ASVAB General Science Practice Test 4

Question 1

Which planet in our solar system has the most moons?

Accepted Answer

Saturn

Answer

Saturn holds the record for the most confirmed moons in our solar system, surpassing Jupiter with over 140 known moons as of recent discoveries.

Question 2

What type of rock forms from the cooling and solidification of magma or lava?

Accepted Answer

Igneous

Answer

Igneous rocks form when molten rock (magma underground or lava at the surface) cools and solidifies; granite and basalt are common examples.

Question 3

What is the function of red blood cells?

Accepted Answer

Carry oxygen throughout the body

Answer

Red blood cells contain hemoglobin, an iron-containing protein that binds oxygen in the lungs and transports it to tissues throughout the body.

Question 4

Which of the following best defines acceleration?

Accepted Answer

Rate of change of velocity over time

Answer

Acceleration is defined as the rate at which an object's velocity changes over time, measured in meters per second squared (m/s²).

Question 5

What is the atomic number of an element determined by?

Accepted Answer

Number of protons

Answer

The atomic number equals the number of protons in an atom's nucleus and uniquely identifies the element on the periodic table.

ASVAB - Armed Services Vocational Aptitude Battery Practice Test