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May 22, 2017 By Brandy 4 Comments

Home » Craft Tutorials » Kids Crafts

Sidewalk Paint Rockets: A fun backyard science activity!

Filed Under: Kids Crafts Tagged With: Kids Painting Crafts

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water! This post contains an affiliate link.

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
We made an entire rainbow of them and had fun setting them off and decorating the sidewalk in the backyard. The kids had friends over and everyone got involved with the mess!

We’ve made sidewalk paint out of corn starch, water, and food coloring many times. Did you know that if you add an antacid tablet and capture it in a small container that the gasses will build up and explode? I saw this idea in a kids magazine years ago and it was so easy!

Here’s how to do it!

Sidewalk Paint Rockets

 

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
 

Supplies:

antacid tablets

cornstarch

film canisters

food coloring

water

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
Add 2 drops of food coloring to each container, followed by 1/2 tsp. cornstarch.

Fill with water until canister is 1/3 full. Stir.

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
Break an antacid tablet into 3 or 4 smaller pieces. You will need one full tablet (broken into smaller pieces) per canister.

 

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
And now for the fun part!

 

Place the canister on the ground with plenty of clearance space. QUICKLY add the antacid tablet pieces, snap the lid onto the canister, turn it over so that the lid is against the ground, and RUN!

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
The canister will shoot high into the air, leaving behind a colorful starburst behind! You can’t stop at just one rocket. Keep setting them off until your sidewalk looks like it has been beautifully tie-dyed!

A science experiment, crowd pleaser, and boredom buster all in one! These sidewalk paint rockets splatter colorful bursts of chalk paint on the ground and clean up with water!
Hose down the sidewalk with water when you are ready to clean up.

Here are 5 more fun antacid tablet science experiments to try!

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Science Experiments for Kids

Sidewalk paint rockets, colored carnations, fizzy water, bobbing raisins, balloon rockets and more! This collection of easy science experiments for kids is a great way to spark curiosity and creativity during the summer months off of school!

Dino Excavating Activities

A collection of fun dinosaur activities for kids! Dinosaur egg soap, and an ice excavating activity!

Colored Carnations Science Experiment

A science experiment and beautiful centerpiece all in one! Watch as the color rises through the stem and throughout the petals like magic!

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About Brandy

Welcome! I'm Brandy, mother to 5 darling kiddos and a cute black lab named Toby. My husband is in the Coast Guard so we've lived all over the place, turning each house into a home. I love baking, sewing, making cute things with my kids, and sharing what I've learned with all of you!

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Comments

  1. Angie ~ ambientwares says

    June 24, 2017 at 10:08 am

    This looks like so much fun! I know my husband would love it too 😉 Thanks for sharing at Funtastic Friday, Brandy. Pinned & sharing

    Reply
  2. roseannmhampton says

    June 25, 2017 at 6:23 pm

    I used to do this activity with my students when I taught science – they always loved it!

    Reply
  3. Mary-The Boondocks Blog says

    June 27, 2017 at 1:32 pm

    What a fun idea. makes me wish I was a kid all over again so I could play with them too.

    Reply
  4. JESS44903 says

    July 1, 2017 at 9:25 am

    Wow! These look like so much fun! 🙂

    I would love for you to share this with my Facebook Group for recipes, crafts, tips, and tricks: https://www.facebook.com/groups/pluckyrecipescraftstips/

    Thanks for joining Cooking and Crafting with J & J!

    Reply

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About the Author

Welcome! I'm Brandy, mother to 5 darling kiddos and a cute black lab named Toby. My husband is in the Coast Guard so we've lived all over the place, turning each house into a home. I love baking, sewing, making cute things with my kids, and sharing what I've learned with all of you! Learn More About The Author

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I don’t decorate for Valentine’s Day (still re I don’t decorate for Valentine’s Day (still recovering from Christmas 😂), but I always have holiday candy on hand! This year I filled the jar with petite sour hearts after hearing how amazing they are from @triedandtruemoms. They were right, we are all fans over here! Maybe more places will stock them now that they are in such demand. I ordered mine from @candynationusa (don’t waste your time looking on Amazon. They are charging twice as much for less candy).
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Tip: when buying produce, buy extra to freeze. I buy an extra pineapple, an extra package of grapes, an extra bunch of bananas and an extra bag of spinach and freeze them for smoothies. I slice everything up and freeze it on baking sheets then bag it up. It makes it easy to grab a handful to toss into a blender. You can freeze entire bags of spinach too and add a handful to smoothies. I always blend my spinach and water first then add the rest of the fruit. No little spinach chunks in the smoothie that way. 🙌🏻 
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