8th Grade Science Experiments

Human Impact on Ecosystems Inquiry Lab Experiment: Ecobottles Lab

Working in pairs, students choose a 'human factor' variable, build control and experimental eco-bottle ecosystems, make daily observations over about 2.5 weeks, and produce a typed lab report with introduction, variables, hypothesis, procedure, materials, results (tables/graphs), discussion questions, and conclusion…

Includes: Ecobottle Lab student handout: task description, human-factor options, lab report requirements (introduction, variables, hypothesis… · Discussion questions

Properties of Water Science Lab

Time how long it takes honey, water, and corn syrup to flow through a viscometer and compare volumes; use tissue paper and a paper clip to make the paper clip float on water and explain why; count how many drops of water fit on a penny before spilling over and observe/draw the water dome; answer discovery/explanation…

Includes: Viscosity experiment: student procedure, materials list, data table (honey/water/corn syrup), and explanation questions · Surface Tension - Floating Paperclip experiment: materials list and open-ended discovery task with explanation questions

Race Car Science Lab

Work in assigned group roles (Materials Manager, Timer, Recorder, Car Roller) to build a ramp, form a hypothesis in 'If..., then...' format, identify the manipulated and responding variables, test three different fabric materials on the ramp, time the car's travel, and record results.

Includes: teacher's guide (group sizes, group job roles, lab set-up instructions, extension/enrichment ideas) · student lab sheet with hypothesis, variables, materials list, and procedure sections

Scientific Method Experiments Bundle

Design and conduct one of six experiments (pendulum swing time, paper airplane design, memory recall, water temperature and dissolving rate, baking soda and vinegar reaction, exercise and heart rate), forming a hypothesis, identifying variables, collecting data, and drawing conclusions.

Includes: 6 experiment investigation instructions: Pendulum Investigation, Paper Airplane Challenge, Memory Recall, Water Temperature and…

Paper Towel Absorbency Test – Scientific Method Lesson

Teach the eight steps of the scientific method (questioning, controlling variables, hypothesis, planning, performing, observing, analyzing, discussing) as a general framework, with a paper towel absorbency experiment provided as the applied lab activity.

Photosynthesis Lesson, Worksheets, and Experiments for 5th, 6th, & 7th

Explore Photosynthesis Lesson, Worksheets, and Experiments for 5th, 6th, & 7th.

Includes: 'The Magic of Photosynthesis' reading passage · comprehension question set with matching item

Newton’s 3 Laws of Motion – Lab Station Activity

Rotate in small groups through 8 stations completing: a hands-on friction/normal-force measurement, a research task (tablecloth-trick video + Newton's-law identification), a written-opinion response about a Galileo thought experiment, an applicability reading with comprehension questions (helmets/concussions), a…

Density and Buoyancy – Lab Station Activity

In groups, rotate through 9 lab stations (7 content stations + 2 rest stations), completing a 'passport' packet: measure mass/volume and calculate density of two irregularly shaped objects using an overflow can and scale (Station 1); research the densest substance on Earth versus the Sun's density (Station 2); write a…

The Scientific Method PBL

Design an experiment testing whether dominant vs. non-dominant hand affects accuracy dropping a ball onto a target, using provided materials; write a hypothesis, develop numbered procedures, collect data, calculate mean/mode/standard deviation, and write a claim-evidence-reasoning lab report.

Includes: general PBL instructions for teachers (1 page) · teacher version with full answer key/guidance (4 pages)

Mass, Volume, Density, & Buoyancy - 7 Lab Station Activities

In groups, students rotate through stations completing a 'passport' recording sheet: Station 1 designs an object and determines its mass/weight (Earth and Moon)/volume/density and predicts whether it floats; Station 2 researches gravity on another planet; Station 3 writes an opinion paragraph on the real-world…

Includes: teacher prep/reference instructions ('START HERE') · 9 lab station cards (Get Hands-On, Research, Explain Yourself, 2 Rest stations, Applicability Reading, Test Your Knowledge, Learn from…

Science Action Labs Water Science: Active Science with Water

Students perform hands-on experiments and demonstrations (e.g., testing buoyancy, purifying polluted water, growing/observing ice cube melt), record data in provided tables, and answer worksheet questions; some sections are designed as teacher demonstrations or student projects/reports.

