9th Grade Biology Resources

Ecology Case Study - Rewilding Wolves in Yellowstone | Reading

Created by
TWFScience

Ecology Case Study "Rewilding Wolves in Yellowstone"This resource provides an engaging look at how the reintroduction of wolves to Yellowstone National Park transformed an entire ecosystem. Students will explore how removing and later restoring a top predator caused major changes in animal populatio

7th - 10th Biology, Earth Sciences, General Science

Also included in: Ecology Case Study Bundle – Real-World Environmental Science Readings

Ecology Case Study - Overfishing and Ocean Balance | Reading

Created by
TWFScience

Ecology Case Study "Overfishing and Ocean Balance"This resource provides an engaging look at how overfishing disrupts the delicate balance of marine ecosystems. Students will explore how removing too many fish affects entire food webs, causes trophic cascades, and threatens both ocean biodiversity a

7th - 10th Biology, Earth Sciences, General Science

Also included in: Ecology Case Study Bundle – Real-World Environmental Science Readings

Ecology Case Study - The Impact of Deforestation on Carbon Storage | Reading

Created by
TWFScience

Ecology Case Study "The Impact of Deforestation on Carbon Storage"This resource provides an engaging look at how deforestation affects the planet’s ability to store carbon and regulate climate. Students will explore how clearing forests for agriculture, logging, and development releases stored carbo

7th - 10th Biology, Earth Sciences, General Science

Also included in: Ecology Case Study Bundle – Real-World Environmental Science Readings

Ecology Case Study - The Decline of Pollinators | Reading

Created by
TWFScience

Ecology Case Study "The Decline of Pollinators"This resource provides an engaging look at how the decline of pollinators is impacting ecosystems, biodiversity, and the global food supply. Students will explore how habitat loss, pesticide use, climate change, and disease have led to major decreases i

7th - 10th Biology, Earth Sciences, General Science

Also included in: Ecology Case Study Bundle – Real-World Environmental Science Readings

Ecology Case Study - The Role of Mangroves in Coastal Protection | Reading

Created by
TWFScience

Ecology Case Study "The Role of Mangroves in Coastal Protection"This resource provides an engaging look at how mangrove forests protect coastlines, support biodiversity, and help regulate Earth’s climate. Students will explore how these unique coastal ecosystems act as natural barriers against storm

7th - 10th Biology, Earth Sciences, General Science

Also included in: Ecology Case Study Bundle – Real-World Environmental Science Readings

Ecology Case Study - Ecological Succession After Wildfire | Reading

Created by
TWFScience

Ecology Case Study "Ecological Succession After Wildfire"This resource provides an engaging look at how wildfires shape and renew ecosystems through the process of ecological succession. Students will explore how natural disturbances, though destructive at first, set the stage for regrowth and biodi

7th - 10th Biology, Earth Sciences, General Science

Also included in: Ecology Case Study Bundle – Real-World Environmental Science Readings

Ecology Case Study Bundle – Real-World Environmental Science Readings

Created by
TWFScience

Ecology Case Study Bundle - Engage your students with real-world science through these Ecology Case Studies designed to strengthen scientific literacy, critical thinking, and reading comprehension skills. Perfect for 7th, 8th, 9th, and 10th grades.Save 40% by purchasing this bundle!These case studie

7th - 10th Science, Biology, Earth Sciences

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 - Grade 8 and Up Reading

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 reading comprehension article explains the modern classification system—from domains and kingdoms to genus and species—and shows how tools like dichotomous

9th - 12th Science, Biology, General Science

Also included in: Science Reading Comprehension Article Mega Bundle | Grade 8 and Up

The Dangers of Youth Vaping and e-Cigarettes Reading | Grade 8 and Up Reading

Created by
TWFScience

The Dangers of Youth Vaping and e-Cigarettes Reading Comprehension Passage and Questions. The dangers of youth vaping and e-cigarettes are a growing public health concern, and this reading comprehension article helps students understand why. It explains what vaping is, how e-cigarette aerosol is cre

