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Classroom GamesNo. 1730 · The 2026 edition

39 Halloween STEM Activities Kids will Love

Get ready to turn spooky season into a learning adventure! This collection of 39 Halloween-themed STEM activities brings together science, technology, engineering, and math in ways that are both fun a

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Our own summary of the original — the full post and photos live at teachingideas.ca.

halloween stem activity shows a carved pumpkin.
PHOTO · TEACHINGIDEAS.CA

This guide features 39 engaging Halloween STEM activities designed for kids, organized into four key categories: Science, Technology, Engineering, and Math. Each activity offers a unique opportunity to explore core concepts through hands-on experiments, creative crafts, and interactive challenges. Whether you're looking to spark curiosity, build critical thinking skills, or simply enjoy some festive learning, this collection provides a variety of options to keep young minds entertained and educated throughout the holiday.

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Directions

  1. Science section: Exploding Pumpkin, Halloween Thaumatrope, Dancing Corn Experiment, Witches Oobleck, Ghost Rockets, Ghost Balloon, Frozen Hand outdoor science, Pumpkin Science experiment, Cotton-swab Skeletal System, Spinning Spider Magnetic Science, Pumpkin Skittles experiment, Pumpkin Life Cycle, Pumpkin Potions, Pumpkin Lava Lamp, Melting Play Dough, Magic Spider Web, Pumpkin Sensory Activity, Pumpkin Boats, Fizzing Pumpkins, and the Halloween Pumpkin Game.
  2. Technology section: Make the Possessed Bone, How to Make a Mummy (Mummified Apple) with day-by-day results, Halloween Blood Slime, Halloween Mummy Circuit Craft, and Minecraft Halloween STEM pixel art.
  3. Engineering section: Pumpkin Bridge, Frankenstein Cup and Ball Game, Skeleton Bridge, Spooky Pop-Up STEAM, Spider Web Hanger, Ghost Tower, and Skeleton House.
  4. Math and escape room section: Make a Halloween Escape Room with counting and codes, Halloween Escape Room with step-by-step instructions and free printable puzzles, Kindergarten Worksheets using pumpkin seeds for counting, Halloween Graph Worksheet counting ghosts and cats, and Halloween Math.
  5. For each activity, follow the linked outside tutorial or printable to set up the experiment or build challenge.

Open the original on teachingideas.ca