ASVAB General Science (GS) Practice Test

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

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

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

4. At what temperature Celsius does water boil?

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

6. What is the chemical formula of table salt?

7. Which is not found in a cell?

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

9. What happens when a liquid becomes gas?

10. 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:

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

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

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

14. 100° C is equal to:

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

16. What liquid is neither acidic nor basic?

17. What is the world’s largest fish?

18. Salt helps to melt ice because it:

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

20. When did the space shuttle first fly?

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

22. Air is less dense than water because:

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

24. In common terms, H2O is known as:

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