Unit Plan
Ck 12: Structure of the Atom Unit Plan
CK-12 Foundation

Ck 12: Structure of the Atom

For Students 9th - 10th
[Free Registration/Login may be required to access all resource tools.] Students learn about the important discoveries of subatomic particles, and how they led to our current understanding of the atom.
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Handout
Pbs: Planck Discovers the Quantum Nature of Energy Handout
PBS

Pbs: Planck Discovers the Quantum Nature of Energy

For Students 9th - 10th
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
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