Density

Question 1

What is the formula for calculating density?

Answer 1

Density = Mass / Volume

Question 2

True or False: Density is a measure of how much mass is contained in a given volume.

Answer 2

True

Question 3

Fill in the blank: The unit of density in the SI system is _______.

Answer 3

kilograms per cubic meter (kg/m³)

Question 4

If an object has a mass of 200 grams and a volume of 50 cm³, what is its density?

Answer 4

4 g/cm³

Question 5

Which of the following materials is likely to have the highest density? A) Wood B) Water C) Iron

Answer 5

C) Iron

Question 6

True or False: An object will float in water if its density is greater than that of water.

Answer 6

False

Question 7

What happens to the density of a substance when it is heated?

Answer 7

The density typically decreases.

Question 8

What is the density of water at 4 degrees Celsius?

Answer 8

1 g/cm³

Question 9

Multiple choice: Which of the following factors does NOT affect density? A) Temperature B) Mass C) Shape

Answer 9

C) Shape

Question 10

Short answer: Why do gases generally have lower densities than solids?

Answer 10

Gases have more space between particles, resulting in lower mass per unit volume.