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Water Balloon Science Experiment

Kids love playing with water, which makes learning from water balloon experiment so engaging and exciting. This water balloon science experiment is a great way to help children explore density for kids  with outrageously FUN water experiments! Try this science experiments with balloons and water as an EPIC  summer activity for kids with kids of all ages from preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th graders too!

Kids love playing with water, which makes learning from water balloon experiment so engaging and exciting. This water balloon science experiment is a great way to help children explore density for kids  with outrageously FUN water experiments! Try this science experiments with balloons and water as an EPIC  summer activity for kids with kids of all ages from preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th graders too! 

Water balloon experiment

My kids have been obsessed with experiments exploring the properties of water lately. In a recent science fair my son did a presentation on “does it float” and played with a variety of different concepts. Since we have already done quite a lot of flotation experiments and water projects for kids, I knew I was going to have to come up with something unique and different to capture their imagination.  This water balloon experiment is such a fun summer science project that will not only delight young learners, but teach too! This wter balloon science experiment is fun for preschoolers, kindergartners, and elementary age students in grade 1, grade 2, grade 3, grade 4, grade 5, and grade 6. My kids absolutely loved this balloon science experiment and keep asking to do it again and again.

Water Balloon Science Experiment

The idea of this density experiments for kids is to explore what liquids float, and which ones sink, by filling water balloons with different liquids. Whether you are a parent, teacher, or homeschooler – you will love this project. Add this to your summer science program, summer learning, science camp, and your summer bucket list. No matter how you use this – it is a memorable, engaging way to help kids explore the density of liquids!

water balloon science project

Science experiments with balloons and water

What do I need for this water experiment?

  • A large container filled with water. Look for something with a depth of at least double the size of your water balloons when they are filled. Deeper is even better!
  • Water balloons
  • 60mL Syringe
  • Different liquid solutions (some ideas: water, vegetable oil, corn syrup, salt water, sugar water, juice, etc.)
  • Permanent marker

Science Experiments with Water

I highly recommend you do this activity outside. Water balloons are very easy to pop! I also recommend you fill multiple balloons with each type of liquid. That way if one pops you have some back ups.

density-science-project

Density experiments for kids

Water balloons are meant to be filled under pressure. Using the syringe you can easily fill the balloons. We found a 60mL syringe made perfect, egg sized water balloons. Simply wash well after each type of liquid so you don’t cross contaminate.

Here are some ideas for what to put in your balloons:

  • lamp oil
  • rubbing alcohol
  • vegetable oil – One note of caution: We found vegetable oil tended to weaken our water balloons making them more prone to popping. We did not experience this with any other liquid type, only vegetable oil.
  • dish soap
  • milk
  • maple syrup
  • corn syrup
  • honey
  • salted water

Filling the balloons with a syringe is a fantastic fine motor strengthening activity, but prepare them outside or in an easy to clean up space, as it can get messy.

using a 60mL syringe fill the water balloons with various different liquids to perform the density experiment

Water Experiments

As you fill each balloon make sure you label it so they don’t get mixed up.

Once your balloons are filled, head over to your container. This is the perfect time to ask for some predictions. Will it sink or will it float? Then place your balloons in the water and watch what happens.

cool-summer-science-experiments-for-kids

Balloon science experiment

The science behind this water balloon experiment

Different types of liquids have different densities. In this experiment we are able to see which liquids have a greater density than water causing them to sink, and which ones are less dense than water, which allows them to float.

Helping children gras the concept of solid liquid gas for kids is tricky - students learn best by seeing and touching and you can't do either with gas. This states of matter for kids project allows you to EASILY introduce  the 3 states of matter for kids using balloons! This solid liquid gas kindergarten, pre-k, first grade, 2nd grade, 3rd grade, 4th grade, and up is perfect for summer learning, science lesson, and more. WE've also included a wy to turn this into a density experiment for kids as well!Plus don't miss the printable states of matter worksheet pdf to explore the concept further! two simple water cycle activities to help you teach about water cycle for kids. These science projects help you teach your littles all about the water cycle on the earth. Start with the water cycle experiment which provides a great way to see how water turns to gas and back into a liquid again. Then try our water cycle craft to help kids to reinforce the water life cycle. These are both fun ways to learn about the water cycle for kindergarten, pre-k, first grade, 2nd grade, and 3rd grade science.   Have you ever tried making a Rainbow in a Jar project? If you haven't tried this classic density experiment, I'm going to show you how easy it is to make with a few common household items! This rainbow science experiment is so pretty and will amaze your preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th grade students. Try this rainbow experiment as part of a weather theme, St Patricks Day activity, a rainbow theme or a spring activity for kids.  Looking for a really fun and memorable science experiment for kids? You will love these EPIC pop rocks experiment. Try this pop rocks science experiment with preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, and 4th grade students to try a simple chemical reaction. This Whether you try this pop rocks science experiments for homeschool science, at a science birthday party, or as part of a summer science project - this is a MUST try,  really cool science experimentkids will LOVE.

