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PSPKK12

Rain Cloud in a Jar Science Activity

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Making a sponge rain cloud in a jar science activity is a fun and easy activity that shows children more about the process of how it rains. This is the perfect hands-on science activity to accompany a weather unit at school or to enrich learning at home!

children using droppers with water and food coloring in mason jars with a sponge to do this cloud in a jar science experiment

Getting the Rain Cloud in a Jar Ready

Setting up a rain cloud in a jar is about as easy as it gets. We gathered these items:

  • Clear jar
  • Sponge (the kind without the abrasive scrubber on one side)
  • Food coloring
  • Another jar full of water
  • Plastic pipettes and eye dropper
  • Paper towels

I placed the sponge on top of the empty jar and trimmed it a little so that it didn’t hang too far over the lip of the jar.

We filled another jar with water and colored it with blue food coloring. I placed paper towels underneath each of the jars and had the entire roll on hand just in case we had a major spill.

Making a sponge rain cloud in a jar science activity is a fun and easy activity that shows children more about the process of how it rains. This is the perfect hands-on science activity to accompany a weather unit at school or to enrich learning at home!

Making it Rain

I instructed the kids to fill up their pipettes with blue water and then to carefully squirt the water onto the sponge. It took a little practice and a few minor spills, but they quickly got the hang of transferring the water from one jar to the other.

Making a sponge rain cloud in a jar science activity is a fun and easy activity that shows children more about the process of how it rains. This is the perfect hands-on science activity to accompany a weather unit at school or to enrich learning at home!

They counted the number of times they squirted a pipette full of water onto the sponge before any drops started to leak from it. We were all impressed with how much water the sponge could hold!

The sponge cloud got heavier and heavier with water until finally…rain!

Making a sponge rain cloud in a jar science activity is a fun and easy activity that shows children more about the process of how it rains. This is the perfect hands-on science activity to accompany a weather unit at school or to enrich learning at home!

The kids were so thrilled to watch the drops fall into the empty jar. They found that they could make it rain harder or softer depending on how fast they squirted the water out.

Making a sponge rain cloud in a jar science activity is a fun and easy activity that shows children more about the process of how it rains. This is the perfect hands-on science activity to accompany a weather unit at school or to enrich learning at home!

After the kids were done making it rain from their cloud in a jar, they wanted to squeeze out the sponge to see how much water it had absorbed. It turns out a sponge can hold quite a bit of water!

Making a sponge rain cloud in a jar science activity is a fun and easy activity that shows children more about the process of how it rains. This is the perfect hands-on science activity to accompany a weather unit at school or to enrich learning at home!

The Science Behind the Sponge Cloud in a Jar

As they used the pipettes to transfer the water we talked about how clouds are formed by water vapor rising into the air and condensing into tiny particles of dust. When billions of these droplets come together, a visible cloud forms. Over time, the droplets and crystals that make up a cloud can attract more water to themselves. When water droplets grow heavy enough, gravity pulls them down as raindrops!

Making a sponge rain cloud in a jar is obviously a simplistic model of how it actually rains, but it gives young children a hands-on visual that is extremely valuable to their learning. Plus, it’s fun!

More Science Activities and Ideas

Walking Water Science for Kids

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Filed Under: Crafts/Activities, Earth Science Tagged With: Kindergarten, Pre-K, Preschool, Science

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Reader Interactions

3 Comments

  1. Hang Kao

    April 24, 2022 at 6:47 pm

    Normally I do not read article on blogs, but I would like to say that this write-up very forced me to try and do so! Your writing style has been surprised me. Thanks, quite nice post.

    Reply to this comment

Trackbacks

  1. Learning Activities for Summer STEM - says:
    July 15, 2019 at 10:05 pm

    […] Summertime showers are fascinating. Help your little learners understand how clouds work with this easy to setup cloud experiment. […]

    Reply to this comment
  2. 100+ Science Experiments for Your Homeschool Science Class - Year Round Homeschooling says:
    September 26, 2019 at 4:14 pm

    […] Rain Cloud in a Jar […]

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