The principle of uniformitarianism states that the processes that happen today ... 

Who is credited with the idea of uniformitarianism? 

The main types of chemical bonding are 

When atoms SHARE electrons 

When atoms GIVE & TAKE electrons 

Water is an example of a polar molecule

Covalent bonds are weak and it does not take much energy to break them. 

A mineral must have which of the following characteristics? 

A crystal is a solid in which atoms are arranged in an regular, repeating pattern. 

Inorganic means made from carbon compounds found in living things

Which of these is a physical property of minerals? 

A fracture or cleavage describes how a mineral breaks. 

Mass divided by volume 

A chemical compound is two or more elements combined together. 

Color is the best way to identify a mineral 

Minerals can form by 

Magma is melted rock outside of Earth's crust. 

Crystals that form inside Earth's crust are larger than those that form on Earth's surface.