The pH scale shows how acidic or alkaline chemicals are. This chart gives the pH of common chemicals. The pH Scale of Common Chemicals This entry was posted on September 30, 2020 by Anne Helmenstine (updated on May 2, 2023)
Learn whether milk is an acid or base. See the pH value of milk and how it changes over time. Is Milk an Acid or Base? This entry was posted on September 29, 2020 by Anne Helmenstine (updated on February 14, 2023)
Here's a simple recipe to make fizzy sherbet powder and a look at the food chemistry behind the bubbly fun. Fizzy Sherbet Powder Recipe and Chemistry This entry was posted on September 28, 2020 by Anne Helmenstine (updated on February 6, 2023)
Learn how to make poinsettia pH indicator. See how to turn it into pH paper test strips and what colors to expect. Poinsettia pH Indicator Instructions This entry was posted on September 27, 2020 by Anne Helmenstine (updated on September 12, 2021)
Find cool and fun things to do with dry ice. Make fog, fizzy fruit, and ice cream. Make a spoon sing, inflate balloons, and more. Fun Things to Do With Dry Ice This entry was posted on September 26, 2020 by Anne Helmenstine (updated on January 9, 2022)
Get the volume definition in science. Learn about volume units, get examples, and see how volume differs from mass or capacity. Volume Definition in Science This entry was posted on September 24, 2020 by Anne Helmenstine (updated on May 2, 2021)
Get the hydrogen bond definition. See types and examples of hydrogen bonds. Hydrogen Bond Definition and Examples This entry was posted on September 23, 2020 by Anne Helmenstine (updated on March 12, 2023)
This Environmental Science Word Search is a great way to introduce vocabulary used in the wide study of our environment. Environmental Science Word Search This entry was posted on September 22, 2020 by Todd Helmenstine (updated on May 10, 2021)
Get bromine facts, including the uses, sources, and toxicity of element number 35 with symbol Br. Bromine Facts – Atomic Number 35 and Element Symbol Br This entry was posted on September 22, 2020 by Anne Helmenstine (updated on May 2, 2021)