General Science Activities

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

When Will I Ever Use This? Reading | Grade 8 & Up | Solving Problems, Careers

Created by
TWFScience

Why We Need to Learn Science: Real-World Problem Solving, Careers, and Skilled Trades Reading Comprehension Passage and QuestionsThis reading answers the question we all get, "When am I ever Going to Use this?" This is a high-interest, real-world reading that helps students understand how science cl

8th - 12th Science, General Science, Physical Science

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

Space Science Emergency Sub Plans | 2 Days | Middle School | No Prep Worksheets

Created by
TWFScience

2-Day, Emergency Space Science Introduction Sub Plans – No Prep 6th, 7th, 8th Grade Astronomy Activities and Worksheets.Need to be away from your classroom but still want your students to continue learning meaningful science content? This print-and-go AND fully digital 2-day Emergency Sub Plan allow

5th - 9th Astronomy, Earth Sciences, General Science

NGSS MS-ESS1-2, MS-ESS1-3, MS-ETS1-1

Our Solar System Emergency Sub Plans | 2 Days | Middle School | No Prep Space

Created by
TWFScience

2-Day, Emergency Solar System Sub Plans – No Prep 6th, 7th, 8th Grade Astronomy Activities and Worksheets.Need to be away from your classroom but still want your students to continue learning meaningful science content?This print-and-go AND fully digital 2-day Emergency Sub Plan allows your students

5th - 9th Astronomy, Earth Sciences, General Science

NGSS MS-ESS1-2, MS-ESS1-3, MS-ETS1-1

Stars Emergency Sub Plans | 2 Days | Middle School | The Sun No Prep Activities

Created by
TWFScience

2-Day, Emergency Stars Sub Plans – No Prep 6th, 7th, 8th Grade Astronomy Activities and Worksheets.Need to be away from your classroom but still want your students to continue learning meaningful science content?This print-and-go AND fully digital 2-day Emergency Sub Plan allows your students to con

5th - 9th Astronomy, Earth Sciences, General Science

The Seasons Emergency Sub Plans | 2 Days | Middle School | No Prep Activities

Created by
TWFScience

2-Day, Emergency Seasons and Earth's Tilt Sub Plans – No Prep 6th, 7th, 8th Grade Earth Science and Astronomy Activities and Worksheets.Need to be away from your classroom but still want your students to continue learning meaningful science content?This print-and-go AND fully digital 2-day Emergency

5th - 9th Astronomy, Earth Sciences, General Science

NGSS MS-ESS1-1

Environmental Science Data Investigation Bundle | Case Studies & Graphing

Created by
TWFScience

Turn your classroom into an environmental investigation lab.This growing bundle of Environmental Case Files gives students authentic, data-driven ecosystem challenges where they analyze trends, evaluate evidence, and determine the most likely cause of environmental change.These are not simple readin

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

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

The Acid Rain Mystery – Chemistry Detective Activity | Precipitation, pH scale

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on air pollution and chemical reactions in the atmosphere. In this case file activity, students analyze rainwater pH data, examine surface damage on stone buildings, evaluate plant health pattern

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3+3

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

Forever Chemicals (PFAS) Reading | Risks, Sources, Solutions 6th, 7th, 8th Grade

Created by
TWFScience

This grade 6–8 reading introduces students to the science behind forever chemicals—a group of human-made substances that persist in the environment and build up in the body over time. Students learn what PFAS are, how they’re used in everyday products like waterproof clothing and nonstick cookware,

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3

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

Deforestation & Habitat Destruction Reading | 6th, 7th, 8th Grade | Biodiversity

Created by
TWFScience

This grade 6–8 reading introduces students to the science behind deforestation and habitat destruction, exploring how the removal of forests and natural areas affects biodiversity, climate, and human communities. Students learn what drives deforestation, how it threatens plant and animal species, an

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3

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

Overfishing & Ocean Ecosystem Collapse Reading | 6th, 7th, 8th Grade | Marine

Created by
TWFScience

This grade 6–8 reading comprehension article introduces students to the science behind overfishing and how it contributes to the collapse of ocean ecosystems. Students learn what overfishing is, why it happens, and how it disrupts marine food webs and threatens biodiversity, food security, and coast

6th - 8th General Science, Marine Science, Physical Science

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3

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

Landfill & Waste Management Reading | 6th, 7th, 8th Grade |

Created by
TWFScience

This grade 6–8 reading introduces students to the science behind landfill and waste management, examining how human-generated waste is handled, the challenges it creates, and the innovations being developed to reduce its environmental impact. Students learn how landfills work, what happens to trash

6th - 8th General Science, Marine Science, Physical Science

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3

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

The Household Cleaning Products Reaction Mystery – Chemistry Detective Activity

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on how household cleaning products work at the chemistry level. In this case file activity, students analyze cleaning test results, compare grease and stain removal data, evaluate disinfectant cl

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3+3

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

The Conductivity Case Mystery – Chemistry Detective Activity | Current, Circuit

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on why some liquids conduct electricity while others do not. In this case file activity, students analyze conductivity test results, compare salt water, sugar water, vinegar, baking soda, tap wat

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3+3

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

The Energy Release Mystery – Chemistry Detective Activity | Exothermic, Reaction

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on how and why some chemical reactions release energy rapidly. In this case file activity, students analyze temperature changes, observe gas production, evaluate reaction speed data, examine syst

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3+3

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

The Phase Change Puzzle Mystery | Detective Activity | States of Matter

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on why matter changes state without changing its identity. In this physical change vs chemical change case file activity, students analyze melting and freezing, evaporation, and condensation obse

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-3+3

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