ASVAB General Science Practice Test 3

Question 1

Newton's first law of motion states that an object at rest will remain at rest unless acted upon by a(n):

Accepted Answer

Unbalanced net force

Answer

Newton's first law (law of inertia) states that an object's state of motion changes only when a net unbalanced force acts on it.

Question 2

Which of the following is an example of a chemical change rather than a physical change?

Accepted Answer

Burning wood

Answer

Burning wood is a chemical change because new substances (ash, carbon dioxide, water vapor) are formed with different properties.

Question 3

The process by which water vapor cools and turns into liquid water is called:

Accepted Answer

Condensation

Answer

Condensation occurs when water vapor loses thermal energy, slows down, and changes state from gas to liquid.

Question 4

Which blood type is considered the universal donor for red blood cell transfusions?

Accepted Answer

Type O negative

Answer

Type O negative blood lacks A, B, and Rh antigens, so it can be transfused to patients of any blood type without triggering an immune reaction.

Question 5

Which of the following best describes an element?

Accepted Answer

A substance made of only one type of atom

Answer

An element is a pure substance composed entirely of atoms with the same atomic number and cannot be broken down into simpler substances by chemical means.

ASVAB - Armed Services Vocational Aptitude Battery Practice Test

ASVAB - Armed Services Vocational Aptitude Battery Practice Test

ASVAB General Science Practice Test 3