All Science Units

Explore the full collection of PreK–8 Science unit plans featuring engaging, standards-aligned lessons that build curiosity, inquiry skills, and real-world understanding.

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Grade 7 Science Units

Unit Plan 21 (Grade 7 Science): Genetic Variation

Grade 7 unit comparing genetic variation in asexual and sexual reproduction—students model cloning vs. mixed gene combinations to explain identical vs. varied offspring.

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Grade 7 Science Units

Unit Plan 20 (Grade 7 Science): Genes, Proteins & Traits

Grade 7 unit modeling how gene structure guides proteins and traits, showing how mutations can cause harmful, beneficial, or neutral effects.

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Grade 7 Science Units

Unit Plan 19 (Grade 7 Science): Inheritance Basics

Grade 7 unit modeling how traits are inherited: students simulate asexual copying of genes and sexual mixing of chromosomes to explain identical offspring vs variation.

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Grade 7 Science Units

Unit Plan 18 (Grade 7 Science): Ecosystems — Quarter Synthesis

Grade 7 unit synthesizing ecosystem learning: students analyze data, model energy flow, argue human impact effects, and evaluate design solutions to protect biodiversity.

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Grade 7 Science Units

Unit Plan 17 (Grade 7 Science): Engineering for Ecosystems

Grade 7 unit analyzing test data to compare biodiversity restoration designs, evaluate criteria and trade-offs, and recommend improvements using evidence.

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Grade 7 Science Units

Unit Plan 16 (Grade 7 Science): Ecosystem Data & Modeling

Grade 7 unit where students interpret ecosystem graphs, food webs, and data to explain resource availability, species interactions, energy flow, and population change.

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Grade 7 Science Units

Unit Plan 15 (Grade 7 Science): Human Impacts on Ecosystems

Grade 7 unit using data to show how human activities change ecosystems and populations, while defining design problems with criteria and constraints to reduce impacts.

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Grade 7 Science Units

Unit Plan 14 (Grade 7 Science): Biodiversity & Ecosystem Services

Grade 7 unit where students evaluate and compare design solutions to maintain biodiversity and protect ecosystem services like pollination and clean water.

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Grade 7 Science Units

Unit Plan 13 (Grade 7 Science): Ecosystem Stability & Change

Grade 7 unit where students use data to argue how physical or biological changes—like drought, pollution, or new species—impact populations and ecosystem stability.

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Grade 7 Science Units

Unit Plan 12 (Grade 7 Science): Food Webs & Energy Flow

Grade 7 science unit modeling how energy flows from the sun through food webs and how matter cycles between living organisms and the environment in ecosystems.

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Grade 7 Science Units

Unit Plan 11 (Grade 7 Science): Biotic Interactions

Grade 7 unit where students predict ecosystem patterns—predator–prey cycles, competition, and mutualism—to explain how interactions shape populations and community balance.

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Grade 7 Science Units

Unit Plan 10 (Grade 7 Science): Ecosystems Basics

Grade 7 unit where students analyze data to explain how limited resources like food or water drive population growth, decline, and competition in ecosystems.

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Grade 7 Science Units

Unit Plan 9 (Grade 7 Science): Cells & Systems — Quarter Synthesis

Grade 7 unit connecting cells, systems, growth, genes, and energy—students model how matter and energy flow through organisms and design solutions to support system health.

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Grade 7 Science Units

Unit Plan 8 (Grade 7 Science): Energy in Organisms

Grade 7 life science unit where students model how food molecules are rearranged through chemical reactions to release energy and support growth in organisms.

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Grade 7 Science Units

Unit Plan 7 (Grade 7 Science): Genes, Environment & Growth

Grade 7 life science unit where students use data and models to explain how genetic and environmental factors influence organism growth and variation.

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Grade 7 Science Units

Unit Plan 6 (Grade 7 Science): Growth & Cell Division

Grade 7 unit where students use data and models to show organisms grow through cell division, constructing evidence-based arguments aligned to MS-LS1-4.

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Grade 7 Science Units

Unit Plan 5 (Grade 7 Science): Human Body Systems

Grade 7 unit modeling how digestive, respiratory, and circulatory systems interact to move food and oxygen, showing the body as cell-based interconnected subsystems.

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Grade 7 Science Units

Unit Plan 4 (Grade 7 Science): Specialized Cells & Tissues

Grade 7 unit where students explore how specialized cells form tissues, organs, and interacting body systems using models, diagrams, and CER for evidence.

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Grade 7 Science Units

Unit Plan 3 (Grade 7 Science): Cell Structure & Function

Grade 7 unit modeling plant and animal cell organelles as a system, showing how each part contributes to cell function through diagrams, analogies, and models.

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Grade 7 Science Units

Unit Plan 2 (Grade 7 Science): What Is a Cell?

Grade 7 unit using microscopes, observations, models, and CER to show unicellular and multicellular organisms are made of cells, the basic unit of life.

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Grade 7 Science Units

Unit Plan 1 (Grade 7 Science): Science Skills & Inquiry Routines

Launch Grade 7 science with lab safety, careful observation, modeling, and CER to build skills for cell investigations and engineering design all year.

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Grade 8 Science Units

Unit Plan 36 (Grade 8 Science): Cumulative Synthesis & Exhibition

Grade 8 science exhibition where students showcase mastery of matter, forces, energy, waves, and engineering design through models, data, prototypes, and clear explanations.

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Grade 8 Science Units

Unit Plan 35 (Grade 8 Science): Final Engineering Challenge

Students design, test, and improve real-world solutions using forces, energy, or waves—collecting data and iterating through the full engineering design process.

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Grade 8 Science Units

Unit Plan 34 (Grade 8 Science): Waves in Everyday Technologies

Waves power technologies like medical imaging, Wi-Fi, and digital audio by transferring energy and using reliable digitized signals to carry information.

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Grade 8 Science Units

Unit Plan 33 (Grade 8 Science): Engineering Communication Systems

Design wave-based communication systems: students build and test devices using digital signals to send information reliably while applying engineering design.