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
chemical property- when properties can only be observed during a chemical reaction.
physical change- dose not form a new substance
chemical change- substances are changed to new substance
periodic table- has all the elements in the world for example oxygen and hydrogen.It has vertical lines called groups and horizontal groups called periods
groups and periods- groups are columns that are vertical lines on the periodic table, periods are columns that are horizontal
metals,non-metals and metallioids- metals are on the left metalloids and non metals are combined
Atomic Number, Atomic Mass, Protons, Neutrons, and Electrons- there are three parts of an atom protons, neutrons, (both inside the nucleus) and electrons (outside of nucleus).
the law of conservation of mass states that matter can not be created or destroyed.
vocabulary- mixture-a combination of two or more objects elements- building blocks of matter, solution substance made as a result of a mixture, compound- when to or more elements are chemically combined, matter-liquid, solid and gas, atom- the basic building block for all matter
index fossil- a fossil that is useful for because you can tell the temp.