
Periodic Table
Grade 9 · Science · 45 min
What's Included
Learning Objective
I can explain how the periodic table organizes elements based on increasing atomic number and recurring chemical properties.
Warm-Up Video
Khan Academy Organic Chemistry · 8:56
The periodic table | Atoms, elements, and the periodic table | High school chemistry | Khan Academy
Practice Questions
7 questions · Short answer
Exit Ticket
Quick comprehension check
“How does the arrangement of elements in the periodic table demonstrate recurring chemical properties? Explain how elements within the same group on the periodic table exhibit similar chemical behaviors. ”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts



