Density Test Review

Density Test Review
1. What is the density of an object that has a
mass of 25g and a volume of 50 ml?
1. What is the density of an object that has a
mass of 25g and a volume of 50 ml?
Answer: 0.5 g/ml
2 pts (1 for number, 1 for units)
2. Define volume in your own words.
2. Define volume in your own words.
Answer: Volume is the amount of space an object takes up.
1 pt
3. List 2 examples of units we could use for
density?
Hint: List answers with commas or in bullet statements
3. What are two units we could use for
density?
Answer: g/ml or g/cm3
2 pts ( 1pt each)
If you have 5 points you have a PERFECT score!
4. Place the liquids in the correct order
according to their densities
Substance:
● Honey: 1.42 g/ml
A:____________
B:____________
C: ____________
● Soda: .8 g/ml
● Water: 1 g/ml
4. Place the liquids in the correct order
according to their densities. 1 pt
Substance:
● Honey: 1.42 g/ml
A: soda .8
B: water 1
C: honey 1.42
● Soda: .8 g/ml
● Water: 1 g/ml
5. What is the mass of an object that has a
density of 2.3 g/ml and a volume of 10 ml?
5. What is the mass of an object that has a
density of 2.3 g/ml and a volume of 10 ml?
Answer: 23 g
2 pts (1 for number, 1 for units)
If you have a score of 8 you have 100%
If you have a score of 7 you have an 88%= B+
6. What are two units used for volume?
6. What are two units used for volume?
Answer: ml or cm3
2 pts (1 pt each)
Total points 10
7. Define density
7. Define density
Answer: Density is the amount of matter in a given space or volume.
1 pt
8. Which substance has the lowest density?
8. Which substance has the lowest density?
Answer: Vegetable oil
1 pt
12 points possible so far
9. put the substances in correct order
according to their densities.
Substance
water- 1 g/ml
glue- 1.19 g/ml
oxygen- .02 g/ml
copper- 8.96 g/ml
9. put the substances in correct order
according to their densities.
Substance
A- oxygen- .02 g/ml
B- water- 1 g/ml
C- glue- 1.19 g/ml
D- copper- 8.96 g/ml
1 pt
10. Calculate the volume of a piece of
copper that has a density of 8.96 g/cm3 and
a mass of 12 g
10. Calculate the volume of a piece of
copper that has a density of 8.96 g/cm3 and
a mass of 12 g
Answer: 1.34 cm3
2 pts (1 for number, 1 for units)
15 points possible so far
11. Define mass in your own words.
11. Define mass in your own words.
Answer: Mass is the amount of matter in an object.
1 pt
12. What are two units used for mass?
12. What are two units used for mass?
Answer: grams (g) or kilograms (Kg)
2pts (1 pt each)
18 points possible so far!
13. What substances have a density lower
than water?
13. What substances have a density lower
than water?
Answer: lamp oil,
vegetable oil, rubbing alcohol
1 pt
19 total points possible
Calculate your percentage
Practice: What is one unit for mass?
Answer: grams (g) or kilograms (kg)