Page 75: Tuesday Jan 27th Write these directions:

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Presentation transcript:

Page 75: Tuesday Jan 27th Write these directions: Write substance name & color on chart. Add 5 drops of substance to proper # in tray. Add 1 drop indicator. Record color change. Determine if acid or base and why (color it!!).

Page 75: Tuesday Jan 27th Copy this chart: (# to 12) Substance Original Color (before indicator) New Color (after indicator) Acid or base? COLOR 1 2 3 4 5 6 7 8

The pH Scale using Universal Indicator pH 7 = neutral; pH 0-1 = very strong acid pH 14 = very strong base

Page 74: Copy this chart- color it!! Include pictures of at least ten items Which is more acidic, a lemon or an apple? Which is more basic, soap or baking soda?