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KEY Name__________________________________________ Class___________ Period______ Date:________________ Mr. Calder Check-in: Matter I. Classify each of the following as a homogeneous mixture, a heterogeneous mixture, an element, or a compound: 1. Air: Homogeneous Mixture 2. Chocolate chip cookie: Heterogeneous Mixture Compound 3. H2O: 4. Sulfur: Element 5. Iron: Element Compound 6. Iron Sulfide: 7. Raisin bran: Heterogeneous Mixture 8. Mud: Heterogeneous Mixture 9. Gatorade: Homogeneous Mixture 10. 18 k Gold: Homogeneous Mixture II. Label each diagram below as: a. solid, liquid, or gas b. elements only, compounds only, or elements and compounds c. heterogeneous mixture, homogeneous mixture, or pure substance 1 2 3 4 5 Gas Liquid Gas b.Elem&Comp Comp Elem Elem Hom. Mix Pure Het. Mix a. c. Gas Pure Solid Elem Het. Mix III. Name 2 physical properties for each substance listed below that would allow it to be separated from the others: 1. copper bb’s = Round, not magnetic, sink in water, copper color 2. saw dust = Floats, can blow away, not magnetic 3. sugar = dissolves in water, goes through a strainer 4. iron bb’s = Round, magnetic, sinks in water, grey 5. sand = Sinks in water, goes through a strainer