CK-12 Foundation
Ck 12: Interactive Geometry: 9.6 Density Problems
Density is a ratio of the mass/people/things to volume/area. Given the density and one of the two quantities in the ratio, solve for the other quantity in the ratio.
Alabama Learning Exchange
Alex: Density
Density is the ratio of mass to volume. Density will be introduced to students by a demonstration of coke verses diet coke. The teacher will then solve density problems for the students on the board. The class will then complete a lab on...
OpenStax
Open Stax: Physics: Approximation
On many occasions, physicists, other scientists, and engineers need to make approximations or "guesstimates" for a particular quantity. What is the distance to a certain destination? What is the approximate density of a given item? About...