• 7.1 The Atom
• Einstein's Explanation of Brownian Motion (requires Java)
• Brownian Motion video
• Brownian Motion tutorial
• Notes

• 7.1 The Atom
• The Rutherford Experiment (requires Java)
• Rutherford's Model of the Atom
• Rutherford Scattering
• Notes

• 7.1 The Atom
• Energy Levels in Hydrogen (click on animation link at bottom right)
• Hydrogen Atom Simulation
• pHET: Models of the Hydrogen Atom
• Notes

• 7.1 The Atom
• Notes

• DESIGN LAB: Investigating the factors affecting wave speed in a slinky

• 7.2 Radiactive Decay
• Radiactivity & Natural Radiation Sources
• Radioactive Decay
• Technological Hazard>Radiation Hazard>Interaction of radiation with matter
• Alpha particles in a cloud chamber
• Interaction of Radiation with Matter
• Notes

January 23

• STORM DAY