Raining Sponge

Teaching your children science doesn’t have to be complicated. Here is a simple experiment that toddlers and preschoolers will love.
Raining Sponge Experiment


Science for kids does not need to be complicated. The simplest of things can be fun & educational. I like doing experiments that require very little set up, clean up & are done with items that are easily accessible. This is about as simple as it gets.

All you will need is a jar, a sponge, water and food coloring.

I showed Mai the sponge and gave her a little explanation about how the sponge absorbs water. She learned a new word today. “Porous? What’s porous?” Rather than try to explain it, we showed her. We filled up the sponge and let her see how it absorbed the water and then we wrung it out.

After showing her the sponge, we started our experiment. We added a couple of inches of water to a jar and placed the sponge over it. We filled up a squeeze bottle with water and food coloring.

My daughter loves anything that requires squirting water. So she had fun with this one for a while. She put her squirt bottle right over the sponge and began squirting over the mouth of the jar. We watched the sponge fill up and the color spread as it filled. The sponge will hold water, but only so much before it starts dripping out. When the sponge was full, the colored water began to drip into the jar.


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Mai was having so much fun, that she kept going until she filled up the jar. We had to refill our squeeze bottle a few times.

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5 comments on “Raining Sponge

  1. I do this in my preschool class as well. I use a spray bottle and teach them about how water droplets in the air collect and form clouds. When the cloud (sponge) gets too full it rains down on us. I also use an umbrella & towel with a spray bottle to demonstrate things that absorb and things that repel.

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