GV 9

Glowing Volcano!

This is a twist on the classic “vinegar and baking soda” volcano – it GLOWS. Super cool.

Here is what you need:

  • Highlighter (yellow is best)
  • Water
  • Vinegar
  • Baking Soda
  • Black Light
  • Glass Containers

That is IT. I found this idea from Play at Home Mom and thought the kiddos would love it. And me too. :)

Step 1: Clip the back off of the highlighter. Supposedly you can put pressure with scissors to get it to “pop” off, but I ended up finally using an exacto knife after I almost broke my scissors.

Step 2: Get the color out of the highlighter. Just take the “ink” part of the highlighter and put it into water. If you had a hard time opening the highlighter and didn’t want to cut into it, you can just hang the highlighter so the tip is facing downward into the water.

I actually squeezed some of the highlighter ink out when the tube was soaked in water, and then let the rest of the color get out into the water by letting it soak. I was a little excited to hurry it along…..

Step 3: After the tube is basically white from the ink coming out, find a dark room and hook up your black light.

Cool!

Step 4: Make your “volcano” liquid by pouring some of your highlighter water into a container with some vinegar. Stick your volcano liquid container into another container to catch the “lava” as it flows out. You don’t want messes!

As you can see, the color diluted down quite a bit when I added the vinegar. Keep watching though – it turned out just fine.

Step 5: Dump some baking soda into your “volcano liquid” and enjoy the show!

We had some more vinegar and baking soda on hand to alternate so we could keep the fun going.

There you go! Super easy cleanup and a very fun experiment.

I saved the rest of the highlighter water that we didn’t use in another container so we could try it again another time.

Enjoy! :)

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