What Is Density

Question 1

How do you calculate density (3)

Answer 1

• D= m/v
• Mass/volume = constant for a specific substance
• messured in g/m^3

Question 2

Give a short description of what density is (2)

Answer 2

• a material’s density is the mass per unit volume

- it’s how tightly the material is crammed together

Question 3

If two substances have the same volume, is its density and mass the same (2)

Answer 3

• no they can different masses and density

- differenct substances have different densities

Question 4

Who discovered density (1)

Answer 4

Greek scientist Archimeds

Question 5

What factor usually decreaces a substance’s density and why (2)

Answer 5

Temperature, the substance expands and the volume decreases

Question 6

Name 5 uses of density (5)

Answer 6

• determine battery level of remaining charge
• engineering
• geology
• identity unknown substances
• fluid mechanics
• weather
• material science
• other fields of physics