Use these General Science ASVAB practice test questions as part of your ASVAB preparation to see what categories you should focus your study time on and to learn what to expect on the actual ASVAB test. Share this page on twitter or like us on Facebook or Google Plus to see the Answers and Explanations for free.
ASVAB Practice Questions | General Science Set 1
Question 1: The summer solstice is the ________?
(A) longest day of the year.
(B) hottest day of the year.
(C) the Fourth of July.
(D) last day of summer.
Question 2: How many chambers does the human heart contain?
Question 3: Which of the following is an arachnid?
(B) fire ant
(D) black widow
Question 4: Why is air is less dense than water?
(A) it is lighter.
(B) its molecules are further apart.
(C) its molecules are closer together.
(D) it moves more quickly and easily.
Question 5: 100° C is equal to how many degrees Fahrenheit?
(A) 32° F.
(B) 100° F.
(C) 200° F.
(D) 212° F.
ASVAB Practice Questions | Answers & Explanations
Question 1 – (A) longest day of the year
Explanation – The summer solstice is the longest day of the year. The summer solstice marks the onset of summer, at the time of the longest day.
Question 2 – (B) 4
Explanation – The heart consists of four chambers: the right and left atrium and the right and left ventricle.
Question 3 – (D) black widow
Explanation – Black widows are arachnids, air-breathing arthropods characterized by simple eyes and four pairs of legs, otherwise known as spiders.
Question 4 – (B) its molecules are further apart.
Explanation – Air is less dense than water because the molecules that make up water are closer together than the molecules in air.
Question 5 – (D) 212° F.
Explanation – C is Celsius and F is Fahrenheit C = 5/9(F-32) or F = 9/5C + 32
Converting 100 degrees Celsius to Fahrenheit
9/5(100) + 32 = F
180 + 32 = F
212 = F