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Physical or Chemical Changes? Branches of Science Matter $100 $100 $100 $100 $200 $200 $200 $200 $300 $300 $300 $300 $400 $400 $400 $400 $500 $500 $500 $500 Vocab. Studies physics & chemistry Physical Science Science of living things Biology Studies the composition of matter & its changes Chemistry Biological, Physical & Earth Sciences together Natural Science Studies forces & energy Physics 3 main phases Solid, liquid, & gas The simplest form of matter Element The simplest particle of an element that retains all the properties Atom A substance made of two or more different elements that are chemically bonded Compound Is the simplest part of a substance that retains all of the properties of the substance and can exist in a free site Molecule Applied Science Technology Usually use mathematical equations to explain something observed Quantitative statements Describe in words something that you have seen many times Qualitative statements A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept Model A combination of two or more substances that are NOT chemically combined Mixture Melting ice Physical Burning wood Chemical Tearing a piece of paper Physical Baking cupcakes Chemical Fermenting Chemical Physical or Chemical Properties? Mixtures Misc. Element or Compound? $100 $100 $100 $200 $200 $200 $300 $300 $300 $400 $400 $400 $500 $500 $500 $100 $200 $300 $400 $500 Rusting Chemical Boiling Point Physical Density Physical Flammability Chemical Mass Physical Mixtures are formed by these Pure Substances The components are evenly distributed Homogeneous mixture The components are unevenly distributed Heterogeneous mixture Homogenous mixture of liquids Miscible mixture Heterogeneous mixtures of liquids Immiscible mixture Houses information about the elements The Periodic Table Subatomic particles within an atom Protons, neutrons, & electrons The number of protons in an atom Atomic number The average mass of the atoms in an element Atomic mass The total number of protons and neutrons Mass number Water Compound Sodium Element Xenon Element Sodium hydrogen carbonate Compound Glucose Compound Diatomic Molecules List all of the diatomic molecules. Hydrogen, Iodine, Bromine, Oxygen, Nitrogen, Chlorine, and Fluorine
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