Chemistry,Earth History,Infectious Disease's
Chemistry-8.P.1-Understand the properties of matter and changes that occur when matter interacts in an open and closed container
-Odor ,Mass,Density,State ,ect.
-Chemical Properties:A characteristic that you can only observe by changing the identity of the substance.
-Flammability. Reactivity, Oxidation, Toxicity
-Physical Change:Any change that does not involve a change in the substance's chemical identity.
- Painting something
-Chemical Change:Any change in matter that results in the formation of a new chemical substance.
-Elements:Can not be separated any further
-Compound:Can be only separated chemically not physical
-Mixture:2 or more pure substances that are held together physically not chemically.
-Heterogeneous:You can see the individual parts and separated easily.
-Oil and water,Sand,salad
-Homogeneous:Cant see individual parts,not separated easily.
-Periodic Table:A list of all the known elements.
-Horizontal Rows-They are called periods.
-Vertical Rows- They are called groups
-The 2 main groups the table is divided by is metals and non-metals.
-Metals:The farther to the left the more metallic properties.
- Non-metals:The farther to the right the less metallic properties.
-Metalloids(Transition Metals): Is a small group that touches the zigzag.
-Atomic Mass: Protons and Neutrons
-Atomic Number- Is the same as the number of electrons and protons
- Protons and Electrons: Is the same number as the atomic number
-Neutrons:Take the atomic mass and subtract the number of protons.
-Law of Conservation of mass: Matter cannot be created nor destroyed;it can only be transferred from state to state.
Earth History-8.E.2-Understand the history of earth and its life forms based on evidence of change records and land forms
-Index Fossils:Fossils with widely distributed organisms that only lived one short period of time.
-Ice Cores: Block of ice that tell the climate of that snowfall.
-Geologic Time Scale:A system with different eras of the earth.
-Relative and absolute dating:Absolute dating is knowing the specific time.Relative is just knowing which one is older or younger.
-Half-Life:Time it takes for half of the isotopes to decay.
-Radioactive Decay:A form of finding the age of a fossil or rock.
-Parasites:Living thing,and moves by its own organism to the next.
-Fungi:Living thing,and transmits through sweat of other body fluids.
-Bacteria:A living thing,and transmits through air and surfaces.
-Virus:A non-living thing that can transmits through air or surfaces.
-Epidemic:An outbreak in a small community o one continent.
-Pandemic:An outbreak through out many continents in the world.
-Prevention and treatment:Viruses can only be prevented with a vaccine.Antibiotics only treat bacteria.
-Biotechnology:The use of living cells,bacteria,ect.,to make useful products.
-There are many jobs involved in this field,like for example agricultural and food science technician,animal technician ect..
-Here in NC its especially useful because one of our main things is agricultural so this can help our economy.
-Genetic Engineering:The science of making changes to the genes of a plant or animal to produce desired result.
-GMO: An organism of microorganism whose genetic material has been altered,by means of genetic engineering.
-Cloning:To make copy or imitation of.
-DNA:Is the molecule that contains genetic code of organism.
Bio-Remidation: Use microorganism of other forms of life to consume and break down environmental pollutants in order to clean.