50 Science Experiments With Water Your Kids Will Love

Looking for some fun and easy science activities to do at home? Why not try some science experiments with water? Here are 50 ideas to get you started! These activities are a great way to explore the unique properties of water. From magical science tricks to building a water clock, there is something here for everyone. So fill a container with water and get ready to have some fun!

This is a long post, so use the table of contents below to jump straight to the section that interests you.

• Water Science That Look Like Magic
• Earth Science Using Water
• Wintery Water Science
• Engineering Water Science
• Exploring The Properties of Water
• Colorful Science Experiments With Water
• Easy Science Experiments With Water

Water Science That Looks Like Magic

These science experiments with water will have you looking like a magician! Impress your kids and their friends with these amazing tricks. And the best part? Your kids will learn all kinds of scientific principles without realizing it.

1. Poke a pencil through a zip bag filled with water and see the magic unfold when the water does not leak out of the bag. Kids love this trick!
2. Watch your kids’ faces as they watch the paper towel stay dry even though it is submerged in water. Air pressure works this magic.
3. Watch in awe as your dry-erase drawing comes to life and transforms into a beautiful floating masterpiece!
4. This Magic Toothpick Star Experiment is impressive to watch and will definitely wow your kids. Watch as five toothpicks transform into a beautiful star.
5. We know that kids love glow-in-the-dark play. Try this non-toxic glowing ice for fun science play for kids. Tonic water is the secret ingredient.
6. Who doesn’t love cartesian divers? It’s a classic science activity for kids that never gets old! Now, you can make your own cartesian diver with a pipette and a water bottle. This is hands-on learning at its best!
7. Get ready to amaze your kids with a simple magic pencil trick! This bending pencil experiment is a fun light refraction science experiment that takes less than five minutes to set up! All you need is a pencil and a jar of water.
8. This was one of my favorite tricks when I was a kid. Watch the power of air pressure hold water inside an upside-down glass!
9. Kids will be amazed when they try this static electricity experiment and seemingly bend the water in front of their eyes! It looks like magic, but it is just science at work.

Want some more magical science? Try our Harry Potter Science and Magical Experiments. Learn how to turn a pan of baking soda into a vibrant depiction of earth.

Earth Science Using Water

The following collection of science experiments with water is a great way to explore water environments, ocean currents, and the water cycle. We also included a selection of experiments that will help children learn more about pollution.

10. Kids love visiting the ocean. Show them the effects of ocean pollution and how to care for the beautiful ocean.
11. Get ready to learn about pollution in an exciting and engaging way with this acid rain science project! This project will help kids of any age gain insight into pollution’s impact on our environment.
12. This simple experiment exploring pollution’s effects on plants is also the perfect opportunity for children to learn about the scientific method, pH, and osmosis.
13. Build a simple model of ocean currents with ice, water, and food coloring. The ocean currents will come to life before your eyes.
14. Learn about ocean layers with this liquid density experiment! All you need are 3 ingredients from your kitchen and a large container!
15. Make an indoor water cycle that works. Your kids will be so excited to see saltwater transform into fresh water.
16. Access to safe drinking water is essential, and exploring this topic can be informative and engaging! This safe drinking water activity is also an excellent example of how to foster discovery and exploration.

Wintery Water Experiments

We enjoyed collecting these frosty water science experiments. They are a great way to explore the different states of water and how it changes with temperature.

17. Are you looking for frosty fun even if you live in warmer climates? This frost experiment is definitely calling your name. No snow is required! All you need are simple materials you can easily find around your kitchen.
18. There is nothing quite like a simple science experiment to fascinate kids! You probably have everything you need to set up this ice and salt experiment.
19. Bottle Crush is a great experiment that will get kids outside on the coldest days! Without requiring the slightest bit of physical power, they will learn how to crush a bottle without laying a finger on it! Your children will be begging to do this over and over.
20. Who doesn’t love a Slurpee? Slurpee science is a great way to explore the states of matter changes. The best part? You end up with a delicious Slurpee treat to enjoy.
21. This ice lantern winter STEAM activity is a lot of fun for kids! It is another experiment that explores the state of matter changes in water.
22. All you need are a few simple ingredients to create your own blizzard-in-a-bottle. This winter experiment is perfect for days when it’s too cold and miserable to venture outside.
23. What kid doesn’t love snow?! This snow science experiment explores two interesting questions. Firstly, how much water do you get when the snow melts? Secondly, and most importantly, is the snow clean? It is the perfect project for snow-loving kids who can’t resist munching on a handful of snow!
24. “Watch” water freeze and melt again while making lovely little ornaments for your garden! A fun way to explore the weather and temperatures.
25. This penguin science experiment is an engaging way for your kids to explore the mystery of how penguins stay dry in icy water!. Learn about the marvelous adaptations that help penguins survive in the coldest temperatures.

