https://www.sciencebuddies.org/science-fair-projects/references/acids-bases-the-ph-scale

In order to deal with these large numbers more easily, scientists use a logarithmic scale, the pH scale. Each one-unit change in the pH scale corresponds to a ...

https://www.khanacademy.org/science/biology/water-acids-and-bases/acids-bases-and-ph/a/acids-bases-ph-and-bufffers

Acidity and basicity, proton concentration, the pH scale, and buffers. ... However, scientists still refer to hydrogen ions and their concentration as if they were ...

https://www.khanacademy.org/science/high-school-biology/hs-biology-foundations/hs-ph-acids-and-bases/a/hs-ph-acids-and-bases-review

The pH scale is used to rank solutions in terms of how acidic or how basic they are. It indicates the concentration of hydrogen ions (H+) and hydroxide ions (OH-)  ...

https://www.ducksters.com/science/acids_and_bases.php

Kid's learn about the science and chemistry of acids and bases. pH level ... Scientists use something called a pH scale to measure how acidic or basic a liquid is.

https://www.brainpop.com/science/matterandchemistry/phscale/

What is pH, anyway? If this question has been eating away at you, wonder no more! In this BrainPOP movie on the pH scale, Tim and Moby explain what makes ...

http://www.businessdictionary.com/definition/pH-scale.html

Definition of pH scale: A measure of acidity or alkalinity of water soluble substances (pH stands for 'potential of Hydrogen'). A pH value is a number from 1 to 14, ...

https://www.britannica.com/science/pH

PH: pH, quantitative measure of the acidity or basicity of aqueous or other liquid ... The relative acidity or alkalinity of a solution is reported by the pH scale, which  ...

https://blogs.scientificamerican.com/lab-rat/what-makes-things-acid-the-ph-scale/

Dec 3, 2012 ... We also learnt about the pH scale which measures the acidity or alkalinity of a substance. The pH scale goes from 1-14, with pH7 being ...

https://www.bbc.com/bitesize/guides/z89jq6f/revision/1

Learn about the pH scale and how neutralisation happens with BBC Bitesize KS3 Science.

https://www.saddlespace.org/whittakerm/science/cms_page/view/7795265

These two scientists are collecting and testing samples of water from the river ... The strength of acids and bases is measured on a scale called the pH scale, ...