I can’t get my preschooler out of the water so this is a great age to introduce a few quick water activities into our play. Kids can learn and play at the same time when you know how to choose the right preschool science activities! Water is the key ingredient in all of these awesome water experiments below. Easy preschool water activities you will love that include a bit of science!

Quick water science experiments and activities kids will love. Preschool science, kindergarten science, and early elementary ages science activities using water and other common supplies. Free or nearly free science for kids is a budget friendly way to try science at home or in the classroom. We love simple science experiments and STEM activities and using water makes science extra fun and playful for kidsPin

Enjoy Water Science With Preschoolers

Preschoolers are curious creatures and science experiments, even very simple experiments can fuel their curiosity. Learning how to observe, predict what might happen, and discuss what is happening are amazing tools for the future!

Science surrounds us, inside and out. Kids love checking things out with magnifying glasses, creating chemical reactions with kitchen ingredients, and of course exploring stored energy! Check out these 35 awesome preschool science experiments to get started.

There lots of easy science concepts that you can introduce kids to very early on, including water play!

You might not even think about science when your toddler pushes a card down a ramp, plays in front of the mirror, laughs at your shadow puppets, or bounces balls over and over again. See where I am going with this list? What else can you add if you stop to think about it?

Science starts early, and you can be a part of that with setting up science at home with everyday materials. Or you can bring easy science to a group of kids! We find a ton of value in cheap science activities and experiments.

Helpful Science Resources To Get You Started

Here are a few resources that will help you introduce science more effectively to your kiddos or students and feel confident yourself when presenting materials. You’ll find helpful free printables throughout.

These preschool water activities below are perfect for science at home as well as in the classroom! I love to find experiments that I can set up using simple and easy resources from around the house.

These simple preschool water activities do not have to be perfect, but they need to be fun! Young kids should have time and space to explore all the available materials and experiment in ways they choose.

Click here to get your FREE Printable Science Process Pack

Water Science Experiments For Kids

Alka Seltzer Experiment

A simple water activity that involves adding alka seltzer tablets to water and oil. Sure to impress!

Cornstarch and Water

An amazing sensory play and science activity is just minutes away and all you need is two simple ingredients, cornstarch and water. Also known as oobleck. One of our favorites!

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Dissolving Candy Fish

Using candy fish is the perfect way to explore science and enjoy a classic Dr. Seuss book, One fish two fish red fish blue fish, all in one! Get ready to set up this incredibly simple and fun water activity for your kiddos!

Drops Of Water On A Penny

How many drops of water fit on a penny? Explore surface tension of water when you try this fun penny lab with the kids.

Lava Lamp Experiment

Have you ever made a homemade lava lamp? We love to explore science with common items found around the house. A homemade lava lamp  is one of our favorite preschool water experiments!

Leak Proof Bag Experiment

Sometimes science can appear a bit magical don’t you think! Can you poke a bunch of pencils into a bag of water and have nothing leak out?

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Leak Proof Bag Experiment

Oil and Water Experiment

Simple science experiments at home or in the classroom are so easy to set up and perfect for young kids to play and learn with science. Learn about what happens when you mix oil and water together. 

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Oil and Water

Penny Boat Challenge

Water, water everywhere! Design a simple tin foil boat, and see how many pennies it can hold before it sinks. 

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Salt Water Density Experiment

Can you make a fresh egg float in water? Try this easy salt water experiment, and learn about density with just water, salt, and eggs!

Sink or Float Experiment

Easy and fun kitchen science with a sink float water activity. Kids will have a blast checking out the different ways they can test sink or float with easy items.

Skittles in Water

All you need are a packet of skittles and some water for this classic experiment.

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Skittles Experiment

Solid Liquid Gas Experiment

Can you believe this is a very simple water experiment you can do in little time if necessary! I set this solid, liquid, gas experiment up for us at home while I was making breakfast. It is a great way for young kids to explore states of matter.

Volume Experiments

Grab some different size bowls, water, rice and something to measure with and get started with this simple water activity.

Walking Water Experiment

A walking water science experiment is incredibly easy and fun to set up with the kids! 

Water Density Experiment

Enjoy finding out about the basics of color mixing all the way up to the density of liquids with this one simple water density experiment.

Water Xylophone

Set up this fun water experiment with water and jars.

Water Absorption Experiment

Grab various materials from around the house or classroom and investigate what materials absorb water and what don’t.

What Dissolves In Water?

Explore solubility with this easy water science experiment. What will dissolve in water and what won’t?

Water Displacement Experiment

This water experiment is the perfect example of how just a few simple supplies provide a cool learning experience for young kids.

Water Refraction Experiment

Why do objects look different in water? A simple water experiment that shows how light bends or refracts as it moves through water.

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More Fun Water Play Ideas

There is nothing like a sensory bin with water for hours of play and learning!

Check our list of ice play activities!

The simple act of melting ice is a great science experiment for preschoolers. This type of play opens many avenues for exploring, discovering, and learning about the world.

Provide your child with squirt bottles, eye droppers, scoops, and basters, and you will also work strengthening those little hands for handwriting down the road!

More Preschool Topics To Explore

Printable Preschool Pack

Get ready to explore this year with our growing Preschool STEM Bundle!

What’s Included:

There are 10+ preschool themes to get you started. This is an ” I can explore” series! NOTE: This is a growing bundle; when new themes are added, they will be sent to you!

Each unit contains approximately 15 activities, with instructions and templates as needed. Hands-on activities are provided to keep it fun and exciting. This includes sensory bins, experiments, games, and more! Easy supplies keep it low cost and book suggestions add to the learning time.

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2 Comments

  1. What a wonderful collection of activities! I love the water displacement mind tornado in a bottle activities!

    I want to share a freebie with you as a thank you as well!
    http://www.teacherspayteachers.com/Product/Fine-Motor-Skills-FREEBIE-Circle-Time-Activities-1441256

  2. Nice ideas. In summer hot weather it will great fun for kids. Really great fun ideas for toddlers. Kids generally love to play with water. So This water activities for toddlers must be great fun.

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