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in Seasonal STEAM· Summer STEM Activities

GALAXY OOBLECK SCIENCE EXPERIMENT

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Doing STEM activities in the summer is so much fun! Kids can learn a lot doing science experiments for kids at home in the summer, and the galaxy oobleck science experiment is the perfect example of the best summer science project!

With galaxy oobleck, you can learn all about density, fluids, states of matter, and non-Newtonian fluids right in your own backyard.

The fun galaxy colors make this summer science experiment even more fun and exciting for kids to do at home.

Make summer learning fun when you make the galaxy oobleck science experiment. Kids will love this colorful version of the non-Newtonian fluid and will ask to do this science experiment over and over. Summer science experiments are fun for kids of all ages. #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Don’t let your kids waste their brainpower on screen time all summer long, make things fun and interesting with the oobleck science experiment!

Kids will have a blast making it, and it just might become one of your favorite summer STEM activities. 

For more fun space-themed learning, try making a solar system mobile, planet slime, or galaxy slime!

WHY DO SUMMER SCIENCE EXPERIMENTS AT HOME?

Summer is a time of relaxing and fun and no learning activities.

Well.. that’s not what we believe here.

Our summers are always full of DIY summer camps and tons of summer learning activities. 

One of our favorite summer activities are science experiments. We’ve been doing science experiments every summer since about 2014, and my kids really look forward to doing hands-on science experiments and science projects at home during the summer months.

The biggest advantage to doing summer science experiments at home is that your kids will retain more knowledge over the summer, and come back prepared for learning in the fall. My kids always score at the top of the class in science thanks to all the science activities we’ve done at home over the years.

It makes quite a difference in their opinion of science and the subjects they prefer at school.

Doing science with girls is particularly important because sometimes science can still have a “boy” vibe, which makes some girls feel like they can’t be that interested in the subject.

Which is of course, silly. Kids of both sexes can enjoy science experiments at home.

summer stem activities

Don’t Miss: Creative STEM Activities for Kids

WHAT IS OOBLECK?

Make science fun with the galaxy oobleck science experiment. Kids will love this bright galaxy colored version of their favorite science experiment. It's the perfect summer science experiment to try at home with kids! Science experiments for kids are super fun this summer! #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Oobleck is a substance that has both properties of a liquid and properties of a solid at the same time. The name Oobleck comes from an old Dr. Seuss book, called Bartholomew and the Oobleck, which was a big, green, gooey monster.

I don’t know who the first person was to call cornstarch quicksand oobleck, but the name stuck, and now almost everyone knows what oobleck is. Whether you call it goop, oobleck, cornstarch quicksand, cornflower soup, or anything else, it’s a fun and simple science experiment that you can use to teach the states of matter to kids.

Try freezing it for even more science learning!

You’ll also want to try: Summer Slime Recipes

WHAT IS THE SCIENCE BEHIND OOBLECK?

When it comes to summer science experiments, keep things hands on and fun by introducing color and fun summer themes like the galaxy. This galaxy oobleck science experiment is sure to be a hit with your kids, and they will have so much fun they won’t even realize they are learning! #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Oobleck works because it is a non-Newtonian fluid. Issac Newton thought that things could not act like different states of matter at the same time. But cornstarch quicksand does. When you apply pressure to the molecules in the oobleck, they stick together and form a solid. But when you release the pressure, there is nothing holding the molecules together, so they drift apart like a liquid.

That is why if you make a big enough tub of oobleck, you can run across it without sinking in, but if you stand still, you sink right in.

But try to get out too fast and you’ve run into a problem!

You’ll also love: Easy Science Experiments for Kids

steam challenge cards

STEAM ELEMENTS IN GALAXY OOBLECK

Make learning fun with galaxy oobleck slime, a fun twist on cornstarch quicksand and non-Newtonian fluid science. Learn what is oobleck and how liquids can act like solids and liquids at the same time in this fun summer science experiment! #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Science: Explore the science of non-Newtonian fluids. What makes it act like a liquid and a solid?

Technology: While making the oobleck, learn about the technology we use to view galaxies and nebula in space.

Engineering: Experiment with mixing your oobleck colors to create the prettiest oobleck recipe.

Math: Measure the idea ratio of cornstarch to liquid to make the perfect oobleck!

