6th Grade Biology Resources

Middle School Life Science Curriculum | NGSS Aligned | MS-LS1, LS2, LS3, LS4

Created by
TWFScience

This bundle includes all four complete, NGSS-aligned Middle School Life Science bundles—MS-PS1, MS-LS2, MS-LS3, and MS-LS4—curated to cover every performance expectation with engaging lessons, hands-on labs/engineering challenges, readings, activities, and organized teacher supports.Why teachers lov

6th - 8th Biology, Earth Sciences, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+18

Halloween Creatures Dichotomous Key – A Spooky Classification Challenge

Created by
TWFScience

The classroom lights flicker. A chill skims across the lab tables as ten mysterious creatures shuffle, flap, and ooze into view. Your students have one tool to survive the night: a dichotomous key. With each YES/NO choice, they narrow the suspects—bat or crow, wisp or witch’s familiar—until every mo

6th - 11th Basic Principles, Biology

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Mythical Creature Dichotomous Key Activity

Created by
TWFScience

The classroom hum fades into a hush. A warm breeze rustles imaginary leaves as ten fantastical creatures drift, stomp, slither, and shimmer into view. Your students have one tool to navigate this enchanted encounter: a dichotomous key. With each YES/NO choice, they rule out the possibilities—drake o

6th - 11th Basic Principles, Biology

Taxonomy and Classification of Living Things Reading | 6th, 7th, 8th Grade

Created by
TWFScience

Taxonomy and the classification of living things help scientists organize Earth’s millions of species and understand how they are related. This grade 6, 7, and 8 reading explains the modern classification system—from domains and kingdoms to genus and species—and shows how tools like dichotomous keys

6th - 8th Science, Biology, Earth Sciences

NGSS MS-LS2-1, MS-LS2-2, MS-LS2-4+1

Also included in: Reading Comprehension Article & Question Mega Bundle | 6th, 7th, 8th Grade

The Dangers of Youth Vaping and e-Cigarettes Reading | 6th, 7th, 8th Grade

Created by
TWFScience

This grade 6–8 reading introduces students to the growing problem of teen vaping and e-cigarette use. It explains what vaping is, why so many teens are drawn to it, and how companies use sweet flavors and discreet device designs to make vaping seem harmless. The article breaks down the science behin

6th - 8th Science, Biology, Earth Sciences

Also included in: Reading Comprehension Article & Question Mega Bundle | 6th, 7th, 8th Grade

The Dangers of Youth Vaping and e-Cigarettes Lesson | 6th, 7th, 8th Grade

Created by
TWFScience

The Dangers of Youth Vaping and e-Cigarettes – This health science lesson explores what vaping and e-cigarettes are and why they are especially harmful to young people, especially teens. It introduces at a middle school level what is found in vape liquids and aerosols, including nicotine and other c

6th - 8th Physical Education, Science, Biology

The Water Cycle Diagram Activity | Cycling of Matter, Hydrologic Cycle

Created by
TWFScience

This activity allows your students to creatively demonstrate their understanding of the water cycle. Your students will use their varied learning styles to complete this assignment and get a better appreciation for the cycle through hands-on learning. ✅ Hands-On Water Cycle Model – Engage students

5th - Adult Education Science, Biology, Earth Sciences

NGSS MS-LS2-3, MS-LS2-4, MS-ESS2-1+1

Also included in: The Water Cycle Bundle - Lesson, Worksheets, & Activities | Hydrologic Cycle

Cell Organelles Logic Puzzle - Determine the Mystery Organelle Activity

Created by
TWFScience

Cell Organelles Activity - Logic Puzzle & Critical Thinking Lab for CellsLooking for a way to teach cell organelles that goes beyond worksheets and memorization?This Mystery Organelle Logic Lab challenges students to use deductive reasoning, evidence, and scientific thinking to identify cell org

