ASVAB General Science (GS) Practice Test

1. Air is less dense than water because:

2. 100° C is equal to:

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

4. Salt helps to melt ice because it:

5. What is the world’s largest fish?

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

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

8. In common terms, H2O is known as:

9. 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:

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

11. When did the space shuttle first fly?

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

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

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

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

16. What is the chemical formula of table salt?

17. Which is not found in a cell?

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

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

20. At what temperature Celsius does water boil?

21. What happens when a liquid becomes gas?

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

23. What liquid is neither acidic nor basic?

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

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