Includes: 23 numbered lab/activity chapters · data tables within labs

Science Action Labs Environment: Explorations in Environmental Science

Work in lab teams to complete hands-on investigations across 21 sections: Trapping Smog Particles, Investigating Smog, Water Pollution Lab, Water Water Everywhere, water cycle lab, Acid Rain, Symbiosis Guessing Game, Soil Lab, Trees Are Not Just for the Birds, Acoustilab (sound pollution), Quackery Lab, Survival…

Includes: cover/title page · table of contents

Science: Investigation Booklet

An editable, blank scientific investigation template booklet that can be adapted to any science experiment, guiding students through the steps of the scientific method.

Includes: 5-page blank investigation booklet template with sections: Question, Method, Apparatus/Equipment, Controlling Factors, Gathering…

Grade 8 Science Curriculum Bundle | NGSS-Aligned Year-Long Lessons

Complete labs and STEM investigations, read guided reading passages, fill in vocabulary notebook and worksheets, take unit assessments, and complete review projects across a 36-week course.

Includes: File 1: Teacher Guide and Curriculum Overview (12 pages) · File 2: Lesson Plans, 36 Weeks (117 pages)

Black Hole Experiment Activity

Place a magnet where indicated, move paper clips one at a time closer to it, observe the attraction, and write notes explaining why the objects were pulled in.

Includes: single-page experiment instructions · materials list (magnet, paper clips)

Food Science and Elevation eBook

Students complete fact-sheet and graphic-organizer worksheets on boiling point, research and record boiling-point/freezing-point/atmospheric-pressure data at different altitudes, do vocabulary matching, and conduct lab experiments comparing solutes' effects on boiling point.

Includes: objectives page · background information and conversion formulas

Crime Scene Investigation Student Activity

A 9-day cross-curricular (science-based) crime-scene-investigation unit in which students act as detectives to solve a staged classroom 'crime' using forensic-style experiments.

Includes: Teacher Tasks Overview and 9-day unit plan outline · crime-scene setup instructions and materials list (cola can, ice cube tray, baking soda, scarecrow victim, ransom note, plastic cup…

Our Earth Activity Booklet

Label diagrams, do map reading, compare models and maps, interpret and record experiment results, design an experiment, do research, and complete a revision quiz on landforms.

Includes: Teachers' Information page · Teachers' Notes for each of 5 sections

Acid-Base Neutralization – 9-Station Lab Activity

Rotate in groups through 9 stations: (1) perform a hands-on vinegar/baking-soda/phenolphthalein color-change test tube experiment, (2) research blood pH regulation, (3) write an opinion paragraph on preventing acid precipitation, (4) and (8) rest/catch-up stations, (5) read an article on gastric juice and answer…

Includes: 9 station instruction cards · group answer 'passport' booklet

Science Action Labs Plant Science

Carry out hands-on labs and experiments across 21 sections: It Is Not Easy to Be Alive, The Size and Shape of Living Things, Are Plants Alive?, Yeast Under Control, Seed Lab, A Science Fair with Seeds, Corn Seed Olympics, Traveling Seeds, Flower Power, Investigating Pollen, Great Plant Scientists, Leaves: The Factory…

Includes: cover/title page (marked 'Gr. 4-8', subtitled 'Learning About Plant Life') · full table of contents (21 sections)

Science Action Labs Electricity & Magnetism

Carry out hands-on labs and experiments across 19 sections (Magnets in Our World, Making and Testing Magnets, Magnetic Lines of Force, Compass Lab, Electromagnet Lab, Millimag Lab, Magnetism from the Earth, Magnetic Challenge, Magnetic Fun, static electricity labs, Static Cafeteria, Building an Electroscope, Edison…

Includes: cover/title page (marked 'Gr. 4-8') · table of contents

Fun with Chemistry: 20 Exciting Chemical Reaction Experiments For Kids

Follow materials lists and numbered instructions to conduct each experiment under adult supervision, observe the reaction, and read the accompanying explanation of why it happens.

Includes: Safety First page (adult supervision, safety goggles required) · Introduction

Science Action Labs Air Science: Active Science with Air

Form a hypothesis, assemble described materials, and carry out hands-on experiments/activities across 24 lab sections (What Is in Our Air?, A Gas Guessing Game, Air Matters, Balloons: Elastic Bags of Air, balloon-weight and puzzler labs, Air Under Pressure, Air Pressure Fun, Bottled Eggs, Newton's Soda Pop Bottle…

Includes: cover/title page (marked 'Gr. 4-8') · table of contents

Science Action Labs Sound & Light

Students perform hands-on lab activities/experiments on sound and light, record observations/data on provided data tables, and check work against a provided answer key.