PS.3a Density and Physical Properties
- 1. What is the formula for density?
A) density = mass x volume
B) density = volume divided by mass
C) density = mass divided by volume
D) density = volume - mass
- 2. What instrument do we use to take the mass of an object?
A) triple beam balance
B) metric ruler
C) beaker
D) graduated cylinder
- 3. What unit do we use to measure the mass of an object?
A) g/cm3
B) grams
C) mL
D) g/mL
- 4. What instrument do we use to take the volume of an irregular solid?
A) metric ruler
B) spring scale
C) triple beam balance
D) graduated cylinder
- 5. What instrument do we use to take the volume of a regular solid?
A) thermometer
B) spring scale
C) triple beam balance
D) metric ruler
- 6. What method do we use to measure the volume of an irregular solid?
A) water displacement
B) l x w x h
C) use a triple beam balance
D) estimate, based on masses of other similar objects
- 7. What is the formula for volume of a regular solid?
A) l + w + h
B) spring scale
C) length x width x height
D) d = m/v
- 8. What unit do we use for density of a liquid?
A) g/mL
B) g x mL
C) mL x g
D) g/cm3
- 9. What unit do we use for density of a solid?
A) mL x g
B) g x mL
C) g/cm3
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) 2 g/cm3
B) 45 g/cm3
C) 450 g/mL
D) 0.5 g/cm3
- 11. An object occupies 30 cm3 of space, and it has a mass of 15 grams. What is the density?
A) 45 g/mL
B) 2 g/cm3
C) 450 g/cm3
D) 0.5 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) 25 g/cm3
B) 1 g/cm3
C) 0.5 g/cm3
D) 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) 0.5 g/mL
B) 20 g/mL
C) 2 g/cm3
D) 10 g/mL
- 14. More dense things tend to -
A) sink
B) float
- 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) solubility
B) density
C) conductivity
D) malleability
E) flammability
- 17. Which of the following is not a physical property
A) acidity
B) state
C) melting point
D) luster
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