2.1 – What features provide evidence of glacier movement?
2.2 – What is a watershed and what components exist within it?
2.3 – How do tides and waves occur in the oceans and how do they interact with shorelines?
2.4 – What is an ocean current and how does it impact regional climates?
3.1 – What organisms live in fresh and salt water and how have they adapted to live in the world’s water systems?
3.2 – What factors affect changes in populations of living things found in aquatic environments over time?