A(n) ___________ is the smallest unit of matter.

Which of the following is NOT an element?

An element is determined by the number of _________ in the atom's nucleus.

The atomic mass of an element is based on the number of protons and neutrons in an atom's nucleus.

A(n) _____________ is an atom with an electrical charge.

Which of the following is NOT an example of a mineral?

Minerals are made up of elements and compounds.

Of all the physical characteristics used to identify minerals, color is the most useful since every mineral has its own specific color.

______________ is the way light reflects off of the surface of the mineral.

________________ is the color of the mineral in its powdered form.

According to Moh's Scale of Hardness, _________ is the hardest mineral on Earth.

Minerals are made of rocks.

This type of rock forms from the cooling and crystallization of magma and lava.

The rock cycle shows that any type of rock can be changed into any other type of rock.