What is the freezing point of water ? A. 0°C b. 0° F c. 100°C d. 373.15K 14. Which of the following is NOT a unit of volume? A. Hectare (ha) b. cubic inches (in) c. Liter (L) d cubic meter (m) 15. The average mass of an adult person is about: A. 6 kg b. 60 kg c. 600 kg d. 6000kg 16. The temperature in a cool day in Dagupan is about: A 30c b. 10° C C. 24°C d. 35°C 17. The weight of a grain of salt is about: A. 1 mg C. 10 g d. 100g 18. The time it takes to sing Philippine national anthem is about: A. 30 sec b. 2 minutes c. 5 minutes d. 1 hour 19. A glass of water holds about: A. 250ml b. 400 ml C. 1 liter d. 3 liters 20. A cavan of rice weighs approximately: A. 70 kg b. 40 kg c. 60kg d. 35kg hol who is fiver b. 10 mg