Linked Through Learning

9th Grade Science Resources

Clear all filters

Filters

Active filters

Clear all

Loading filters…

Microplastics & Plastic Pollution Lesson | 7th, 8th, 9th Grade | Human Impact

Created by
TWFScience

This lesson on Microplastics & Plastic Pollution specifically covers what microplastics are, how they form, how they move through ecosystems and food chains, their impact on human health, and why they are difficult to remove. Additionally, your lesson includes my Microplastics Mystery Activity w

6th - 9th Chemistry, General Science, Physical Science

$5.47

Plastics and their Environmental Impact Bundle - Microplastics | High School

Created by
TWFScience

This NO-PREP bundle includes lessons, readings, worksheets, and multiple case studies focused on plastics, microplastics, polymers, and plastic pollution.Students build a deep, evidence-based understanding of plastics as both a scientific innovation and an environmental challenge through a carefully

9th - 11th Chemistry, Earth Sciences, Physical Science

Bundle (7 products)

$23.29

$13.19

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

$3.97

$2.97

Oobleck: Force vs Flow — Non-Newtonian Fluids STEM Investigation

Created by
TWFScience

Students will investigate non-Newtonian fluids by creating oobleck and testing how different types of force affect whether it behaves like a solid or a liquid. Using cornstarch and water, students observe how fast force causes oobleck to act solid while slow force allows it to flow like a liquid. Th

6th - 11th Chemistry, Physical Science, Physics

Also included in: STEM Investigations Growing Bundle — Scientific Method, Design, Data & CER

$2.97

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

$3.97

$2.97

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

$3.97

$2.97

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

$3.97

$2.97

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

Free

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

$3.97

$2.97

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

$3.97

$2.97

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

$3.97

$2.97

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

$3.97

$2.97

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

Bundle (20 products)

$75.43

$19.97

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

$3.97

$2.97

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

$3.97

$2.97

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

$3.97

$2.97

The Fossil Fuels & Energy Crisis Mystery – Detective Case File | Human Impact

Created by
TWFScience

Turn your students into science detectives with this engaging, real-world investigation focused on fossil fuels, energy use, and environmental damage. In this case file activity, students analyze evidence, track environmental pathways, interrogate suspects, and build a scientific case to solve the m

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

$3.97

$2.97

Fast Fashion & Consumerism Mystery – Detective Case File | Human Impact

Created by
TWFScience

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

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

$3.97

$2.97

Lab-Grown Meat and the Future of Food Reading | Grade 8 & Up | Cell, Plant-Based

Created by
TWFScience

Lab-grown meat is one of the most fascinating (and controversial) innovations in modern food science, and this Reading Comprehension Passage and Questions helps students understand how cultivated/cell-based meat is made and why it’s being developed. Students learn how real meat can be grown from ani

8th - 12th Science, Biology, Earth Sciences

$2.97

Exoplanets and How We Could Get There Reading | Grade 8 & Up | Habitable Zone

Created by
TWFScience

Exoplanets and Interstellar Travel is one of the most fascinating and mind-bending topics in modern astronomy, and this Reading Comprehension Passage and Questions helps students understand what exoplanets are, how scientists find them, and what it might take for humans to ever reach them.Students l

8th - 12th Science, Biology, Earth Sciences

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

$2.97

Crash Course Video Worksheets Mega Bundle | Life and Physical Science Sub Plan

Created by
TWFScience

Crash Course Ultimate Video Series Worksheet Bundle with answer key. Whether you are introducing a topic, reviewing a concept, or leaving as a sub plan, my Crash Course video worksheets are a terrific solutions. Get ALL my worksheets for the price of two bundles - you save 96%!Buyer Comments:⭐️⭐️...

6th - 12th Science, Biology, General Science

Bundle (306 products)

$727.56

$32.33

Homemade Lava Lamp STEM Investigation - Density & Gas Production

Created by
TWFScience

Students will investigate density, polarity, and gas production by creating a homemade lava lamp and testing how adding different amounts of an effervescent tablet affects liquid motion. Using oil, water, food coloring, and tablets, students observe how gas bubbles change density, causing colored li

6th - 11th Chemistry, Physical Science, Physics

Also included in: STEM Investigations Growing Bundle — Scientific Method, Design, Data & CER

$2.97

Valentine's Day Lava Lamp STEM Investigation - Density & Gas Production

Created by
TWFScience

Students will investigate density, polarity, and gas production through a Valentine’s Day–themed lava lamp investigation. Using oil, water, food coloring in Valentine colors, and heart-themed effervescent tablets, students explore how chemical reactions can make liquids move in surprising ways—perfe

6th - 11th Chemistry, Physical Science, Physics

Also included in: Valentine's Day Science Activities | STEM, Project, Readings | High School

$2.97

Love in the Animal Kingdom Reading | Grade 8 & Up | Social Monogamy

Created by
TWFScience

Love in the Animal Kingdom is a fascinating and engaging biology topic that helps students explore how many animals form strong pair bonds, cooperate with mates, and raise offspring together. This Reading Comprehension Passage and Questions introduces students to the science behind animal “love,” sh

8th - 12th Science, Biology, Earth Sciences

Also included in: Valentine's Day Science Activities | STEM, Project, Readings | High School

$2.97