Identify the following by placing the correct letter in the blank A. bases only C. neither acids nor bases B. acids only D. both acids and bases 1. an electrolyte 2. pH of 7 3. pH < 7 4. turns blue litmus paper red 5. has more H+ ions in aqueous solutions

Answercreating graphs and performing calculations;

For lesson: cameras, plant presses, newspaper, paper towels, clip boards, pencils, calculators, field guides, metric measuring tapes, paper, transect squares, colored pencils, ph meters, light meters, computers, etc.for extension: baggies for soil samples collecting, distilled water, hand shovels, beakers, boiled rice, microscopes, well microscope slides or regular microscope slides with cover slips