A collection of activities that use acids and bases and the colorful indicator found in the Galaxy Gold copy paper. All the science is explained and all of the procedures are provided for each activity. Running these activities requires the availability of Galaxy Gold copy paper; there is ordering information for those that prefer Amazon. All result tables are provided. The experiments and activities listed below are included in this packet.
Baking soda vs ammonia
How to make handprints and fingerprints
Extracting the indicator from the paper
Using the paper as indicator strips
Endpoint detection by dilution
Click to explore an acid-rock experiment Rocks in Vinegar
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