Chalk Rockets Recipe
A quick, mess‑free science experiment that turns a simple film canister into a rocket. With just corn starch, a splash of water, food coloring, and an Alka‑Seltzer tablet, kids can watch a fizzy launch right in their backyard. It’s perfect for a sunny afternoon of outdoor fun.
Recipe by Sarah Elizabeth· Structured by ReelsMeals
From: Facebook(view original)
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Prep Time
Cook Time
Servings
Ingredients
- 1 tbsp corn starch
- a few drops food coloring
- water, to taste
- 1 Alka Seltzer tablet
Instructions
- 1Fill a film canister with 1 tablespoon of corn starch.
- 2Add a few drops of food coloring and a splash of water.
- 3Drop in one Alka Seltzer tablet, quickly put the lid on, and flip the canister upside down.
- 4Watch the rocket blast off!
Helpful tips while cooking
AI-assisted notes grounded in this recipe's ingredients, timings, and method—not additional creator instructions.
Measure corn starch precisely
Fill the film canister with exactly 1 tablespoon of corn starch before adding any liquids.
Add only a splash of water
Use just a splash of water.
Seal and flip quickly
After dropping in the Alka‑Seltzer tablet, close the lid promptly and invert the canister to launch.
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Frequently asked questions
- How many servings does this Chalk Rockets recipe make?
- This recipe makes 1 serving as written; ingredient quantities on this page can be scaled.
- Where does this Chalk Rockets recipe come from?
- It was shared by Sarah Elizabeth on facebook.com. ReelsMeals structured the original post into this step-by-step card; the original is linked above.