6.1 Light and Matter

6.2 Thermal Energy

6.3 Weather, Climate and Water Cycling

6.4 Rock Cycling and Plate Tectonics

6.5 Natural Hazards

6.6 Cells and Systems

7.1 Chemical Reactions and Matter

7.2 Chemical Reactions and Energy

7.3 Metabolic Reactions

7.4 Matter Cycling and Photosynthesis

7.5 Ecosystem Dynamics

7.6 Natural Resources and Human Impact

8.1 Contact Forces

8.2 Sound Waves

8.3 Forces at a Distance

8.4 Earth in Space

8.5 Genetics

8.6 Natural Selection and Common Ancestry