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MS-LS1-6

Page history last edited by Megan Cannon 4 years, 5 months ago

MS-LS1-6 From Molecules to Organisms: Structure and Processes

Students who demonstrate understanding can: Construct a scientific explanation based on evidence for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.
Clarification Statement: Emphasis is on tracing movement of matter and flow of energy.
Assessment Boundary: Assessment does not include the biochemical mechanisms of photosynthesis.

Crosscutting Concepts

Science & Engineering Practices 

Disciplinary Core Ideas 

Energy and Matter:

  • Within a natural system, the transfer of energy drives the motion and/or cycling of matter.

Constructing Explanations (for science) and Designing Solutions (for engineering): 

  • Constructing explanations and designing solutions in 6–8 builds on K–5 experiences and progresses to include constructing explanations and designing solutions supported by multiple sources of evidence consistent with scientific knowledge, principles, and theories.
  • Construct a scientific explanation based on valid and reliable evidence obtained from sources (including the students’ own experiments) and the assumption that theories and laws that describe the natural world operate today as they did in the past and will continue to do so in the future.

Organization for Matter and Energy Flow in Organisms:

  • Plants, algae (including phytoplankton), and many microorganisms use the energy from light to make sugars (food) from carbon dioxide from the atmosphere and water through the process of photosynthesis, which also releases oxygen. These sugars can be used immediately or stored for growth or later use. 

Energy in Chemical Processes and Everyday Life:

(secondary to MS-LS1-6)

  • The chemical reaction by which plants produce complex food molecules (sugars) requires an energy input (i.e., from sunlight) to occur.
  • In this reaction, carbon dioxide and water combine to form carbon-based organic molecules and release oxygen.

 


Introduction to the OKSci Framework

Return to Sixth Grade Introduction

Return to Cycles of Matter and Energy

 

 

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