Lesson 8

• Cause #1 poster (PDF: 711 KB / 1 page / 11" X 8½")
• Illustration of Aluminum Atom (PDF: 139 KB / 1 page / 8½" X 11")
• Some Molecules that Make up Air (PDF: 183 KB / 1 page / 8½" X 11")
• Thinking about Atomic Mass and Density sheet (PDF: 83 KB / 1 page / 8½" X 11")
• The Role of Atomic Mass in Density sheet (PDF: 147 KB / 1 page / 8½" X 11")
• Densities of Common Substances Under Standard Conditions Table (PDF: 69 KB / 1 page / 8½" X 11")

Lesson 9

• Cause #2 poster (PDF: 426 KB / 1 page / 11" X 8½")
• Water Molecule illustration (PDF: 163 KB / 1 page / 8½" X 11")
• Molecular Diagram of Graphite (PDF: 226 KB / 1 page / 8½" X 11")
• Molecular Diagram of Diamond (PDF: 247 KB / 1 page / 8½" X 11")
• How and Why article by David Ropeik (PDF: 96 KB / 1 page / 8½" X 11")
• The Densest Element sheet (PDF: 69 KB / 1 page / 8½" X 11")

Lesson 10

• Cause #3 poster (PDF: 403 KB / 1 page / 11" X 8½")

Lesson 11

• Group Discussion of the Causes of Density sheet (PDF: 93 KB / 1 page / 8½" X 11")
• Cause #1 poster (PDF: 711 KB / 1 page / 11" X 8½")
• Cause #2 poster (PDF: 426 KB / 1 page / 11" X 8½")
• Cause #3 poster (PDF: 403 KB / 1 page / 11" X 8½")
• Multiple Causes sheet (PDF: 106 KB / 2 pages / 8½" X 11")
• Soap Bubble picture (PDF: 86 KB / 1 page / 8½" X 11")
• What Causes Differences in Density?: Drawing Models sheet (PDF: 68 KB / 1 page / 8½" X 11")
• Thinking About Multiple Causes sheet (PDF: 68 KB / 1 page / 8½" X 11")
• Pitfalls in Reasoning About Density sheet (PDF: 69 KB / 1 page / 8½" X 11")

Lesson 12

• How do Molecules Move? sheet (PDF: 101 KB / 1 page / 8½" X 11")
• Reflecting on What You've Learned about Changes in Density sheet (PDF: 70 KB / 1 page / 8½" X 11")
• Cause #1 poster (PDF: 711 KB / 1 page / 11" X 8½")
• Cause #2 poster (PDF: 426 KB / 1 page / 11" X 8½")
• Cause #3 poster (PDF: 403 KB / 1 page / 11" X 8½")