16. Which of the following substances would have the highest density?
a) Ice
b) Liquid water
c) Water vapor (gas)
d) They would all have the same density
Answer: b) Liquid water
17. The density of an object is 2 g/cm³. If the volume of the object is 8 cm³, what is its mass?
a) 4 g
b) 6 g
c) 8 g
d) 16 g
Answer: d) 16 g
18. Which of the following objects would sink in water?
a) An object with a density of 0.5 g/cm³
b) An object with a density of 1 g/cm³
c) An object with a density of 5 g/cm³
d) An object with a density of 10 g/cm³
Answer: d) An object with a density of 10 g/cm³
19. The density of a substance is typically measured using a:
a) Thermometer
b) Balance
c) Graduated cylinder
d) Ruler
Answer: b) Balance
20. A block of metal has a mass of 500 grams and a density of 10 g/cm³. What is its volume?
a) 5 cm³
b) 10 cm³
c) 50 cm³
d) 100 cm³
Answer: c) 50 cm³
