Wednesday, April 13, 2011

Fun Liquids Experiment

In a earlier post, Liquids: Oil and Water Experiment, I showed how oil and water (both liquids) don't mix and will separate into 2 layers. In this activity we will try to make 3 layers of liquids.


  • recycled plastic bottles
  • water
  • food coloring
  • oil (baby oil or vegetable oil)
  • mystery liquids ???


  • First review that liquids are a state of matter. They keep their size but not their shape. They take the shape of their container.
  • Review that oil and water will NOT mix because the oil is lighter or less dense than the water.
  • Pour oil and water into a recycled plastic water bottle. 
  • Observe the liquids. (The oil will rise to the top.)
  • Brainstorm with the children other liquids that they could try to use to make a third liquid layer in the recycled bottle..
  • Have the children predict a liquid which they think will not mix with either the oil or water.
  • Have fun experimenting! 
Suggestions for Mystery Liquids: honey, molasses, shampoo, etc.

What liquids do the kids suggest? What have you used?  Please share your mystery liquids. Can you make a 4th layer?


    1. Great post! I'm a new follower from HHH. Can't wait to click around some more and see what other great ideas I find.

    2. I love your blog. I recently awarded you on my blog, Books4Learning, the Stylish Blogger Award. If you would like to accept it, follow this link

    3. All great ideas! Thanks for sharing. Now following from TGIF bog hop. Have a great weekend.

    4. Thanks for sharing this idea. Will have to try it with the preschoolers next time I get to work with them. I've linked up to your post on my weekly favorites here:



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