Acid/base indicators are described and used to identify substances as acids or bases. Indicators and the pH Scale: Acid/base indicators are described and used to identify substances as acids or bases.

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Scientists are often trying to find the pH of the things they are working with. pH indicates how acidic or alkaline a solution is, which can tell us how it will react in experiments. There are many ...

Don't you mean pink cabbage? No, I mean blue cabbage. Wait, now it's pink again! As you can see, your little angel might just discover that this stuff is cool enough to eat! 1. Red cabbage contains a ...

A student exhales through a straw into a solution of tap water and aquarium pH indicator. The changing colour demonstrates that increasing the amount of dissolved carbon dioxide causes water to become ...

Full STEAM Ahead is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Get amazed by what nature is capable to do and, why not, learn how to perform this easy demonstration at home. Red cabbage contains pH-sensitive dyes, anthocyanins, the same type of dyes responsible ...