9th Grade General Science Resources

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

Newton's Three Laws of Motion Worksheets & Activities Bundle | 1st, 2nd, 3rd Law

Created by
TWFScience

Newton's 3 Laws of Motion Activity Bundle - 21 activities and worksheets included. This bundle provides complete, READY-TO-USE resources for teachers who want to help students build deep understanding through hands-on exploration. With a mix of labs, readings, stations, and independent activities, s

6th - 12th General Science, Physical Science, Physics

NGSS MS-PS2-1, MS-PS2-2, HS-PS2-1

Newton's 1st Law Case Study - Bus Stop Surprise | Physical Science Case Study

Created by
TWFScience

Physical Science Case Study - "Newton's 1st Law - The Bus Stop Surprise"This resource offers an engaging, real-world look at how inertia influences motion through the lens of Newton’s First Law. Students follow Maya on an ordinary bus ride turned unexpected physics lesson, observing how her body res

7th - 10th General Science, Physical Science, Physics

Also included in: Newton's 1st Law of Motion Lesson, Worksheet, Activities Bundle | 6th, 7th, 8th

Newton's 1st Law of Motion Worksheet Bundle | 6-Part Newtons First Law Worksheet

Created by
TWFScience

Perfect for classroom instruction, science centers, homework, assessments, and review! Just print & use—no prep required!Introduce and/or review Newton's First Law of Motion, the Law of Inertia, with this engaging, print-ready worksheet bundle designed to help learners understand how and why obj

6th - 10th General Science, Physical Science, Physics

NGSS MS-PS2-2

Also included in: Newton's 1st Law of Motion Lesson, Worksheet, Activities Bundle | 6th, 7th, 8th

Newton's 2nd Law of Motion Worksheet 6- Part Bundle Newtons Second Law Worksheet

Created by
TWFScience

Perfect for classroom instruction, science centers, homework, assessments, and review! Just print & use—no prep required!Introduce and/or review Newton's Second Law of Motion, Force equals mass times acceleration (F = ma), with this engaging, print-ready worksheet bundle designed to help learner

6th - 10th General Science, Physical Science, Physics

NGSS MS-PS2-2

Also included in: Newton's 2nd Law of Motion Lesson, Worksheet, Activities Bundle | 6th, 7th, 8th

Newton's 2nd Law Case Study - Sports Car vs Truck | Physical Science Case Study

Created by
TWFScience

Physical Science Case Study - "Newton's 2nd Law - Sports Car vs Pickup Truck"This resource delivers a clear, real-world explanation of Newton’s Second Law of Motion through a relatable comparison between a lightweight sports car and a heavy pickup truck. Students follow a simple moment at a stopligh

7th - 10th General Science, Physical Science, Physics

NGSS MS-PS2-2

Also included in: Newton's 2nd Law of Motion Lesson, Worksheet, Activities Bundle | 6th, 7th, 8th

Newton's 3rd Law Case Study - How Rockets Accelerate in Space | Physical Science

Created by
TWFScience

This resource offers a clear, real-world explanation of Newton’s Third Law of Motion through the dramatic and fascinating example of a rocket launch case study. Students follow the journey of a research rocket as it lifts off the launch pad, firing superheated gases downward and accelerating upward

7th - 10th General Science, Physical Science, Physics

NGSS MS-PS2-1

Also included in: Newton's 3rd Law of Motion Lesson, Worksheets, Activities Bundle | 6th, 7th, 8th

Newton's 3rd Law Case Study - Why you don't Jump off Boats | Physical Science

Created by
TWFScience

This engaging resource uses an everyday, relatable scenario to illuminate Newton’s Third Law of Motion through a vivid and memorable case study.Students follow two brothers enjoying a day on the lake when a simple decision—to jump off their small boat for a swim—turns into an unexpected physics less

7th - 10th General Science, Physical Science, Physics

NGSS MS-PS2-1

Also included in: Newton's 3rd Law of Motion Lesson, Worksheets, Activities Bundle | 6th, 7th, 8th

Newton's 3rd Law of Motion Worksheet 6- Part Bundle Newtons Third Law Worksheet

Created by
TWFScience

Perfect for classroom instruction, science centers, homework, assessments, and review! Just print & use—no prep required!Introduce and/or review Newton's Third Law of Motion—for every action force, there is an equal and opposite reaction force—with this engaging, print-ready worksheet designed t

6th - 10th General Science, Physical Science, Physics

NGSS MS-PS2-1

Also included in: Newton's 3rd Law of Motion Lesson, Worksheets, Activities Bundle | 6th, 7th, 8th

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

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

Evaporation Race - A Water Cycle Lab Investigation | Hydrologic Cycle

Created by
TWFScience

Students will investigate evaporation in the water cycle by measuring how temperature and air flow affect evaporation rate. Using identical shallow dishes filled with equal volumes of water, students set up control, warm, and wind conditions and track changes in water volume over time. Through repea

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

NGSS MS-ESS2-4, HS-ESS2-4

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

Mini Water Cycle Lab - A Hydrologic Cycle Lab Investigation | TWO Versions

Created by
TWFScience

Students will model the water cycle in a closed system by creating a mini “water cycle” using a sealed clear bag. By adding energy from sunlight or a lamp, students observe evaporation, condensation, and water movement over time. Through structured observations, optional temperature tracking, and a

6th - 10th Earth Sciences, General Science, Physical Science

NGSS MS-ESS2-4, HS-ESS2-4

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

Salt & Evaporation: Mass, Volume, & Salinity Changes - A Water Cycle Lab

Created by
TWFScience

Students will investigate how evaporation changes water volume and salt concentration by comparing freshwater, ocean-like salinity, and high-salinity solutions over multiple days. Using shallow dishes, measured salt masses, and repeated mass or volume measurements, students track evaporation and cal

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

NGSS MS-ESS2-4, HS-PS1-3, HS-ESS2-5

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

Water Cycle & Evaporation Lab Bundle | Hydrologic Cycle Investigations

Created by
TWFScience

3 Lab Investigations on the Water Cycle - Evaporation • Energy Transfer • Salinity & Earth SystemsStudents will explore evaporation as a driving force in the water cycle through three connected, hands-on STEM investigations. Across short-term and multi-day labs, students measure evaporation rate

6th - 10th Earth Sciences, General Science, Physical Science

NGSS MS-ESS2-1, MS-ESS2-4, HS-ESS2-5

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

The Water Cycle Bundle - Lesson, Worksheets, & Activities | Hydrologic Cycle

Created by
TWFScience

The NO-PREP bundle includes a lesson, worksheets, labs, activities, a reading, and multiple case studies on the Water Cycle Students will build a deep, evidence-based understanding of the water cycle as a dynamic Earth system through a carefully sequenced combination of explicit instruction, hands-o

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

NGSS MS-ESS2-4, HS-ESS2-2, HS-ESS2-5

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

Artificial Intelligence and Machines Learning Reading | Grade 8 & Up Activity

Created by
TWFScience

Artificial Intelligence is rapidly changing the world, and this Reading Comprehension Passage and Questions helps students understand what AI is, how it works, and why it matters. It explains how machines are able to learn from data, recognize patterns, and make decisions, as well as the difference

9th - 12th Science, General Science, Physical Science

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