or neutral? Make your own acid-base indicator from red cabbage, then test various household substances. Acids and bases are classes of materials that have different properties. Acid-base indicators ...

A neutral substance is neither an acid nor a base. Give each student an Activity Sheet (PDF). Students will record their observations and answer questions about the activity on the activity sheet.

Smaller areas often require careful planning, and neutral colors simplify the process. When your base palette is neutral, you have more flexibility to experiment with textures, patterns ...

In water and neutral solutions ... Adding water to an acid or base will change its pH. Water is mostly water molecules so adding water to an acid or base reduces the concentration of ions in ...