CK-12 Foundation
Ck 12: Plix: Scale Distances or Dimension: P H Concept
[Free Registration/Login Required] Arrange the items shown next to their corresponding pH value on the scale.
CK-12 Foundation
Ck 12: Physical Science: P H Concept
[Free Registration/Login may be required to access all resource tools.] Definition of pH and the strength of acids and bases. How to use the pH scale and why pH is important to living things.
CK-12 Foundation
Ck 12: Plix: P H Concept
[Free Registration/Login Required] Arrange the household items so that their pH corresponds to the scale.