« Return to AACT homepage

AACT Member-Only Content

You have to be an AACT member to access this content, but good news: anyone can join!


Have a student passcode? Enter it below to access our videos, animations, and ChemMatters Issues.


Need Help?

In this activity, students will solve a puzzle by using element symbols from the periodic table to fill-in missing letters in familiar chemistry terms related to energy and thermodynamics.

Element Names

Aluminum
Iodine
Oxygen
Tellurium
Astatine
Germanium
Phosphorus
Thorium
Calcium
Potassium
Rhenium
Titanium
Erbium
Molybdenum
Roentgenium
Uranium
Iodine
Neodymium
Selenium
Vanadium
Indium
Neon
Tantalum