Density Assessment

What is density?

• a. The amount of space an object occupies
• b. The amount of matter in an object
• c. The amount of mass in a given volume of a substance
• d. The ability of an object to float

What does volume measure?

• a. The weight of an object
• b. The number of particles in a substance
• c. The amount of space an object occupies
• d. The color of a substance

Which of the following best describes buoyancy?

• a. The color of an object
• b. The ability of an object to float in a fluid
• c. The mass of an object
• d. The volume of a fluid

If an object has a mass of 20 grams and a volume of 5 cubic centimeters, what is its density?

• 4 grams per cubic centimeter
• 100 grams per cubic centimeter
• 15 grams per cubic centimeter
• 25 grams per cubic centimeter

What happens if an object is denser than the fluid it is in?

• a. It will float
• b. It will sink
• c. It will dissolve
• d. It will change color

How is mass usually measured?

• a. Liters
• b. Grams
• c. Cubic centimeters
• d. Meters

Which unit is used to measure liquid volume?

• a. Grams
• b. Degrees
• c. Liters
• d. Pounds

An object with a mass of 50 grams and a volume of 10 cubic centimeters has what density?

• 5 grams per cubic centimeter
• 0.5 grams per cubic centimeter
• 60 grams per cubic centimeter
• 40 grams per cubic centimeter

What is the formula to calculate density?

• a. Volume divided by mass
• b. Mass divided by volume
• c. Mass multiplied by volume
• d. Mass plus volume

If a block of wood floats in water, what can we say about its density?

• a. It has the same density as water
• b. It is denser than water
• c. It is less dense than water
• d. It is not related to density