Chem4Kids: Reactions

Chem4Kids is a great place to dive into chemistry. Start with acids and bases; then explore other chemistry topics.

		Questions What kind of ions are formed when an acid is added to water? What kind of ions are formed when a base is added to water? What does pH indicate? What Latin word is the origin of the word "acid"? What does this word mean?

The pH Factor

What do the letters pH mean? To find out, visit this site and click Explain. Next, click Explore to find the pH of vinegar, water, baking soda, and other substances. Before long, you'll be a pH expert!

		Questions Describe how you could model a water molecule. What is the pH of human blood? Of milk? Of vinegar? Red cabbage can be used as a pH indicator. What does this mean?