ETS3. Technological Systems 7.
MS-ETS3-1(MA). Explain the function of a communication system and the role of its components, including a source, encoder, transmitter, receiver, decoder, and storage.
7.MS-ETS3-2(MA). Compare the benefits and drawbacks of different communication systems.
Clarification Statements: • Examples of communications systems can include radio, television, print, and Internet. • Examples of benefits and drawbacks can include speed of communication, distance or range, number of people reached, audio only vs. audio and visual, and one-way vs. two-way communication.
7.MS-ETS3-3(MA). Research and communicate information about how transportation systems are designed to move people and goods using a variety of vehicles and devices. Identify and describe subsystems of a transportation vehicle, including structural, propulsion, guidance, suspension, and control subsystems.
Clarification Statements:• Examples of design elements include vehicle shape to maximize cargo or passenger capacity, terminals, travel lanes, and communications/controls.• Examples of vehicles can include a car, sailboat, and small airplane
Show how the components of a structural system work together to serve a structural function. Provide examples of physical structures and relate their design to their intended use.
Clarification Statements: • Examples of components of a structural system could include foundation, decking, wall, and roofing. •
Explanations of function should include identification of live vs. dead loads and forces of tension, torsion, compression, and shear. •
Examples of uses include carrying loads and forces across a span (such as a bridge), providing livable space (such as a house or office building), and providing specific environmental conditions (such as a greenhouse or cold storage).
State Assessment Boundary: • Calculations of magnitude or direction of loads or forces are not expected in state assessment.
7.MS-ETS3-5(MA). Use the concept of systems engineering to model inputs, processes, outputs, and feedback among components of a transportation, structural, or communication system.