1.   Scale, Proportion, and Quantity (Matter, Water Sources, Observing the Stars) 

2.  Cause and Effect (Mixtures, Gravity)

3.  Systems & Systems Models (Food Webs, Earth's Systems Interactions)

4.  Structure & Function

5.  Energy & Matter (Matter & Energy in Plants, Energy Transfer)

6.   Constructing Explanations & Designing Solutions

7.   Asking Questions/Defining Problems

8.   Developing and Using Models (Matter is Everywhere, Ecosystems)

9.   Using Mathematics & Computational Thinking (Changes to Matter, Water Sources)

10.  Analyzing & Interpreting Data (Earth's Rotation, Objects in the Sky)