8+sci+goal+3

Goal 3:
The learner will conduct investigations and utilize appropriate technologies and information systems to build an understanding of the hydrosphere.

Select an objective:
[|Objective 3.01]Analyze the unique properties of water including:
 * Universal solvent.
 * Cohesion and adhesion.
 * Polarity.
 * Density and buoyancy.
 * Specific heat.

[|Objective 3.02]Explain the structure of the hydrosphere including:
 * Water distribution on earth.
 * Local river basin.
 * Local water availability.

[|Objective 3.03]Evaluate evidence that Earth's oceans are a reservoir of nutrients, minerals, dissolved gases, and life forms:
 * Estuaries.
 * Marine ecosystems.
 * Upwelling.
 * Behavior of gases in the marine environment.
 * Value and sustainability of marine resources.
 * Deep ocean technology and understandings gained.

[|Objective 3.04]Describe how terrestrial and aquatic food webs are interconnected.

[|Objective 3.05]Analyze hydrospheric data over time to predict the health of a water system including:
 * Temperature.
 * Dissolved oxygen.
 * pH.
 * Nitrates.
 * Turbidity.
 * Bio-indicators.

[|Objective 3.06]Evaluate technologies and information systems used to monitor the hydrosphere.

[|Objective 3.07]Describe how humans affect the quality of water:
 * Point and non-point sources of water pollution in North Carolina.
 * Possible effects of excess nutrients in North Carolina waters.
 * Economic trade-offs.
 * Local water issues.

[|Objective 3.08]Recognize that the good health of environments and organisms requires:
 * Monitoring of the hydrosphere.
 * Water quality standards.
 * Methods of water treatment.
 * Maintaining safe water quality.
 * Stewardship.