Science Experiments, STEM Activities

Underwater Volcano

Underwater volcano

Get 25% off the first month of your new craft box subscription with code BLOG25! Green Kid Crafts delights tens of thousands of kids across North America each month with fun and eco-friendly craft and STEM activities delivered right to their door through our company’s craft subscription box program. Kids are sent a monthly Discovery Box, which is packed with between 5-8 activity kits designed to foster a child’s creativity and confidence. Each month brings a new theme; past themes have included Mad Scientist, Nocturnal Animals, Around the World, and Outer Space. Our team of kid testers help design each Discovery Box as well as the fun activities and projects for our blog like this one!

Did you know there are thousands of underwater volcanoes underwater? Using a few items from around the house, you can create your own underwater volcano!

Ingredients:

Underwater volcano

  • Room Temperature Water
  • Hot water
  • Popsicle stick/tree branch/stick of some type
  • Small glass jar/container
  • Large glass jar/container (Large enough for the smaller container to be placed into)
  • Rubberband
  • Food coloring

Directions:

Underwater volcano

Step 1: Use the rubber band to attach the popsicle stick to the smaller container.

Underwater volcano

Step 2: Fill the large glass jar/container with the room temperature water.

Step 3: Heat up another container of water until the water is very hot, almost boiling. Adult supervision required. Let it cool for about 3-4 minutes and then place the hot water into a large drinking glass.

Step 4: Place about 4-5 drops of food coloring into the very hot water.

Underwater volcano

Underwater volcano

Step 5: Dip the small container you just created into the very hot water and make sure the hot water fills the container all the way to the top.

Underwater volcano

Step 6: Next, carefully lower the small container into the larger room temperature container and watch the very hot water rise out of its container to the top of the room temperature water just like an underwater volcano.

Underwater volcano

The hot water rises to the surface because it is less dense than the room temperature water. This creates a neat volcano effect!

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From $16.95 / month! Monthly boxes come with 4-8 award winning Creativity and STEM Science Kits (science, technology, engineering, and math) designed by experts around national standards to build confidence, flex creativity, and make kids smarter. All materials and instructions included, along with some fun extras! Each Discovery Box is created around an exciting new theme each month (think Outer Space, Nocturnal Animals, Backyard Science, Ocean, and Mad Scientist). You can cancel anytime. Join Green Kid now and save 25% off your first month with code BLOG25.

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