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Ghost Rockets STEM Project
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How to Make Ghost Rockets

These ghost rockets are SO FUN and easy to make! Mix a few simple ingredients and watch your ghost fly straight into the air. It’s the ultimate hands-on way to combine learning with a little Halloween excitement!
Active Time5 minutes
Total Time5 minutes
Yield: 1 ghost rocket
Author: Debbie Chapman
Cost: $1

Equipment

Materials

Instructions

Step 1: Find what you need

  • Gather your supplies and materials.
    Ghost Rockets Supplies

Step 2: Draw a ghost face

  • Hold the container with the lid facing you.
    Ghost Rockets
  • Draw a ghost face on one side of the container with an oil paint marker. The top of the ghost is the bottom of the container.
    Ghost Rockets

Step 3: Add the first ingredients

  • Add 1/2 teaspoon cornstarch to the container.
    Ghost Rockets
  • Then fill about 1/3 of the way with water (it's okay if it's closer to 1/2 full).
    Ghost Rockets
  • Stir the cornstarch and water with a popsicle stick or small spoon.
    Ghost Rockets

Step 4: Go outside and watch the ghost rocket fly

  • Break an Alka-Seltzer tablet in half.
    Ghost Rockets
  • Very important: You must do this next step outside.
    Drop the Alka-Seltzer tablet into the container.
    Ghost Rockets
  • Close the lid as quickly as possible. Make sure it snaps on tight.
    Ghost Rockets
  • Flip the ghost right side up, so the lid is on a flat surface. This can be a table, bench, or the ground.
    Ghost Rockets
  • Make sure to take a big step back and watch in anticipation as the pressure builds up in the container and the ghost pops off!
    Ghost Rockets
  • Watch in awe as your ghost rocket flies into the air!
    Your ghost rocket is complete.
    Ghost Rockets

Video

Notes

Looking for more ghost crafts? Here's a few of our favourites:
Paper Plate Handprint Ghost
Cheesecloth Ghost
Paper Roll Ghost