Grade 3 Science Units

Discover Grade 3 Science unit plans with standards-aligned lessons that build knowledge of life cycles, ecosystems, forces, and hands-on scientific investigation.

Grade 3 Science Units

Unit Plan 36 (Grade 3 Science): Cumulative Synthesis & Exhibition

Showcase mastery of Grade 3 science as students design hands-on stations that integrate forces, life cycles, climate, hazards, and engineering for a capstone exhibition.

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Grade 3 Science Units

Unit Plan 35 (Grade 3 Science): Sustainability & Stewardship

Help students become environmental stewards as they identify local hazards, define design problems with criteria and constraints, and create solutions that reduce risks.

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Grade 3 Science Units

Unit Plan 34 (Grade 3 Science): STEM Capstone—Weather, Forces & Life

3rd grade STEM capstone unit where students build a habitat system model connecting forces, magnets, weather, climate, and adaptations while using data and NGSS-aligned engineering design.

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Grade 3 Science Units

Unit Plan 33 (Grade 3 Science): Environmental Impact Studies

Students investigate local environmental challenges, test solutions for hazards and human-caused changes, and make evidence-based claims about each solution’s merit.

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Grade 3 Science Units

Unit Plan 32 (Grade 3 Science): Engineering Better Habitats

Students engineer and test habitat-improvement solutions, compare designs using criteria and constraints, and make evidence-based claims about which solutions work best.

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Grade 3 Science Units

Unit Plan 31 (Grade 3 Science): Models of Survival Advantage

Models reveal how trait variations affect survival. Students use camouflage and beak simulations to gather evidence and explain which traits give a survival advantage.

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Grade 3 Science Units

Unit Plan 30 (Grade 3 Science): Adaptations & Modern Traits

Traits vary within species and affect survival. Students examine modern habitats, compare trait advantages, and argue which organisms survive well, less well, or not at all.

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Grade 3 Science Units

Unit Plan 29 (Grade 3 Science): Solutions to Environmental Problems

Design solutions to human-caused habitat problems as students define criteria and constraints, build simple models, and make evidence-based claims about each solution’s merit.

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Grade 3 Science Units

Unit Plan 28 (Grade 3 Science): Environmental Change Effects

Explore how habitat changes impact organisms differently as students analyze needs, compare outcomes, and construct arguments explaining who survives well, less well, or not at all.

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Grade 3 Science Units

Unit Plan 27 (Grade 3 Science): Weather & Climate — Quarter Synthesis

NGSS-aligned Grade 3 science unit where students analyze weather and climate data, compare global climate regions, and engineer solutions to weather-related hazards.

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Grade 3 Science Units

Unit Plan 26 (Grade 3 Science): Engineering for Weather Safety

Engage Grade 3 students as engineers designing and testing flood barriers, windproofing, and hail protection through NGSS-aligned fair tests, data analysis, and weather-safety challenges.

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Grade 3 Science Units

Unit Plan 25 (Grade 3 Science): Hazard-Reduction Solutions

Make and defend evidence-based claims about which design solutions—like levees, firebreaks, and storm-resistant structures—best reduce the impacts of weather-related hazards.

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Grade 3 Science Units

Unit Plan 24 (Grade 3 Science): Hazard Maps & Risk Patterns

Use hazard maps to identify where storms, floods, droughts, and wildfires occur most often, helping students recognize risk patterns and suggest smart community safety planning.

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Grade 3 Science Units

Unit Plan 23 (Grade 3 Science): Weather-Related Hazards

Investigate major weather hazards and evaluate design solutions—like levees, fire breaks, and warning systems—to understand how communities reduce danger and stay safe.

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Grade 3 Science Units

Unit Plan 22 (Grade 3 Science): Sunlight, Weather & Energy

Explain how sunlight warms Earth’s surfaces and drives weather patterns and climate differences, using data, graphs, and regional comparisons to show clear evidence-based connections.

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Grade 3 Science Units

Unit Plan 21 (Grade 3 Science): Climate Around the World

Compare climates around the world by analyzing temperature and precipitation data, using maps, texts, and graphs to explain long-term regional weather patterns.

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Grade 3 Science Units

Unit Plan 20 (Grade 3 Science): Seasonal Weather Patterns

Graph daily and seasonal weather data to identify patterns—helping students describe typical temperature, precipitation, and sky conditions using clear visual evidence.

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Grade 3 Science Units

Unit Plan 19 (Grade 3 Science): Weather Observations

Collect and graph daily temperature, precipitation, and wind data to identify patterns and describe the typical seasonal weather conditions expected in your region.

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Grade 3 Science Units

Unit Plan 18 (Grade 3 Science): Life Science — Quarter Synthesis

Synthesize Grade 3 life science by connecting life cycles, traits, fossils, adaptations, group behaviors, and habitat survival to explain how organisms grow, change, and thrive over time.

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Grade 3 Science Units

Unit Plan 17 (Grade 3 Science): Habitats & Survival Success

Construct evidence-based arguments about which organisms survive well, less well, or not at all in specific habitats by analyzing traits, resources, and environmental conditions.

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Grade 3 Science Units

Unit Plan 16 (Grade 3 Science): Trait Variation & Survival

Explore how differences in traits—like color, size, coverings, or behaviors—give organisms survival advantages, helping them find food, stay safe, and reproduce successfully.

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Grade 3 Science Units

Unit Plan 15 (Grade 3 Science): Fossils & Earth’s Past

Analyze fossil evidence to infer ancient organisms and past environments as students study rock layers, identify patterns, and explain how Earth’s landscapes changed over time.

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Grade 3 Science Units

Unit Plan 14 (Grade 3 Science): Environmental Influences on Traits

Explore how environment shapes traits and behaviors as students analyze real examples, compare conditions, and use evidence to explain changes in plants and animals.

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Grade 3 Science Units

Unit Plan 13 (Grade 3 Science): Inherited Traits

Analyze inherited traits and variations as students compare parent–offspring patterns, collect class data, interpret graphs, and explain how traits are shared yet diverse.

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Grade 3 Science Units

Unit Plan 12 (Grade 3 Science): Group Behaviors & Survival

Explore how animal groups improve survival as students analyze herds, flocks, packs, and schools, gather evidence, and construct clear CER arguments about group behaviors.