20 Science Experiments with Baby Food Jars

When your homeschooling you do all you can to come up with ways to reuse and recycle in order to teach your children. So after someone gave me a bunch of baby food (for the baby lol) I didn’t want to waste the jars. My husband suggested I use the jars for the rest of the baby food that I make to store, but usually I just freeze them so instead I went on the hunt for other uses. In posts to come you will find “Entertaining your children with baby food jars” and “Organizing and Crafting with baby food jars” but first I bring you “20 Science Experiments with Baby Food Jars”!

  1. Seed Starter – Fill your jar half full with dirt then drop in a seed and top with some more dirt. Water them and put them in a sunny place. Have your child document daily what they see.
  2. Bug House – Pop some holes in the top of a lid so your kids critters have some air and then send them on the hunt for their favorite bugs. They can spend the day documenting how the bug acts, what they like to eat best, etc. At the end of the day just open the top and release the bug. Tomorrow use a different bug.
  3. Ant Farm – Fill your jar 3/4 full with dirt and add the ants. Your child can watch how the ants tunnel around.
  4. Found on a Walk – Take a couple jars and go on a walk with your kids and they can fill the jars with any neat things they find along the way.
  5. Terrariums – Add a layer of dirt, then moss, and a couple sticks and you have the perfect terrarium! Use this opportunity to talk with your kids about what critters this may be the perfect habitat for on a larger scale.
  6. Universe in a Jar – Fill your jar with water and add food coloring to make it black. Drop in some bits of tin foil. Shake it up and you have a night sky.
  7. Hot and Cold Water Trick – This was a really neat project that shows children how hot and cold water interact with each other.
  8. Food coloring and Oil – Add half water and drop some food coloring in, then add oil and allow your kids to shake, then explain why they wont mix.
  9. Smelling Jars – Poke holes in the lids of different baby food jars and put something different in each jar. (roses, cinnamon, basil, banana, chocolate, etc)
  10. Barometer – This looks like a super fun experiment for kids of all ages!
  11. Raising Raisins – “Pour clear carbonated soda water into a clear glass. Drop four or five raisins into the glass. Show children how the carbon dioxide bubbles make the raisins rise and fall. “
  12. Run Away Pepper– “Sprinkle pepper over the top of a cup of water. Put a dab of soap on your finger and touch the center of the pepper. Show children that the soap breaks the surface tension of the water and the tension on the rest of the water pulls the floating pepper away from the soap. “
  13. Pop Corn Dance  – “Fill small a glass jar 3/4 full of water. Mix in 2 tablespoons of baking soda and mix well. Add a drop or two of food coloring and 10 to 15 popcorn kernels. Then add a few drops of vinegar. The kernels will start to move in one or two minutes.”
  14. Ice Magic – “Fill a glass with water and add one ice cube. Let a child lay a piece of string across the ice and try to pick up the ice with the string. Sprinkle a little salt over the ice cube, count to 10 and have child try again. Show child how the salt melted the ice just enough to bond around the string. ”
  15. Volcano – “Place an empty baby food jar on a tray. Surround the jar with play dough. Form the dough to look like a mountain. Put a drop of red food coloring and a tablespoon of baking soda in the jar. Then add some vinegar to it to make it erupt. “
  16. Movement of Magma
  17. Bubble Life and Temperatures – “You are going to pour the same amount of bubble solution into jars, expose the jars to different temperatures, shake the jars to create bubbles, and see if there is any difference in how long the bubbles last. “
  18. Lotion Moisture Test – Fill a few jars with water and then dip coffee filters in different brands and types of lotion. Rubber band the filter on top of the jars and see which jars water evaporates the fastest and the slowest to see which brands hold the moisture in your skin the longest.
  19. Insulation Tester – Fill a few jars with the same temperature hot water and wrap different materials around them to see which materials are the best insulators.
  20. Learning about primary and secondary colors – Using 6 baby food jars add water to three. In one add yellow food coloring, in another add blue food coloring, and in the last add red food coloring. Allow your children to pour some into different empty jars to make all the secondary colors. Use extra jars to see how to make brown and black.

Note: These experiments were a collective gathering from myself, friends, public and homeschool teachers, as well as other website. You can click the links to see the original sources of the websites some of the experiments came from.

Please comment below if you know of any other fun experiments you can do with baby food jars!


4 thoughts on “20 Science Experiments with Baby Food Jars

  1. I love the idea of fun experiments with baby food jars of all things! It was forward thinking of you to place all these great ideas in one place. These are ideas I would have definitely used when my children were young.

    Thanks for indicating that you liked my post. I am glad you took the time to do so. Let’s stay ‘connected’.

  2. Pingback: Reuse those baby food jars! « Teacher in Idaho

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