Unit Overview/Summary:  

Summary  

The unit organizes performance expectations with a focus on helping students build understanding of traits of organisms. Instruction developed from this unit should always maintain the three-dimensional nature of the standards and recognize that instruction is not limited to the practices and concepts directly linked with any of the unit performance expectations. 

Connections between unit Disciplinary Core Ideas (DCIs) 

The idea that matter cycles between the air and soil and among plants, animals, and microbes as these organisms live and die (LS2.B as in 5-LS2-1) connects to the idea that matter of any type can be subdivided into particles that are too small to see (PS1.A as in 5-PS1-1) because matter is subdivided into particles as it flows between organisms and the air and soil. The idea that matter flows also connect to the ideas that plants acquire their material for growth chiefly from air and water (LS1.C as in 5-LS1-1) and that food provides animals with the materials they need for body repair and growth (LS1.C in 5-PS3-1).  

Just as matter flows, energy can flow as well. As such, the idea that matter can flow connects to the concept that the energy released [from] food was once energy from the sun that was captured by plants in the chemical process that forms plant matter (PS3.D as in 5-PS3-1).  

The engineering design concept that communicating with peers about proposed solutions is an important part of the design process, and shared ideas can lead to improved designs (ETS1.B as in 3-5-ETS1-2) could connect to multiple science concepts, such as that a healthy ecosystem is one in which multiple species of different types are each able to meet their needs in a relatively stable web of life (LS2.A as in 5-LS2-1) and that gases are made from matter particles that are too small to see and are moving freely around in space (PS1.A as in 5-PS1-1). The first connection could be made through having students share designs for solutions to improve the health of a given ecosystem. The second connection could be made by having students share design for a device that uses the understanding that gases are made from matter particles too small to see. In either case, students should have an opportunity to communicate with their peers throughout the design process and reflect on how sharing their ideas affected their designs. 

Unit Science and Engineering Practices (SEPs) 

Instruction leading to this unit of PEs will help students build toward proficiency in elements of the practices of developing and using models (5-PS1-1, 5-PS3-1, and 5-LS2-1); constructing explanations and designing solutions (3-5-ETS1-2); and engaging in argument from evidence (5-LS1-1). Many other practice elements can be used in instruction. 

Unit Crosscutting Concepts (CCCs)

Crosscutting concepts have value because they provide students with connections and intellectual tools that are related across the differing areas of disciplinary content and can enrich their application of practices and their understanding of core ideas. As such, they are a way of linking the different domains of science.

Instruction leading to this unit of PEs will help students build toward proficiency in elements of the crosscutting concepts of Scale, Proportion, and Quantity (5- PS1-1); Systems and System Models (5-LS2-1); and Energy and Matter (5-PS3-1 and 5-LS1-1). Many other crosscutting concepts elements can be used in instruction. All instruction should be three-dimensional.