How To Build an Erupting Volcano

  • December 15, 2009
  • 3,849 Views
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Have fun and make a mess, all in the name of science.

You Will Need

  • 6 c. flour
  • 2 c. salt
  • 1 c. water
  • Small plastic bottle
  • Baking sheet
  • Acrylic paint
  • Paint brushes
  • 1/2 c. vinegar
  • 1 tsp. red food coloring
  • Dishwashing detergent
  • Tissue
  • 3-4 tbsp. baking soda
  • Cardboard (optional)
  • Glue (optional)
  • Toy trees (optional)
How To Build an Erupting Volcano: Make clay

Step 1: Make clay

Make homemade clay by mixing the flour and salt in a bowl, and then adding water until the mixture is smooth in consistency.

How To Build an Erupting Volcano: Center bottle

Step 2: Center bottle

Center the bottle on the baking sheet.

Cut a piece of cardboard so it fits in the baking pan, and glue the bottle to it. You can paint this cardboard to match the volcano.

How To Build an Erupting Volcano: Shape volcano

Step 3: Shape volcano

Shape the clay around the bottle to make it look like a volcano. Start at the bottom, creating a wide base, and work toward the top. Make sure to leave the mouth open.

How To Build an Erupting Volcano: Paint the volcano

Step 4: Paint the volcano

Paint the volcano with the acrylic paint to make it look more realistic.

Decorate the base of the volcano with toy trees to add more life.

How To Build an Erupting Volcano: Add liquids

Step 5: Add liquids

Pour the vinegar, red food coloring, and a few drops of dishwashing detergent into the bottle.

How To Build an Erupting Volcano: Add baking soda

Step 6: Add baking soda

Fold the baking soda into a tissue and drop it into the bottle, and watch in wonder as your volcano erupts.

Did you know? When Mount St. Helens erupted in 1980, the eruption caused the mountain’s elevation to drop 1,314 feet.

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Video is in Cool DIY Projects (25 videos)