Teach atoms, ions & isotopes with ready lesson plans, slides, games & worksheets. Complete chemistry unit for middle & high school - some free resources, periodic table integration. Download now!

High quality & low cost periodic table unit for middle school science: lesson plans, slides, games, worksheets on atomic number, valence electrons, trends. Engage students & save prep—download now!

Complete Periodic Table unit: lesson plans, worksheets, games & projects. Science teachers—grab free and some paid resources, teach atomic number fast.

Master atomic structure with our protons, neutrons & electrons unit—worksheets, activities, and more for science classrooms.

Discover 14 must-have Periodic Table & elements resources with crosswords, worksheets & more—energize your science class now!

Teach isotopes with ease! Explore 19 engaging worksheets on subatomic structure, plus free answer keys—perfect for science teachers!

Boost learning with this free 4-worksheet bundle on protons, neutrons, electrons & isotopes—perfect for science teachers!