Mid-Year Review

Chemistry, Earth History,Infectious Diseases

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 Properties

Physical: Measured without changing it.

Chemical: Reactive

-Physical and Chemical Change

Physical: Doe's not form a new substance

Chemical: Form's a new substance and makes different property's

-Elements, Compounds, and Mixtures

-Periodic Table

*Groups and Periods

Groups are up and down, and Periods are left to right.

*Metals, Non-Metals, Metalloids

*Atomic Number, Atomic Mass, Protons, Neutrons, and Electrons

-Law of Conservation of Mass


Earth History

-Law of Superposition

-Index Fossils

-Ice Cores

-Geologic Time Scale

-Relative and Absolute Dating

-Half-Life/Radioactive Decay


Infectious Diseases


*Virus, Bacteria, Fungi, Parasite

Virus: Non-living has to attach it self to a host-cell and reproduces by it. Bacteria: living transmitted by strep throat. Fungi: living, transmitted by gym showers and sweat. Parasite: living moves on their own moves to one organism to the next organism.

-Epidemic vs. Pandemic

Epidemic: Infects small community's and small towns

pandemic: infects large places and is world wide.


Viruses can be prevented by vaccine's. Bacteria can be treated by antibiotics. Fungi can be treated with medicine shampoos, and anti-fungal creams



*Agriculture, Medicine, Economy