6th - 9th Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3

Cell Organelle Detective – Use Clues to Solve TWO Cell Organelles Mysteries

Created by
TWFScience

Cell Detectives: Solving Cell Structure & Function Mysteries - Hands-On Cell Organelles Case File ActivitiesTurn your students into cell detectives with these engaging, evidence-based mystery investigations! In this interactive activity set, students analyze clues, match symptoms to organelle fu

6th - 9th Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3

Cell Organelles Logic Puzzles - Determine the Mystery Organelle Activities

Created by
TWFScience

Cell Organelles Activity - FOUR Logic Puzzles that let your students become cell organelle detectives Looking for a way to teach cell organelles that goes beyond worksheets and memorization?This Mystery Organelle Logic Lab challenges students to use deductive reasoning, evidence, and scientific thin

6th - 9th Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3

Microplastics Mystery – Human Impact Detective on Plastic Pollution | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on microplastics and plastic pollution. In this case file activity, students analyze evidence, track pollution pathways, interrogate suspects, and build a scientific case to solve the mystery of how micro

6th - 9th Biology, Earth Sciences, General Science

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Air Pollution Mystery – Science Detective | Human Impact | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on air pollution. In this case file activity, students analyze evidence, track pollution pathways, interrogate suspects, and build a scientific case to solve the mystery of how air pollution is affecting

6th - 9th Biology, Earth Sciences, General Science

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Water Pollution Mystery – Human Impact Science Detective | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on water pollution. In this case file activity, students analyze evidence, track pollution pathways, interrogate suspects, and build a scientific case to solve the mystery of how water pollution is damagi

6th - 9th Biology, Earth Sciences, General Science

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

Deforestation & Habitat Destruction Mystery – Human Impact Detective | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on deforestation and habitat destruction. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve the mystery of why

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-ESS3-3, MS-ESS3-4

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Biodiversity Loss Mystery – Human Impact Detective | SUB PLAN | Environment

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on biodiversity loss and species decline. In this case file activity, students analyze evidence, track ecological pathways, interrogate suspects, and build a scientific case to solve the mystery of why sp

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Invasive Species Mystery – Human Impact Detective | SUB PLAN | Environment

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on invasive species and ecosystem disruption. In this case file activity, students analyze evidence, track ecological pathways, interrogate suspects, and build a scientific case to solve the mystery of ho

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

Climate Change and Global Warming Mystery – Human Impact Detective | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on climate change and global warming. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve the mystery of why Ear

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

Overfishing & Ocean Ecosystem Collapse Mystery – Detective | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on overfishing and ocean ecosystem collapse. In this case file activity, students analyze evidence, track ecological pathways, interrogate suspects, and build a scientific case to solve the mystery of why

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Resource Depletion & Mining Mystery – Human Impact Detective | SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on resource depletion and mining damage. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve the mystery of why

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Urban Sprawl Mystery – Detective SUB PLAN | Human Impact on the Environment

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on urban sprawl and land use change. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve the mystery of how citi

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

Environmental Science Detective Mystery Bundle | Human Impact | SUB PLAN

Created by
TWFScience

Build a high-engagement, low-prep environmental science program that grows with you. This Bundle collects my complete Science Detective Mystery Case Files—each one built around real-world environmental problems, evidence analysis, pathway tracking, suspect ranking, and Claim–Evidence–Reasoning (CER)

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-2, MS-LS2-3+6

The Landfill & Waste Crisis Mystery – Detective Case File | Human Impact

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on the waste crisis and landfill pollution. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve the mystery of h

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

Agriculture & Fertilizer Runoff Mystery – Detective Case File | Human Impact

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on agriculture, fertilizer runoff, and water system collapse. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solv

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science

The Freshwater Crisis Mystery – Detective Case File | Human Impact, Ecosystems

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on freshwater scarcity, drought, and water system collapse. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-4, MS-LS2-5+3

Also included in: Science Detective Mystery Bundle | Chemistry, Human Body, Environmental Science