PS.3a Density and Physical Properties
- 1. What is the formula for density?
A) density = volume - mass
B) density = volume divided by mass
C) density = mass divided by volume
D) density = mass x volume
- 2. What instrument do we use to take the mass of an object?
A) triple beam balance
B) beaker
C) metric ruler
D) graduated cylinder
- 3. What unit do we use to measure the mass of an object?
A) mL
B) g/mL
C) g/cm3
D) grams
- 4. What instrument do we use to take the volume of an irregular solid?
A) triple beam balance
B) spring scale
C) metric ruler
D) graduated cylinder
- 5. What instrument do we use to take the volume of a regular solid?
A) triple beam balance
B) spring scale
C) thermometer
D) metric ruler
- 6. What method do we use to measure the volume of an irregular solid?
A) estimate, based on masses of other similar objects
B) use a triple beam balance
C) water displacement
D) l x w x h
- 7. What is the formula for volume of a regular solid?
A) d = m/v
B) l + w + h
C) spring scale
D) length x width x height
- 8. What unit do we use for density of a liquid?
A) g x mL
B) g/cm3
C) mL x g
D) g/mL
- 9. What unit do we use for density of a solid?
A) g/cm3
B) g x mL
C) mL x g
D) g/mL
- 10. What is the density of an object that has a mass of 30 grams and a volume of 15 cm3?
A) 450 g/mL
B) 0.5 g/cm3
C) 45 g/cm3
D) 2 g/cm3
- 11. An object occupies 30 cm3 of space, and it has a mass of 15 grams. What is the density?
A) 0.5 g/cm3
B) 45 g/mL
C) 2 g/cm3
D) 450 g/cm3
- 12. An object has a mass of 25 grams and has a length of 5 cm, a width of 1 cm, and a height of 5 cm, what is it's density?
A) 5 g/cm3
B) 1 g/cm3
C) 25 g/cm3
D) 0.5 g/cm3
- 13. An oject 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/cm3
- 14. More dense things tend to -
A) float
B) sink
- 15. 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
- 16. Which of the following is not a physical property?
A) malleability
B) flammability
C) density
D) conductivity
E) solubility
- 17. Which of the following is not a physical property
A) melting point
B) acidity
C) luster
D) state
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