Chemistry, Earth history, infecteases disease
chemistry- 8.p.1- Understand the properties of matter and changes that occur when matter interacts in an open and closed container.
-physical and chemical change- The changes matter undergoes are classified as either physical changes or chemical changes.
-elements, compounds, and mixtures- made of one type of atom, made of 2 or more atoms, and combination of 2 or more pure.
-periodic table- number of protons and elections in an atoms of one elements.
*Groups and periods- periodic table
*Metals, non-metals, metalloids- The metalloids separate the metals and nonmetals on a periodic table.
*Atomic number, atomic mass, protons, neutrons, and Electrons-
-law of conservation of mass- states that any system closed to all transfers of matter and energy.
-Geologic times scale
-Relative and absolute dating
*Virus, bacteria, fungi, parasite-
-Epidemic vs. pandemic
*Agriculture, Medicine, Economy