Check out our Winter Stem Activities for more frosty science fun

Engineering Water Experiments

Did you know you can use water to tell time or navigate? We’ve got some great engineering projects in this section. We’ve also got a fun water STEM challenge. Read on to find out more.

26. Your kids will be fascinated to discover one of the oldest ways to track time uses water. Build a fun Ancient Greece Water Clock and see how it works.
27. Take the challenge and design your very own tin foil boat! Put the boat to the test and see how many pennies it can hold before sinking. Which design will save the most coins?
28. Why not create a water compass? It’s a great excuse to get outside; children will have fun looking for colorful leaves for the experiment.
29. Making a solar still is exciting and educational for kids of all ages! They will be fascinated by how such a simple device can provide safe, clean drinking water. As an added bonus, they will also learn about water’s properties. Gather a few materials and read the instructions. You’ll have your still up and running in no time!
30. Learn why and how water wheels work. Use cups and a paper plate to build your own water wheel. Older children may enjoy the challenges in the extension suggestions toward the end of the post.

Exploring The Properties of Water

Water is a unique substance, and its fascinating properties can be explored with the following experiments! Who knew this ordinary liquid could hold such wonder? Step inside the fantastic world of water and try these fun experiments today!

31. Use warm and ice-cold water for this mesmerizing science experiment for kids. Learn about the properties of water as children watch how a drop of food coloring behaves right before their eyes.
32. Explore the surface tension of water with this simple science experiment.
33. Let your kids discover the surface tension power of water with this simple science experiment! Discover how many drops of water fit on a penny’s surface. You and your children will be amazed by the outcome.
34. Learn about pressure and the Ideal Gas Law as you make the water rise like magic!

Colorful Water Science

Children love bright colors. In this section, you will find a variety of colorful science experiments that explore the properties of water. All the experiments are engaging and fun, making them perfect for kids of all ages. So grab a few materials and get started!

35. Watch as the primary watercolors combine to create secondary colors for kids in this walking water science experiment.
36. Investigate colors, water stratification and more with a captivating Skittles experiment! This is always a popular activity.
37. You only need water and a few household materials to make these fireworks in a jar! The excitement and beauty of fireworks, without the noise.
38. Kids can watch capillary action before their eyes as they Grow a Rainbow with this fascinating science experiment!
39. Use water and food coloring for this color-changing flower experiment!
40. Making chromatography flowers is an exciting and easy activity that most children can do with just a bit of adult assistance. Not only will your kids have great fun making pretty flowers, but they’ll gain a basic understanding of chromatography in the process!
41. This exciting experiment changes the color of liquid right before your kid’s eyes! It’s an excellent opportunity to explore acids, bases, and pH levels! All you need are some everyday household items.
42. These sugar water density experiment trials are fun to try and wonderfully colorful. Read the whole post, as there are helpful tips to ensure your experiments work.
43. Are you looking for a fun and easy science experiment you can do with your family? This Alka-Seltzer lava lamp experiment is perfect for kids of all ages to enjoy. With just four household ingredients and some creative thinking, you can create your own lava lamp that’s sure to impress.

Did your kids enjoy these activities. They are going to love our Gloriously Messy and Exploding Experiments!

Easy Science Experiments With Water

This final group of experiments is a group of miscellaneous experiments that are easy to set up. Explore the magical world of water science with experiments to delight your kids!

44. What happens when you dip a dandelion head in the water? Find out with this simplest of science experiments.
45. How does this dishpan of water teach children the importance of washing their hands? Your kids will be amazed!
46. Look at those beads dance! Water and bubbles have never been so exciting. Kids can create this easy science experiment with little prep and only a few materials.
47. Teaching your children the importance of hydration is easy and fun with the help of this simple potato hydration experiment!
48. Water and oil are fun to mix. See how oil and water interact in this fun experiment!
49. Do cans full of soda float or sink? Does it matter what kind of soda is in the can? You’ll never believe what happens! This would be a fun experiment when you go camping.
50. Learn how to make a water xylophone. Then learn about different pitches and discover how sound waves travel. You’ll also learn the science behind it all.

Want more simple science activities? We’ve collected 60 Very Simple Science Experiments

You’ve made it through 50 awesome science experiments using plain ordinary water. These experiments are perfect for school fair projects and make great family activities! So what are you waiting for? Gather those supplies and get ready for some cool science projects that everyone can enjoy together! Have fun!