Lava Lamps

We are back to doing summer activities today (took a few days off last week due to my Lasik surgery). Today we made homemade Lava Lamps. The kids thought this was pretty cool. We found this craft from pinterest (of course), but here is the link to the original blog: http://www.jugglingwithkids.com/2011/09/lava-lamps.html. I let the kids pour the oil, food coloring, and water into their water bottles then I broke the Alka Seltzer into small pieces for them to dump into their new lamps. Then we watched as the bubbles started moving up and down. My only suggestion is to use a darker food coloring. Heidi picked pink and it didn't show up as well as the blue in Noah's. After making Lava Lamps we practiced writing the letter L.