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Name: __________________________ Date: ________ Class: _______
Acids and Bases (SPI.9.12)
Part I: Acids vs. Bases
- Full in the following table to correctly characterize acids and bases: Acids Bases pH Less than 7 Conducts electricity? What color does it turn litmus paper? How does it feel? Varies How does it taste? What ions does it produce in solution?
- For the following, choose acid or base. A. tomato juice; pH = 5 B. pH > 7 C. Turns blue litmus paper red D. Lemon juice E. Corrodes a nail F. Releases hydronium ions in solution G. pH of 7. Part II: pH and pH Scale
- Create a pH scale indicating pH, acids, bases, and neutral substances. Give examples of each.
- Describe the following substances as acids or bases and strong or weak based on their pH. Substance pH Acids or Base? Strong of Weak? Sea water 7. Detergent 10. Lemon juice 2. Stomach acid 1. Ammonia 12. Milk 6. Drain cleaner 13.
Battery acid 1. Oven cleaner 13 Part III: Expressing Your Scientific Understanding in Writing Write a power paragraph explains the similarities and differences between acids and bases. This must be an entire paragraph. Your writing should be thorough, logical, well organized, clear and precise. **_______________________________________________________________________________________
Part IV: Creating Your Own** On a separate sheet of paper, complete 1 of the following options and staple it to this page. Be creative! This is your chance to show how brilliant you are! Optio n Role Audience Format Topic
Comic Strip Artist Comic Loving 8th Graders Comic Strip Create a comic strip about acids and bases. Tell how they are the same and different within the comic.
Rapper/ Song Writer Your friends at dance Rap or Song Write a rap or song explaining the similarities and differences in acids and bases. Consider making the chorus the similarities and the verses the differences.
3 Teacher
Students Conducting a Lab Lab Procedure Make a step-by-step procedure for students to figure out whether a substance was an acid or a base. Be sure to include other ways other than pH indicators. Taste, etc.
