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Name_________________________________________________________________ROY G BIV

Use the following graph to answer questions 1- 4. The graph shows the masses and volumes of four different earth materials, A, B, C, and D.

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1. Which material has the greatest density?

1. A

2. B

3. C

4. D

2. If the density of water is 1 g/cm3, which material will float in water?

1. A

2. B

3. C

4. D

3. What is the mass of sample C if its volume is 3.0 cubic centimeters?

1. 7.5 g

2. 2.1 g

3. 3.0 g

4. 21 g

4.  Which material has a density of 4.0 grams/cubic centimeter?

1. A

2. B

3. C

4. D

5.  The diagrams below represent two differently shaped blocks of ice floating in water.  Which diagram most accurately shows the blocks of ice as they would actually float on water?

|[pic] |[pic] |

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|[pic] |[pic] |

Use the following diagram to answer questions 6-9 The diagrams represent four solid materials, A, B, C, and D.  Some of their physical properties are shown.  The dimensions of the materials are recorded in centimeters.  The graph indicates the relationship between the mass and volume of materials B and C.

6. What is the density of sample A?

1. 0.25 g/cm3

2. 14 g/cm3

3. 56 g/cm3

4. 4.0 g/cm3

7.  What is the mass of another sample of material C whose volume is 5 cubic centimeters?

1. 8.0 g

2. 20 g

3. 32 g

4. 4.0 g

8. If the density for material D were plotted on the graph, where would this line be located?

1. between the line for material B and the x-axis

2. between the lines for materials B and C

3. between the line for material C and the y-axis

4. on the same line as material C

9.  If sample C were cut in half, the slope of the line for material C on the graph would

1. decrease

2. increase

3. remain the same

Use the following diagram to answer questions 10 -13. The diagram shows a process that is used to separate gypsum from shale on the basis of density. Crushed rock is dropped into a mixture of liquid and small particles, called a slurry. The data tables show the mass and volume of three samples of gypsum and three samples of shale after they were separated by this process.

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10. What is the average density of the three samples of gypsum?

1. 0.5 g/cm3

2. 2.0 g/cm3

3. 3.0 g/cm3

4. 8.7 g/cm3

11.  Since gypsum floats in the slurry and shale sinks in the slurry, which sequence shows the substances arranged in order from least dense to most dense?

1. shale, gypsum, slurry

2. gypsum, slurry, shale

3. shale, slurry, gypsum

4. slurry, gypsum, shale

12.  Which graph below best represents the mass and volume of the gypsum and shale samples?

[pic]

|[pic] |[pic] |

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|[pic] |[pic] |

13. A student weighs sample 3 of the shale and incorrectly determines the mass to be 16 grams.  Which equation should be used to calculate the student's percentage of error (percent deviation)?

1. [pic]

2. [pic]

3. [pic]

4. [pic]

14.  As air on the surface of Earth warms, the density of the air

1. decreases

2. increases

3. remains the same

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21. The data table below shows the mass and volume of three samples of the same mineral. Fill in the density column

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22. Which graph best represents the relationship between the density and the volume of these mineral samples?

|[pic] |[pic] |

|[pic] |[pic] |

|1. 1 |     |9. 3 |

|2. 4 |     |10. 2 |

|3. 1 |     |11. 2 |

|4. 2 |     |12. 3 |

|5. 3 |     |13. 1 |

|6. 4 |     |14. 1 |

|7. 2 |     |15. 4 |

|8. 2 | | |

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