General Science Assessment

Extreme Winter Weather Reading | Snowstorms, Blizzards | 6th 7th 8th Grade

Created by
TWFScience

This grade 6–8 science reading comprehension article introduces students to the wild and powerful side of winter, from blizzards and ice storms to polar vortexes and nor’easters. Students learn how different types of extreme winter weather form, what makes each storm unique, and how these storms imp

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

NGSS MS-ESS2-1, MS-ESS2-4, MS-ESS2-6

Also included in: Winter Weather & Snow Bundle - Lessons, Project, Activities | 6th 7th 8th Grade

The Circulatory System Breakdown Mystery – Detective SUB PLAN | Body Systems

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on the circulatory system and what happens when blood flow breaks down. In this case file activity, students analyze oxygen and blood flow data, examine narrowed arteries and weak heart muscle ev

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Digestive System Malfunction Mystery – Detective SUB PLAN | Body Systems

Created by
TWFScience

The Digestive System Malfunction Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on the digestive system and what happens when digestion and nutrient absorption break down. In this case file activity, students analyze medical evidence, track

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Viral vs Bacterial Illness Mystery – Detective SUB PLAN | Human Body Systems

Created by
TWFScience

The Viral vs. Bacterial Illness Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on viral and bacterial illnesses and why these infections can be difficult to tell apart. In this case file activity, students analyze medical evidence, track inf

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Cellular Respiration Breakdown Mystery – Detective SUB PLAN | Body Systems

Created by
TWFScience

The Cellular Respiration Breakdown Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on cellular respiration and what happens when cells cannot produce enough energy to meet the body’s needs. In this case file activity, students analyze medical

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Stress Response & Health Breakdown Mystery – Detective SUB PLAN | Systems

Created by
TWFScience

The Stress Response & Health Breakdown Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on the human stress response and what happens when stress becomes chronic. In this case file activity, students analyze medical evidence, track hormone

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Integumentary System Disorder Mystery – Detective SUB PLAN | Body Systems

Created by
TWFScience

The Integumentary System Disorder Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on the integumentary system and what happens when the skin can no longer protect the body or regulate temperature effectively. In this case file activity, stude

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Respiratory System Failure Mystery – Detective SUB PLAN | Human Body Systems

Created by
TWFScience

The Respiratory System Failure Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on the respiratory system and what happens when breathing and gas exchange break down. In this case file activity, students analyze medical evidence, track respira

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Antibiotic Resistance Mystery – Detective SUB PLAN | Bacteria, Germ Theory

Created by
TWFScience

The Antibiotic Resistance Mystery - Turn your students into science detectives with this engaging, real-world investigation focused on antibiotic resistance and what happens when bacterial infections no longer respond to treatment. In this case file activity, students analyze medical and laboratory

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Oxygen Delivery Crisis Mystery – Detective SUB PLAN | Human Body System

Created by
TWFScience

The Oxygen Delivery Crisis Mystery – Turn your students into science detectives with this engaging, real-world investigation focused on oxygen delivery in the human body and what happens when oxygen fails to reach cells efficiently—even when breathing appears normal. In this case file activity, stud

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Substance Abuse Impact on Body Systems Mystery – Detective SUB PLAN Activity

Created by
TWFScience

The Substance Abuse & Impact on Body Systems Mystery – Turn your students into science detectives with this engaging, real-world investigation focused on substance use and how vaping, smoking, and alcohol affect multiple body systems. In this case file activity, students analyze medical and labo

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

Human Body Systems and Health Detective Mystery Bundle | Activity SUB PLAN

Created by
TWFScience

Build a high-engagement, low-prep human body system and health program that grows with you. This bundle collects my Human Body Systems and Health Detective Mystery Case Files—each one built around real-world body system and health problem, evidence analysis, pathway tracking, suspect ranking, and Cl

7th - 11th Anatomy, Biology, General Science

Air Pollution Reading: What It Is, Why It Happens, Why It Happens | 6th 7th 8th

Created by
TWFScience

This grade 6–8 science reading comprehension article introduces students to the causes and effects of air pollution and why clean air matters for human health and the environment. Students learn where air pollution comes from, how it forms, and how weather conditions can make pollution better or wor

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

NGSS MS-ESS2-1, MS-ESS2-4, MS-ESS2-6

Also included in: Human Impact & Sustainability - 13 Reading Article Bundle - 6th 7th 8th Grade

The Blood Sugar Balance Mystery – Detective SUB PLAN | Insulin, Cells, Pancreas

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on health and blood glucose balance. In this case file activity, students analyze medical data, examine laboratory test results, track hormone pathways, interrogate suspects, and build a scientif

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Foodborne Illness Outbreak Mystery – Detective SUB PLAN | Salmonella

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on foodborne illness and digestive system infection. In this case file activity, students analyze medical data, examine laboratory test results, track pathogen pathways, rank possible causes, and

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Musculoskeletal System Injury Mystery – Detective SUB PLAN | Bones, Tendons

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on musculoskeletal system injuries and movement breakdown. In this case file activity, students analyze strength test data, examine range-of-motion measurements, investigate posture assessments,

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Nutrition & Diet Health Mystery – Detective SUB PLAN | Vitamins, Minerals

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on nutrition, diet, and whole-body health balance. In this case file activity, students analyze medical data, examine laboratory test results, track nutrient pathways, rank possible causes, and b

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Sleep Deprivation Health Mystery – Detective SUB PLAN | Circadian Rhythm

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on sleep deprivation and whole-body health disruption. In this case file activity, students analyze sleep logs, examine laboratory test results, track hormone pathways, rank possible causes, and

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Autoimmune Disorder Mystery – Detective SUB PLAN | Immunity, Body Systems

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on immune system malfunction and autoimmune disorders. In this case file activity, students analyze laboratory data, examine inflammatory markers, evaluate antibody test results, track immune pat

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Blood Types Mystery – Detective SUB PLAN | ABO, Rh factor, Body Systems

Created by
TWFScience

Create a classroom full of science detectives with this NO PREP, engaging, real-world investigation focused on blood types, transfusion compatibility, and immune system response. In this case file activity, students analyze laboratory results, examine transfusion reactions, track antibody pathways,

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Dehydration & Electrolyte Imbalance Mystery – Detective SUB PLAN

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on hydration, electrolyte balance, and whole-body system stability. In this case file activity, students analyze medical data, examine laboratory test results, track fluid and electrolyte pathway

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Immune System Breakdown Mystery – Detective SUB PLAN | Body Systems

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on immune system breakdown and whole-body health disruption. In this case file activity, students analyze laboratory reports, examine white blood cell counts, track stress hormone patterns, evalu

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

The Screen Time Addiction & Mental Health Mystery – Detective SUB PLAN |

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on screen time addiction and mental health disruption. In this case file activity, students analyze daily screen use data, examine dopamine reward responses, track sleep hormone disruption, evalu

7th - 11th Anatomy, Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3+4

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

When Will I Ever Use This? Reading | Skills, Careers, Problem Solving 6, 7, 8th

Created by
TWFScience

This middle school science reading comprehension article answers the question we all get asked, every year. "When am I ever going to use this??" The reading introduces students to how science skills connect directly to real-world careers (both in the science and skilled trades) and everyday problem

6th - 8th General Science, Physical Science, Other (Science)

NGSS MS-ETS1-1, MS-ETS1-2, MS-ETS1-3+1