Free Printable WorksheetScienceGrade 7Science CurriculumMS-LS1-6

7.28 Photosynthesis as Matter and Energy Transformation Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Grade 7 Science worksheet provides structured practice on 7.28 Photosynthesis as Matter and Energy Transformation. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Photosynthesis as Matter and Energy Transformation - Which model best traces atoms through photosynthesis to show matter conservation and energy input? (NGSS MS‑LS1‑6)

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Grade 7

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 7.28 Photosynthesis as Matter and Energy Transformation skill assessments:

Problem 1Difficulty: Mastery
Which complete scientific explanation best matches NGSS MS-LS1-6?
AGlucose forms when oxygen turns into energy inside roots.
BPlants create new atoms from sunlight and soil, then release unused matter as oxygen.
CPhotosynthesis is only the movement of water from roots to leaves.
DIn photosynthesis, light energy enters leaf cells and is transformed into stored chemical energy as atoms from carbon dioxide and water are rearranged into glucose and oxygen without matter being created or destroyed.
Solution & Explanation:This explanation includes the energy input, the source of matter, the products, and conservation of matter.
Problem 2Difficulty: Mastery
How do the light and dark starch results help explain net sugar production?
APhotosynthesis exceeded respiration during the light periods, leading to net starch buildup.
BLight removes glucose from leaves.
CStarch forms only in darkness.
DRespiration happens only in light.
Solution & Explanation:Starch increased during light periods and did not increase during darkness, showing net sugar production in the light.
Problem 3Difficulty: Mastery
A bean plant grows in hydroponic solution, and the mineral solution mass changes very little while the plant's dry mass increases a lot. Which explanation is most accurate?
AHydroponic plants do not use photosynthesis.
BThe mineral solution supplied all atoms in the bean plant.
CThe plant made atoms from light alone.
DMost of the new plant matter came from carbon dioxide and water, with minerals needed only in much smaller amounts.
Solution & Explanation:The evidence shows minerals are important but are not the main source of the plant's mass.

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Frequently Asked Questions

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QIs this 7.28 Photosynthesis as Matter and Energy Transformation worksheet free for teachers and homeschoolers?

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Grade 7 Science students. It aligns with educational standard MS-LS1-6 (Primary standard selected for prompt fields in this prompt cell: NGSS MS-LS1-6. Skill statement in this prompt cell: Which model best traces atoms through photosynthesis to show matter conservation and energy input? Associated standards listed with this skill in this prompt cell: NGSS MS-LS1-6. Use this prompt-provided wording as the supporting standard description for this workflow.).

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