ASVAB General Science (GS) Practice Test

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

2. Salt helps to melt ice because it:

3. When did the space shuttle first fly?

4. Air is less dense than water because:

5. In common terms, H2O is known as:

6. Which is not found in a cell?

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

8. 100° C is equal to:

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

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

11. What liquid is neither acidic nor basic?

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

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

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

15. 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:

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

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

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

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

20. What is the world’s largest fish?

21. What happens when a liquid becomes gas?

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

23. What is the chemical formula of table salt?

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

25. At what temperature Celsius does water boil?