Buoyancy and Density

- 1. What is the formula of density?
A) D=mass/volume B) D= volume x mass C) D=mass-volume D) D= volume/mass - 2. What unit do we use to measure the mass of an object
A) g/mL B) g/cm ^{3}C) grams D) mL - 3. What instrument do we use to take the mass of an object?
A) graduated cylinder B) beaker C) triple beam balance D) metric ruler - 4. The amount of space inside an object is called ____________ .
A) area B) mass C) volume D) density - 5.
An object with high volume and low mass has ___________.
A) high density B) low density - 6. An object with low volume and high mass has ____________.
A) high density B) low density - 7. To measure the volume of an object we can use this method...
(click all that Apply)
A) water displacement B) object dropping C) Archimedes Principle D) water measurement E) weighing it on a scale - 8. ________ is a measure of how much mass is contained in a given unit of volume.
A) Weight B) Buoyancy C) Length D) Density - 9. The density of fresh water is _______.
A) 4g/cm ^{3}B) 2g/cm ^{3}C) 1g/cm ^{3}D) 3g/cm ^{3}- 10. Will an object with a density of 0.85g/cm
^{3}sink or float in fresh water?
A) sink B) float - 11. What is the density of an object with a mass of 125g and a volume of 176mL?
D = mass/volume
A) 1.408 B) 1.25 C) 7.10 D) 0.71 - 12. If an object has the following dimensions (length=6 cm, width=3cm, height= 1.5cm) and a mass of 36 grams, what would its density be?
D = mass/volume
A) 1,333g/cm ^{3}B) 1.33g/cm ^{3}C) 7.5g/cm ^{3}D) 0.75g/cm ^{3}- 13. What is the formula for volume of a regular solid?
A) v = l x w x h B) water displacement C) estimate, based on masses of other similar objects D) triple beam balance - 14. What method do we use to measure the volume of an irregular object solid
A) estimate, based on masses of other similar objects B) water displacement C) triple beam balance D) water displacement - 15. What is the density of an object that has a mass of 15 gram and a volume of 15 cm
^{3}?
A) 450 g/mL B) 0.5 g/cm ^{3}C) 1 g/cm ^{3}D) 45 g/cm ^{3}- 16. More dense things tend to
A) sink B) float - 17. What unit do we use to measure the density of of a liquid?
A) mL x g B) g x mL C) g/mL D) g/cm ^{3}- 18. An object has a mass of 10 grams. If I lower it into a graduated cylinder that already has 50 mL of water in it, the water level rises to 70 mL. Calculate the density.
A) 10 g/mL B) 0.5 g/mL C) 20 g/mL D) 2 g/cm ^{3}- 19. Object A has a density of 0.75 g/mL. Object B has a density of 1.25 g/mL. Water has a density of 1.00 g/mL. Which object will sink to the bottom of the water?
A) Object B B) Object A - 20. What unit do we use for density of a solid?
A) g/cm ^{3}B) mL x g C) g x mL D) g/mL |

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