Science MCQs

An ammeter measures the amount of current in an electric circuit.

An atom is the smallest particle of an element that retains its properties.

The atomic number is the number of protons in the nucleus of an atom.

The audible frequency range is the range of sound frequencies detectable by an ear.

The Big Bang Theory states the universe began with a tremendous explosion.

A black hole's gravity prevents anything including light from escaping.

Blood circulation is the movement of blood through the heart and vessels.

Blood vessels are tube-like structures that transport blood.

A chemical change alters the composition of a substance.

A chemical formula uses symbols and valencies to represent a compound.