1. Put about 1/4 cup water in each of four clean drinking glasses, labeled A,B, C, and D.

2. To glass A add about 1 spoon baking soda; to glass B add a spoon of white vinegar; to glass C ass a spoon of lemon juice; do not add anything to glass D, make it a control.

3. Using a new piece of pH paper each time, dip a small piece into each solution. To determine the pH level of the solutions, compare the colors of the pH paper to those on the color chart, the record th

1.) What effect does acid water have on the reddish seed?

1.) Go to some lakes, ponds, beaches around the place you live, collect some water sample from different area, and then use the pH paper to determine its pH level. Record the data in the chart below.

C. Use marker pen to label one of the cup A, one B, and one C. Place all three cups in the same location.

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