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Name: __________________________________________ Date: __________________ Density Determination Problem: Which substances have the highest density? Which have the lowest? Materials: Cube, rectangle, marble, unknown liquid, water, ruler, cylinder, balance. Hypothesis: Identify which substance has the highest and which has the lowest density in a complete sentence. Procedure: Find the density of the following substances. Be sure to record every measurement taken and observations. Show all your work. 1. Metal Cube: 2. Metal Rectangle: 3. Marble: 4. Unknown Liquid: Mass: _______________g Length: _______________cm Width: _______________cm Height: ________________cm Volume: _______________cm3 Density: _______________g/cm3 Mass: _______________g Length: _______________cm Width: _______________cm Height: _______________cm Volume: _______________cm3 Density: _______________g/cm3 Mass: _______________g Water volume: _______________mL Water and marble: _______________mL Marble volume: _______________mL Density: _______________g/mL Mass of cylinder: _______________g Mass of cylinder&liquid: ____________mL Mass of liquid: _______________mL Length: _______________mL Density: _______________g/mL Questions: Answer in complete sentences. 1. Using the table below, what is each object made out of? Metal Cube: __________________ Metal Rectangle: __________________ Marble: __________________ Unknown Liquid: __________________ 2. Are any of the objects the same substance? Explain. ____________________________________________________________________________________ ____________________________________________________________________________________ 3. The density of water is 1.00g/mL. Which of the substances you tested would float and which would sink? Explain your predictions. ____________________________________________________________________________________ ____________________________________________________________________________________ Material Lead Copper Brass Iron Zinc Aluminum Glass Glycerol Wood Oil Ethanol Density (g/cm3) 11.34 8.93 8.60 7.90 7.10 2.70 2.25 1.25 0.93 0.92 0.79 Water 1.00