ASVAB General Science Practice Test 918180

Questions 5
Topics Blood Cells, First Law of Motion, Meteoroids, Proton, Species

Study Guide

Blood Cells

Blood is created in bone marrow and is made up of cells suspended in liquid plasma. Red blood cells carry oxygen, white blood cells fight infection, and platelets are cell fragments that allow blood to clot.

First Law of Motion

Also known as the law of inertia, Newton's first law of motion states that An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

Meteoroids

Smaller rocks shed by asteroids and comets are called meteoroids. When these rocks reach Earth's atmosphere, they burn up in the mesosphere and become meteors. If a meteor manages to reach the Earth, it is called a meteorite.

Proton

A proton is a subatomic particle found in the nucleus of an atom. It carries a positive electric charge.

Species

The narrowest classification of life, species, contains organisms that are so similar that they can only reproduce with others of the same species.