Difference between revisions of "MS-LS1-6"
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Latest revision as of 22:37, 20 September 2026
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.
Assessment
What assessment of MS-LS1-6 might look like on a NY state exam.
| Exam | Cluster | Question |
|---|---|---|
| Spring 2026 | Quaking Aspen | Question 23 |
Performance Level Descriptions
PLDs communicate the knowledge and skills expected of students to demonstrate proficiency in each Learning Standard. NYS assessments classify student performance into one of four levels.
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Level 1: Identify the scientific explanation, based on evidence, for the role of photosynthesis in the cycling of matter and flow of energy into and out of organisms.
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Level 2: Identify the evidence that supports an explanation that organisms directly use photosynthesis to cycle matter and energy.
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Level 3: 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.
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Level 4: Plan and carry out an investigation to gather evidence to construct a scientific explanation for the role of photosynthesis in the cycling of matter and the flow of energy into and out of organisms.
Resources
Examples and discussion of resources for the learning, teaching, and assessment of MS-LS1-6.
This section could be expanded upon. You can help out by adding to this section.
NGSS Dimensions
Performance expectation MS-LS1-6 was developed using the following elements from the NRC document A Framework for K-12 Science Education:
Science and Engineering Practices
- Constructing Explanations and Designing Solutions
- 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.
Disciplinary Core Ideas
- LS1.C: 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.
- PS3.D: Energy in Chemical Processes and Everyday Life
- 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. (secondary to MS-LS1-6)
Crosscutting Concepts