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Density

Test Description: Questions relating to density

Instructions: Answer all questions to get your test result.

1) As air is warmed how does its density change?

AIt increases BIt decreases CCannot say, because it depends on other factors DIt remains the same

2) When small particles settle through water faster than large particles, the small particles are probably

Aflatter Bmore dense Clighter Dbetter sorted

3) The density of a mineral is determined by its mass and

Ashape Bluster Chardness Dvolume

4) Saturn's volume is 762 times the volume of Earth, and yet its mass is only about 95 times that of Earth's mass. This is due to Saturn's

Alow density Btemperature Cdistance from the sun Dthousands of rings

5) When placed in water, ice rises to the top of the liquid. Unlike most solids that sink when placed in their liquid forms, ice floats because

Agases inside the ice make it buoyant Bit is less dense than water Cit is colder than water Dthe pressure of the water holds it up

6) As air on the surface of the Earth warms, the density of the air

Aremains the same Bincreases Cdisappears Ddecreases

7) If the shape and size of the four mineral samples below are the same, which mineral will settle most slowly in water?

AMagnetitie with a density of 5.2 gms/cm3 BQuartz with a density of 2.7 gms/cm3 CSiderite with a density of 3.9 gms/cm3 DCinnabar with a density of 8.2 gms/cm3

8) A boat will float higher in the Atlantic Ocean than it will in the Potomac River because ocean water has

Aa greater density Ba lower freezing point Cmore oxygen in it Dmore organisms in it

9) Density is the mass of material divided by volume. If an object has a mass of 50g, and a volume of 25cm3, what would the density be?

A20.0 g/cm3 B2.0 g/cm3 C0.02 g/cm3 D0.20 g/cm3

10) What would the volume of an irregular object be if you dropped it into a beaker filled with 100 mL of water and the water was displaced to 150 mL?

A100 mL B250 ml C150 mL D50 mL

*select an answer for all questions

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