9th - 12th Science, Biology, General Science

Also included in: Science Reading Comprehension Article Mega Bundle | Grade 8 and Up

The Dangers of Youth Vaping and e-Cigarettes Lesson | High School | Teen Vaping

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 explores what is found in vape liquids and aerosols, including nicotine and other chemicals, and explains why

9th - 12th Physical Education, Science, Biology

Maya’s Choice - Vaping at School Case Study | Youth Vaping, Teen Vaping

Created by
TWFScience

This engaging resource uses an everyday, relatable scenario to illuminate The Dangers of Youth Vaping, specifically, teen vaping through a vivid and memorable case study.Students follow Maya, a 15-year-old high school student, as a single choice at a party—trying a mint-flavored vape pod—slowly deve

7th - 10th Physical Education, Biology, General Science

Also included in: Science Case Study Bundle - Ecology, Chemistry, Physics, Biology, and Space

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

Water Cycle Case Study - Why Does Rainfall Change Near Mountains? | Reading

Created by
TWFScience

Ecology Case Study "Why Does Rainfall Change Near Mountains"This resource provides an engaging look at how mountains shape and determine rainfall and impact the water cycle. Students will explore how natural land formations help determine rainfall on both sides of a mountain.Through this real-world

7th - 10th Biology, Earth Sciences, General Science

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

Water Cycle Case Study - What Happens to Water During a Drought? | Reading

Created by
TWFScience

Ecology Case Study "What Happens to Water During a Drought?"This resource provides an engaging look at how droughts affect the movement and availability of water within the water cycle. Students will explore how long periods of low precipitation disrupt Earth’s systems and impact both natural enviro

7th - 10th Biology, Earth Sciences, General Science

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

Water Cycle Case Study - How Do Cities Change the Water Cycle? | Reading

Created by
TWFScience

Ecology Case Study “How Do Cities Change the Water Cycle?”This resource provides an engaging look at how urbanization alters the movement and availability of water within the water cycle. Students explore how replacing natural landscapes with roads, buildings, and other impermeable surfaces changes

7th - 10th Biology, Earth Sciences, General Science

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

CRISPR Gene Editing: Rewriting the Code of Life Reading | Grade 8 & Up Activity

Created by
TWFScience

CRISPR Gene Editing Reading Comprehension Passage and Questions. CRISPR gene editing is one of the most powerful scientific developments of the 21st century, and this Reading Comprehension Passage and Questions article helps students understand what CRISPR is, how it works, and why it matters. It ex

9th - 12th Science, Biology, General Science

Also included in: Genetics, Heredity, DNA, and Traits - 5E Lesson Bundle | Genotype and Phenotype

Biology Case Study - CRISPR and Sickle Cell Disease | Reading

Created by
TWFScience

Biology Case Study “CRISPR and Sickle Cell Disease”This resource provides an engaging look at how CRISPR gene editing is being used to fix mistakes in DNA through a real-world case study of sickle cell disease. Students explore how DNA acts as the instruction code for cells and how changes in struct

7th - 10th Biology, General Science

Also included in: Science Case Study Bundle - Ecology, Chemistry, Physics, Biology, and Space

Gene-Edited Pig Organs & Xenotransplantation Reading | Grade 8 & Up Activity

Created by
TWFScience

Xenotransplantation and gene-edited organ transplants Reading Comprehension Passage and Questions. Gene edited organ transplants represent one of the most groundbreaking medical advances of the 21st century, and this reading comprehension article helps students understand how and why pig organs are

9th - 12th Science, Biology, General Science

Also included in: Science Reading Comprehension Article Mega Bundle | Grade 8 and Up

Microplastics and Plastic Pollution Reading | Grade 8 & Up Activity

Created by
TWFScience

Microplastics and plastic pollution Reading Comprehension Passage and Questions. Microplastics and plastic pollution are among the most urgent environmental issues of the 21st century, and this reading comprehension article helps students understand how plastic waste is affecting ecosystems and huma

9th - 12th Science, Biology, Chemistry

Also included in: Human Impact & Sustainability - 13 Reading Comprehension Bundle | Grade 8 and Up

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