What are acids and bases? Create a spider map for acid and base chemistry vocabulary at the beginning of your lesson to help students become familiar with new terminology.
Texte du Storyboard
UNIVERSAL INDICATOR
BASE
NEUTRAL
A universal indicator is a mixture of dyes that changes color to indicate the pH of a substance.
A chemical substance with a pH higher than 7 is called a base.
A chemical that has a pH of exactly 7 is described as being neutral.
ALKALI
ACIDS AND BASES
ACID
A base that can dissolve in water is called an alkali.