Periodic Table Lesson: Groups, Periods & How It Is Organized, Grades 6-8

A store puts similar things on the same shelf. How would you arrange 118 elements? Students think about that first, then see how the periodic table does it: in order of atomic number, left to right, in rows, so that look-alikes line up in columns.

What's inside

• 18 slides, with speaker notes on all 18
• Lesson plan, 2 pages
• Student worksheet, 2 pages
• Answer key, 1 page

Answer key included

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