8th Grade Chemistry Resources

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

The Missing Mass Mystery - Chemistry Detective Activity | Conservation of Mass

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on the Law of Conservation of Mass. In this case file activity, students analyze mass measurements, examine gas formation data, compare open and closed systems, evaluate dissolving observations,

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 Ozone Layer Mystery - Chemistry Detective Activity | Ultraviolet Radiation

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on what protects Earth from harmful radiation. In this case file activity, students analyze UV radiation data, examine ozone concentration trends, evaluate atmospheric chemistry evidence, track h

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 Plastic Breakdown Mystery - Chemistry Detective Activity | Microplastics

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on why plastic lasts so long in the environment. In this case file activity, students analyze environmental observations, examine sunlight exposure data, compare decomposition patterns, evaluate

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 Solubility Surprise Mystery - Chemistry Detective Activity | Solute, Solvent

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on why some substances dissolve while others do not. In this case file activity, students analyze dissolving observations, examine temperature effects, compare different substances in water, eval

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 Spoiled Food Mystery - Chemistry Detective Activity | Microorganisms Microbe

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on why food changes over time. In this case file activity, students analyze food spoilage observations, examine environmental conditions, compare storage methods, evaluate microbial activity evid

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

Chemistry in Everyday Life Detective Mystery Bundle | Physical Science Activity

Created by
TWFScience

This BUNDLE is composed of high-engagement, no-prep Chemistry in Everyday Life activities that grow with you. This bundle consists of mystery activities that examine everyday chemical reactions and guide your students through evidence analysis, pathway tracking, suspect ranking, and Claim–Evidence–R

7th - 11th Chemistry, General Science, Physical Science

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-4+2

The Air Quality Alarm Mystery - Chemistry Detective Activity | Pollution, Smog

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on air pollution and chemical contaminants in the atmosphere. In this case file activity, students analyze air quality data, examine pollutant sources, interpret particle measurements, evaluate c

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 Density Disaster Mystery - Chemistry Detective Activity | Buoyancy, Mass

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on density and buoyancy. In this case file activity, students analyze mass and volume data, examine floating and sinking observations, compare different materials, evaluate liquid density changes

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 Magnetic Mix-Up Mystery - Chemistry Detective Activity | Magnetism

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on magnetism and material properties. In this case file activity, students analyze magnetic test results, examine material composition, compare different metals and nonmetals, evaluate patterns i

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 Rising Dough Mystery - Chemistry Detective Activity | Fermentation, Baking

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on fermentation, gas production, and baking science. In this case file activity, students analyze dough observations, examine yeast activity, interpret gas formation evidence, evaluate temperatur

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 Rusting Metal Mystery - Chemistry Detective Activity | Corrosion, Oxidation

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on chemical change and corrosion. In this case file activity, students analyze rusting observations, examine environmental conditions, interpret moisture and oxygen effects, evaluate corrosion pa

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

Rare Earth Elements and Technology Reading | Grade 8 & Up | Mining, Resources

Created by
TWFScience

Rare Earth Elements and Technology: Uses, Supply Risks, and Sustainable Solutions Reading Comprehension Passage and QuestionsThis reading explores the critical role rare earth elements play in modern technology and the growing challenges tied to their supply and environmental impact. It is a high-in

8th - 12th Chemistry, Earth Sciences, General Science

The Case of the Corroded Bike Rack - Physical and Chemical Change Investigation

Created by
TWFScience

Engage your students with this NO PREP, real-world science WHODUNNIT investigation focused on chemical change, rusting, and corrosion. In this structured investigation, students examine real-world conditions, analyze data tables, evaluate the effects of moisture and salt, eliminate possible causes,

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-5

The Case of the Foggy Classroom Windows - Physical & Chemical Change Activity

Created by
TWFScience

Engage your students with this NO PREP, real-world science WHODUNNIT investigation focused on condensation and phase changes.In this structured investigation, students examine real-world conditions, analyze data tables, evaluate temperature and humidity changes, eliminate possible causes, and constr

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-5+1

The Water Purification Mystery - Chemistry Detective Activity | Treatment

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on water purification and treatment systems. In this case file activity, students analyze water quality data, examine filtration results, evaluate settling processes, investigate chemical treatme

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 Case of the Shrinking Balloon - Physical & Chemical Change Activity

Created by
TWFScience

Engage your students with this NO PREP, real-world science WHODUNNIT investigation focused on gas behavior and temperature changes.In this structured investigation, students examine real-world conditions, analyze data tables, evaluate temperature changes, eliminate possible causes, and construct a s

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

NGSS MS-PS1-1, MS-PS1-2, MS-PS1-5+1

The Unknown Substance Mystery - A Physical and Chemical Properties Activity

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on identifying unknown substances using physical and chemical properties. In this mystery activity, students analyze solubility data, examine texture and appearance observations, evaluate chemica

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 Hard Water Problem Mystery - Chemistry Detective Activity | Mineral Deposits

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on hard water and mineral deposits. In this case file activity, students analyze water quality data, examine evaporation and heating results, evaluate mineral content, investigate soap interactio

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 Particle Motion Mystery - Chemistry Detective Activity | States of Matter

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on particle motion and temperature. In this case file activity, students analyze temperature and volume data, examine expansion and contraction observations, evaluate patterns in gases, liquids,

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 Temperature Change Mystery - Chemistry Activity | Exothermic, Endothermic

Created by
TWFScience

Turn your students into science detectives with this NO PREP, engaging, real-world investigation focused on energy changes in chemical reactions. In this case file activity, students analyze temperature data, examine heating and cooling reactions, evaluate energy transfer patterns, compare repeated

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

Periodic Table Elements Cipher Puzzle - Physical Science Activity | Atoms

Created by
TWFScience

Engage your students with this NO PREP, interactive chemistry cipher activity focused on the periodic table, element families, and atomic structure.In this structured challenge, students use clues based on periodic table location, element properties, and real-world uses to identify 20 different elem

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

NGSS MS-PS1-1

Also included in: Chemistry Concepts Cipher Puzzle Bundle | Periodic Table, Nomenclature, Stoich

States of Matter and Phase Change Cipher Puzzle - Chemistry Activity

Created by
TWFScience

Engage your students with this NO PREP, interactive chemistry cipher activity focused on states of matter and phase changes.In this structured challenge, students use clues based on real-world examples and scientific vocabulary to identify states of matter and phase changes. After solving each clue,

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

NGSS MS-PS1-1

Also included in: Chemistry Concepts Cipher Puzzle Bundle | Periodic Table, Nomenclature, Stoich

Chemistry Concepts Cipher Puzzle Bundle | Periodic Table, Nomenclature, Stoich

Created by
TWFScience

Engage your students with these NO PREP, interactive chemistry ciphers filled with engaging activities focused on chemistry vocabulary, formulas, naming, periodic table concepts, matter, and more.In this GROWING bundle, students solve clues by identifying chemistry terms, naming compounds, writing f

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

NGSS MS-PS1-2, MS-PS1-4, MS-PS1-5+3