Solid liquid Gas examples for kids

Explore states of matter further with these fun projects:

This balloon painting has got to be the highlight of our summer! This summer craft for kids is the perfect blend of an art project and a summer activity for kids. It is quick and easy to get ready and loads of fun to try this water balloon painting! Plus when you finish this water balloon activity, you will have a fun keepsake of your summer fun. This balloon paint art is perfect for preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, and 4th graders too. Nothing says summer like water balloon games!  They are cheap, quick, FUN, and a great way to cool off on a warm summer day! Bug if your kids are tired of playing balloon toss, let us help you take your water balloon activities to a new level of summer activities for kids with these fun games to play with water balloons. These fun water balloon games are perfect for toddler, preschool, pre-k, kindergarten, first grade, 2nd grade, and elementary age students! Are you ready to make something really cool with your kids? Your children will go nuts over this fun, easy to make Lego Balloon Car. This such a fun physical science experiment to try with preschool, pre k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th grade students. Ready to build your balloon car? balloon painting art project for toddlers

Balloon Craft Ideas

Looking for more fun ways to play with balloons this summer?

 DIY Lava Lamp - super easy way to make your own lava lamp with simple things you have around your house. This homemade lava lamp is such a fun science project for kids of all ages to sneak in some summer learning. This science experiment is for toddlers, preschoolers, pre k, kindergarten, first grade, 2nd grade, 3rd grade, and kids of all ages at home, homeschool, summer camps, classroom, etc. Looking for a really fun and memorable science experiment for kids? You will love these EPIC pop rocks experiment. Try this pop rocks science experiment with preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, and 4th grade students to try a simple chemical reaction. This Whether you try this pop rocks science experiments for homeschool science, at a science birthday party, or as part of a summer science project - this is a MUST try,  really cool science experimentkids will LOVE. Take your homemade playdough to a whole new level of FUN with this amazing Color Changing Playdough recipe. This is sure to be a hit with toddler, preschool, pre k, kindergarten, first grade, and 2nd grade children alike.  Ready? Set. GO! This really fun car activity for kids is sure to be a hit. Whether you race your cars outside as a summer activity or indoors as a rainy day activity for kids - this is EPIC! This pool noodle activity is fun for toddler, preschool, pre-k, kindergarten, first grade, 2nd graders, and up. Just grab a pool noodle, duct tape, and our free printable to create a cool hot wheels race tarck in just 5 minutes!

Summer Science

Looking for more outdoor activities for kids and things to do in the summer? Your toddler, preschool, pre k, kindergarten, and elementary age kids will love these fun ideas to keep them busy all summer long:

This craft using egg shell is a fun simple summer craft for kids that uses things you have laying around your house. Kids will love giving their egg head craft personality, watching their hair grow, and giving their egg craft a haircut! This diy chia pet is perfect for toddlers, preschoolers, kindergartners, grade 1, and grade 2 students! Plus this spring activities for preschoolers science is the perfect addition to a planting seeds with preschoolers activity for your plants and seeds lesson plan! Kids are going to love this really fun Frozen Rainbow Eruptions science activity where kids will make beautiful rainbows as they create a chemical reaction! This baking soda and vinegar experiment! This rainbow activities for preschoolers usese a couple simple materials for a mesmerizing, colorful preschool summer activity! Use this rainbow science with toddler, preschool, pre-k, kindergarten, first grade, 2nd grade, and 3rd graders. Beautiful summer craft for kids using flowers EPIC Bubble Painting - kids of all ages will love this fun summer art project where they will make a bubble craft by blowing bubbles. Recipe included for this fun to make, easy, summer activity for kids!

Summer Activities for Kids

Edible Ice Cream Playdough Recipe - amazing 2 ingredient playdough recipe perfect for toddler, preschool, kindergarten and kids of all ages for an ice cream thing, kids activity, or summer bucket list #playdough #playdoughrecipes #icecream This vinegar and baking soda rocket is an out-of-this-world fun AND educational summer activity for kids! Preschool, pre-k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th grade students will enjoy making the baking soda rocket. This how to make a bottle rocket project is one of those really cool science projects your kids will remember forever!  EASY Stained Glass Craft for Kids - this fun art project is great for kids of all ages from toddlers, preschoolers, kindergartners, elementary age age and families to make to bright their front door or a window up with a spring craft for kids. You will love this art project

Fun Summer Activities for Kids

100 Amazing Food Experiments for Kids - so many clever edible science projects for kids of all ages to explore chemistry, biology, physics, and earth science! #scienceexperiment #scienceproject #kidsactivities capillary-action-science-experiment-for-kids Help kids learn about what is under their skin with this fun, interactive, and hands on human body project for kids from toddler, preschool, pre k, kindergarten, first grade, 2nd grade, 3rd grade, 4th grade, 5th grade, and 6th grade students. This can be a simple life size human body project or use our free printable templates to add bones of the body, organ templates, and more. This engaging science project is EASY and LOW PREP too.  dying flowers science experiment

Science for Kids

Looking for lots more fun, science experiments for kids? You’ve GOT to try some of these outrageously fun science experiments for kids! We have so many fun, creative and easy science experiments for elementary age children:

About the author

Beth Gorden

Beth Gorden is the creative multi-tasking creator of 123 Homeschool 4 Me. As a busy homeschooling mother of six, she strives to create hands-on learning activities and worksheets that kids will love to make learning FUN! She has created over 1 million pages of printables to help teach kids ABCs, science, English grammar, history, math, and so much more! Beth is also the creator of 2 additional sites with even more educational activities and FREE printables - www.kindergartenworksheetsandgames.com and www.preschoolplayandlearn.com

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