ASVAB General Science (GS) Practice Test

1. What is the chemical formula of table salt?

2. In degrees Celsius, at what point does pure water freeze?

3. In common terms, H2O is known as:

4. What is the principal gas in the Earth’s atmosphere?

5. Newton’s First Law of Motion, which states that objects in motion continue moving unless influenced by an external force, and objects at rest remain stationary unless influenced by an external force, is also known as the law of:

6. What happens when a liquid becomes gas?

7. Approximately what percentage of the average adult human body is composed of water?

8. 100° C is equal to:

9. Which is not a part of the human eye?

10. In the field of genetics, what term is used to refer to an organism’s appearance?

11. Which of the following elements is a not a metal?

12. Which element is necessary in the formation of rust?

13. Air is less dense than water because:

14. Which of the followings are not considered greenhouse gases?

15. Which is not found in a cell?

16. Salt helps to melt ice because it:

17. When did the space shuttle first fly?

18. In which atmospheric layer is the ozone layer located?

19. What does the tilt of the Earth’s rotational axis toward or away from the sun cause?

20. What liquid is neither acidic nor basic?

21. At what temperature Celsius does water boil?

22. What is the world’s largest fish?

23. What type of symbiotic relationship occurs when one member benefits while the other is harmed?

24. Which of the following is equal to the atomic number of a chemical element?

25. Which of the following device is used to measure electrical current?