Test #1 – Parent Signature + 5 corrections and WHY YOU MISSED THEM- Due tomorrow Test #1 Retakes – Schedule on front board.

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Test #1 – Parent Signature + 5 corrections and WHY YOU MISSED THEM- Due tomorrow Test #1 Retakes – Schedule on front board.

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Test #1 – Parent Signature + 5 corrections and WHY YOU MISSED THEM- Due tomorrow Test #1 Retakes – Schedule on front board

Class Notes Topic: ________________________ Questions/Main Ideas: Name ________________________________________ Class ________________________________________ Period ________________________________________ Date _____________________________________ Notes: Intro to Density 1. What is mass effected by? 2. Will changing the volume change the density? How tightly packed the particles are in a substance. vs. A block of iron has very tightly packed compared to aluminum. NO. Density is a RATIO between mass and volume….the particles remain packed the same way no matter what the size of the sample.

3. What are three ways to find volume? 1)Use a G.C. 2)bxh 3)displacement 4. Will changing the volume change the mass? Yes. You will have more particles so mass will increase. BUT the density is the same. vs.

5. Will changing the mass change the density? 6. Will changing the volume change the mass? The density? Yes. You will have more particles so mass will increase. Density is the same because particles are packed the same way. vs. Yes, less particles per volume = less density. vs.

The length is 3 cm the width is 4 cm and the height is 5 cm. The length is 4 dm, the width is 6 dm and height is 9 dm. The volume is? The length is 10 m, the width is 4 meters the height is 7 meters. The volume is?

SampleChemical Symbol Density g/cm3 Physical Attribute LeadPb11.3 Heaviest Mass CopperCu8.9Orange IronFe7.9 Magnetic/Rusts BrassCu & Zn8.6Yellow AluminumAl2.7Lightest Mass ZincZn7.1Dull Gray Copy chart onto Cornell Notes

SubstanceMass g Volume cm 3 Density g/cm 3 4. Cube 1 5. Cube 2 6. Cube 3 7.Cube 4 8. Cube 5 9. Cube 6

Please Circle EITHER Same or Different….then complete the Sentence.

Answer in complete sentences: 11. Explain why a substance, such as iron, cut into different sizes, would still have the same DENSITY.

1.Test #1 – Signature + 5 Corrections & why you missed them Due tomorrow