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mixture of gases in atmosphere, mostly nitrogen, oxygen, carbon dioxide, and water Unscramble each of the clue words. Copy the letters in the numbered cells to other cells with the same number. Density of Earth's Materials state of matter without a definite size or shape; example air small unit of matter state of matter with a definite size and shape; example crust measure of how much heat energy is in a substance; measured in metric degrees Celsius form of energy, measure of kinetic energy of the particles property of matter; how much space an object takes up liquid that covers over half of the earth’s surface outer layer of the earth containing air state of matter with a definite size but a indefinite shape; example outer core the smallest particle of an element that has the properties of the element innermost layer of the earth consisting of Fe and Ni outer layer of the earth made up of rocks and minerals property that describes how closely packed the particles are movement of material from a crowded area to a less crowded area a representation or working version created to understand something that is too big, too small, or too complicated to understand otherwise property that measures the amount of matter in an object smallest unit of a compound, made of two or more atoms chemically combined anything that has mass and volume the thickest layer inside earth located beneath the crust and above the outer core Visit Puzzlemaker at Name __________________________ Date Period Experiment Density of a Rock Problem: (8 points) Research: Define: Density (10 points) Size independent Size dependent Citation: Glencoe iScience page 195 year_________ Hypothesis: (12 points) 1. If the rock has a density in the range of ________________, then it is from the ____________ layer of the earth because Procedure: (Write Details of the steps so any sixth grader will understand.) (16 points) Describe Safety Considerations: Gather these Materials (LIST): 1. Measure mass by 2. Measure volume by 3. Determine Density by Observations: (8 points) Identify the source of the rock. (Where you found the rock) Show all math problems. Label correct units. (8 points) Mass = Volume = Density = Conclusion: (8 points) P. H.