1. Examples of Acids and Bases

2. Citrus fruits like oranges and lemons contain acids

3. Carbonated drinks have carbonic acid in them

4. Vinegar is acetic acid and water

5. Regular rain water is slightly acidic; human activities make the rain much more acidic….

6. The result is ACID RAIN… and this!

7. There are many acids in living organisms, and in the foods you eat.

9. You know that you must eat enough protein…

10. Proteins are polymers of amino acids

11. You probably know that DNA has a double helix structure… But do you know what’s in it?

12. DNA stands for deoxyribose nucleic acid

13. Your stomach contains acid. The acid helps digest your food.

14. Too much acid gives you heartburn.
Acid coming up your
esophagus causes
acid reflux.

15. What do you do when you have heartburn?

16. You take antacids. Antacids are an example of BASES

17. Bases neutralize acids
Bases neutralize acids. You could think of acids and bases as “opposites.”

18. Soaps are also bases.

19. As is Drano

20. NH3 is a molecular base

21. Just 4 different molecular bases (the colored lines) are responsible for all of the coding of genes in DNA

22. Acids and bases are an essential part of chemistry – and of life as we know it!