More Fun Science: STEM Experiments for Elementary 

WHAT YOU’LL NEED TO MAKE GALAXY OOBLECK

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Make science fun with the galaxy oobleck science experiment. Kids will love this bright galaxy colored version of their favorite science experiment. It's the perfect summer science experiment to try at home with kids! Science experiments for kids are super fun this summer! #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

The Mason Jar Scientist: 30 Jarring STEAM-Based ProjectsThe Mason Jar Scientist: 30 Jarring STEAM-Based Projects18 x 26 Inch Plastic Tray White18 x 26 Inch Plastic Tray White365 Everyday Value, Corn Starch, 16 Ounce365 Everyday Value, Corn Starch, 16 OunceFood Coloring Liqua-Gel - 12 Color Variety Kit in .75 fl. oz. (20ml) BottlesFood Coloring Liqua-Gel – 12 Color Variety Kit in .75 fl. oz. (20ml) BottlesSlime Supplies Glitter Powder Sequins for Slime,Arts Crafts Extra Solvent Resistant Glitter Powder Shakers,Bulk Acrylic Polyester Craft Supplies Glitter Loose Eyeshadow,Assorted Colors,12 Pack GlitterSlime Supplies Glitter Powder Sequins for Slime,Arts Crafts Extra Solvent Resistant Glitter Powder Shakers,Bulk Acrylic Polyester Craft Supplies Glitter Loose Eyeshadow,Assorted Colors,12 Pack Glitter

Use liquid watercolors for less mess!

HOW TO MAKE THE GALAXY OOBLECK SCIENCE EXPERIMENT

Follow along with these directions to do your own galaxy oobleck science experiment. Add in extra variables to make this science experiment your own!

Make science fun with the galaxy oobleck science experiment. Kids will love this bright galaxy colored version of their favorite science experiment. It's the perfect summer science experiment to try at home with kids! Science experiments for kids are super fun this summer! #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Start by adding one cup of corn starch to a bowl or mason jar. You will need three jars total.

Add some blue, purple, and pink food coloring to one of each of the jars.

Add enough water to turn the oobleck from a solid, into nearly a liquid.

Make science fun with the galaxy oobleck science experiment. Kids will love this bright galaxy colored version of their favorite science experiment. It's the perfect summer science experiment to try at home with kids! Science experiments for kids are super fun this summer! #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

The liquid should be stiff enough to give resistance when you stir. That’s how you know the oobleck is the right consistancy.

It took us about 1/2 a cup of water to reach the right consistency, but each time you make it the ratios are slightly different.

Make summer learning fun when you make the galaxy oobleck science experiment. Kids will love this colorful version of the non-Newtonian fluid and will ask to do this science experiment over and over. Summer science experiments are fun for kids of all ages. #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Once the oobleck is mixed, pour it onto your tray.

Make summer learning fun when you make the galaxy oobleck science experiment. Kids will love this colorful version of the non-Newtonian fluid and will ask to do this science experiment over and over. Summer science experiments are fun for kids of all ages. #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Add glitter for dramatic effect.

Make summer learning fun when you make the galaxy oobleck science experiment. Kids will love this colorful version of the non-Newtonian fluid and will ask to do this science experiment over and over. Summer science experiments are fun for kids of all ages. #stem #stemed #science #scienceexperiments #summer #summerfun #summeractivities

Play with the oobleck. What happens when you squeeze it? What happens when you let it rest?

steam challenge cards

More Oobleck Recipes

Try these fun variations on the galaxy oobleck science experiment. What other versions can you make?

Need a quick science experiment? Cornstarch quicksand is easy to make and teaches an interesting science lesson in non-Newtonian fluids at the same time. Science experiments with cornstarch are tons of fun, and this conrstarch science project is suitable for kids of all ages! #science #stem #stemed #scienceexperiments #kidsactivities #handsonlearning

Cornstarch Quicksand

If you love oobleck, STEM activities, science projects, and all things fun, you'll love this glow in the dark oobleck experiment for kids. Fun for all ages!

Glow in the Dark Oobleck

Valentine's Day is filled with fun and science when you make this easy oobleck recipe using conversation hearts! Kids will love making this!

Valentine’s Day Oobleck

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Filed Under: Seasonal STEAM, Summer STEM Activities Tagged With: summer

About Brenda Priddy

Brenda grew up thinking she hated science.

But when her 4-year- old daughter was more interested in reading science facts than fairy tales, Brenda realized she had to learn more about science to keep up with her daughter.

Through simple at-home science experiments, Brenda developed a passion for science and now acts as an advocate for STEM education for kids at her website STEAMsational.com.

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What is STEAM?

STEAM activities for kids promote the idea that science, technology, engineering, art, and math can all work together to help kids become critical thinkers, problem solvers, and innovators!

Join us on our journey to discover just how much fun science experiments can be.

What we do… 

STEAMsational offers STEM and science lesson plans and teaching resources to provide a firm STEM foundation for children in the classroom or home.

All you need to do is find your supplies, gather your scientists, and let the innovation unfold.

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