Everyday Science Online Test 3

1. What is the name of the instrument that measures the speed of wind ?

2. Thermal energy is an energy due to ____________ ?

3. The unit of distance used in navigation is ?

4. If the reading in a barometer shows an abrupt fall, the chances are that the weather will be ?

5. Which of the following is nearest to earth ?

6. The age of a tree, in years can be ascertained by ?

7. Moon has no atmosphere because ?

8. When there is a decrease in the concentration of oxygen in the blood, the rate of breathing ?

9. Petrol fire can be extinguished by ?

10. The drug obtained from the bark of cinchona, was used for treating malaria. The synthetic drug which replaced the natural product is ?

11. The term ' global warming' means ?

12. Normal temperature of human body is ?

13. The pound appears shallower than it actually is, due to ?

14. In the Fahrenheit scale, the number 32 corresponds to ?

15. The disease dropsy affects ?