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Introduction to Density Fall 2013- Day 1

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Introduction to Density Fall 2013- Day 1

1. 1. You will Need: 1)Pencil, Colored Pencil, Highlighters 2) One Blank sheet of Paper – Cornell Notes 3)Identifying Volume Lab – Due Now 4)Log #2 – Update Managers login
2. 2. Test #1 Takes and Retakes – Schedule w/me – only 3 more opportunities to complete this Parent Conferences – Next Week….Please get request form to me ASAP
3. 3. A substance’s density is the measure of the mass of material within a certain volume. (amnt of space taken up) The mass (amount of particles) is affected by how tightly packed the molecules are within the space.
4. 4. Blank Sheet Same Volume (amount of space) Different Volume
5. 5. Blank Sheet Same Volume/ Same Density (amount of space)
6. 6. Blank Sheet Same Volume/ Same Density (amount of space) Different Volume/ Same Density
7. 7. Blank Sheet Same Volume/ Same Mass Same Volume/ Diff Mass
8. 8. A B A and B = SAME VOLUME (same size)
9. 9. A B A and B = SAME VOLUME (same size) A B A and B = DIFFERENT MASS (amount of particles; different substance) Different Densities
10. 10. C D C and D = DIFFERENT VOLUME (different size) but same substance
11. 11. C D C and D = DIFFERENT VOLUME (different size) but same substance Same Densities- particles are packed the same way
12. 12. 1. VOLUME – amount of space • mL, cm3 , cc 2. MASS – amount of particles Any gram unit 3. DENSITY – how the particles are packed- RATIO • g/mL , g/cm3 , g/cc, kg/m3 CombinationUnits
13. 13. Sample Chemical Symbol Density g/cm3 Physical Attribute Lead Pb 11.3 Heaviest Mass Copper Cu 8.9 Orange Iron Fe 7.9 Magnetic/Rusts Brass Cu & Zn 8.6 Yellow Aluminum Al 2.7 Lightest Mass Zinc Zn 7.1 Dull Gray You will need this chart to ID substances.
14. 14. 1. Progress Notice – Due Thur 2. Review and Reflect on Introduction to Density Notes 3. Nothing else unless you owe me.