Volcano at the Beach
What You Need
- Clean, empty 1-liter soda bottle
- 1 cup water
- 1 tablespoon baking soda
- 1 tablespoon liquid dishwashing detergent
- Red food coloring
- Plastic dinosaurs or army soldiers
- 1 cup white vinegar
What to Do
Fill the bottle with the water, baking soda, liquid dishwashing detergent, and ten drops of red food coloring. Place the bottle on the beach and build a sand volcano around the bottle. Place the plastic dinosaurs or soldiers around the volcano. Pour the vinegar into the bottle and scream, "Volcano! Volcano! Volcano!"What Happens
Red foam lava will bubble and spray out the top of the volcano and down the mountain of sand, covering the dinosaurs or soldiers.Why It Works
The baking soda (a base) reacts with the vinegar (an acid) to produce carbon dioxide, producing foam and forcing the liquid out of the bottle.Volcanic Blunder
The 1968 motion picture Krakatoa, East of Java, starring Maximilian Schell, Brian Keith, and Sal Mineo, follows the S.S. Batavia Queen as it is engulfed by the huge tidal wave created by the 1883 eruption of the volcanic island of Krakatoa. The eruption was heard about three thousand miles away, created sea waves almost 130 feet high, and killed nearly thirty-six thousand people on nearby islands. Oddly, the filmmakers mistitled their movie. Krakatoa lies west of Java. It is east of Sumatra.
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