Maryland

Core Learning Goal 1:

• 1.2.3 The student will formulate a working hypothesis.
• 1.5.2 The student will explain scientific concepts and processes through drawing, writing, and/or oral communication.
• 1.5.3 The student will use computers and/or graphic calculators to produce the visual materials (tables, graphs, and spreadsheets) that will be used for communicating results.

Core Learning Goal 2:

• 2.5.1 The student will investigate various physical cycles found in the natural world

AAAS Benchmarks: IIA; Systems.

• A system usually has some properties that are different from those of its parts, but appear because of the interaction of those parts.
• ... In defining a system, it is important to specify its boundaries and subsystems, indicate its relation to other systems, and identify what its input and its output are expected to be.