8th Grade Earth Sciences Resources

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

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

The Rock Cycle - Igneous, Sedimentary, Metamorphic Rocks Reading | Grade 8 & Up

Created by
TWFScience

The rock cycle is one of the most important concepts in Earth science, and this reading comprehension article helps students understand how igneous, sedimentary, and metamorphic rocks form and change over time. It explains how rocks are created by melting and cooling, broken down by weathering and e

8th - 12th Science, Biology, Earth Sciences

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Supervolcanoes & Mega-Eruptions Reading | 6th, 7th, 8th Grade | Pyroclastic Flow

Created by
TWFScience

This grade 6–8 reading introduces students to the extreme power of supervolcanoes and mega-eruptions and how these rare events can affect the entire planet. It explains what supervolcanoes are, how they form, and why scientists closely monitor them despite eruptions being very rare.The article break

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

The Rock Cycle Reading | 6th, 7th, 8th Grade | How Rocks Are Made and Changed

Created by
TWFScience

This grade 6–8 reading introduces students to the rock cycle and how Earth’s rocks are constantly being formed, broken down, and changed over time. It explains the three main types of rocks—igneous, sedimentary, and metamorphic—and how natural forces such as heat, pressure, weathering, and erosion d

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

Also included in: Reading Comprehension Article & Question Mega Bundle | 6th, 7th, 8th Grade

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

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

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

Chocolate & Cacao Trees Ecology Project | Human Impact | 6th, 7th, 8th Grade

Created by
TWFScience

In this project, your students will explore how cacao trees depend on healthy ecosystems and how human activities affect the future of chocolate. Students will investigate where cacao trees grow, the environmental conditions they need to survive, and how deforestation and climate change threaten cac

6th - 8th Science, Biology, Earth Sciences

NGSS MS-LS2-2, MS-LS2-4, MS-LS2-5

Also included in: Valentine's Day Science Activities | STEM, Project, Readings | 6th, 7th, 8th