Halloween Science Activity: Periodic Table Decoder


Use the Periodic Table as a “decoder” for Halloween words!

Grades 6 and Up

⭐ Get this Halloween science activity at a discount in our Halloween Activities Bundle!

Use element atomic numbers and symbols to decode words or phrases associated with Halloween, such as spooky, screams, black cat, etc. There’s a section with our favorite Halloween candy names to decode and unscramble, as well. There are 30 words/phrases in total.

NO PREP! Includes Google Slides and print versions!

Have fun all year with our Holidays Periodic Table Decoder Activities Bundle!

Teacher Notes:

  • No prior knowledge of the periodic table is required. Simply point out to students where to find the atomic number and symbol, and you’re good to go!
  • A clear and easy-to-read printable periodic table is included with the download.
  • Makes a great sub plan in October.
  • Answer key included.
  • Please note: this Halloween science activity is not editable.
  • GO PAPERLESS! This download includes a digital Google Slides version.
  • Related NGSS Standard: MS-PS1-1
  • Check out more resources in the Halloween science section of our shop!


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