This blog post was sent to us in emails from Erika Alvis, CORE/Labor Source Program Coordinator, and Hannah Kinderlehrer, an instructor for the Science Discovery Class.
One of the classes Imagine!’s CORE/Labor Source department offers to Imagine! clients is a Science Discovery class. One of the projects in the class is a liquid lab. Some of the liquid lab experiments the class has performed are mixing: oil and water; oil and vinegar; oil, vinegar, and baking soda; and oil and a bubble solution. Below is just one example of an experiment Hannah sent us about creating a liquid lab.
“Lately we've been playing with baking soda and vinegar. Kids of all ages love the result of this reaction. I thought it would be fun to see what happened if we changed things up a bit. What if we used things in addition to the baking soda and vinegar? Would the results change? Specifically, could we change the amount of bubbles? My son, Aiden (age2.5), had a blast with this activity. I hope you enjoy it, too!”
How Does Adding Soap Affect the Reaction with Baking Soda & Vinegar?
Materials
• containers
• spoons
• baking soda
• vinegar
• water
• dishwashing liquid
• food coloring (optional)
The Setup - I placed our containers in a large baking dish to contain the mess and potential overflow. I also recommend covering the floor under you. If your child is anything like my son, there will be a mess.
If you are concerned about the mess, take this activity outside or play in the bathtub or sink.
Into each container I added 1/2 cup of water and 1/2 tablespoon of baking soda. Aiden wanted to use green and yellow food coloring, so I also added 2 drops of green and 1 drop of yellow. To one container, I added 1 teaspoon of dishwashing liquid. {It is not necessary for the measurements to be exact. I'm just giving you an idea of what I did.} We stirred up each container (with separate spoons). A few bubbles formed in the container with soap. I asked Aiden if he noticed any differences in the containers. He pointed out the bubbles. I added a tablespoon of vinegar to a small plastic container. Aiden added the vinegar to the container with baking soda and water. Fun, normal, expected reaction, right? Aiden added a tablespoon of vinegar to the container with baking soda, water, and soap. The bubbles are different, rise higher, and they stay. Aiden was very pleased with this result.
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Hannah, instructor for the Science Discovery class,
assists Rebecca (in pink) in creating a liquid lab. |