8th Grade Laboratory

Newton's Three Laws of Motion Worksheets & Activities Bundle | 1st, 2nd, 3rd Law

Created by
TWFScience

Newton's 3 Laws of Motion Activity Bundle - 21 activities and worksheets included. This bundle provides complete, READY-TO-USE resources for teachers who want to help students build deep understanding through hands-on exploration. With a mix of labs, readings, stations, and independent activities, s

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

NGSS MS-PS2-1, MS-PS2-2, HS-PS2-1

Newton 1st Law of Motion STEM Investigation | Penny and Index Card Inertia Test

Created by
TWFScience

Students will investigate Newton’s First Law of Motion by testing how different masses behave when the support beneath them is removed rapidly. Using an index card, a coin, and a cup, students flick the card to observe whether objects of varying mass drop straight into the cup or move with the card.

6th - 11th Basic Principles, Physical Science, Physics

NGSS MS-PS2-1, MS-PS2-2, MS-ETS1-1+2

Also included in: Newton's Three Laws of Motion STEM Investigations Bundle — Scientific Method

Newton's Second Law of Motion STEM Investigation | Balloon Rocket, 2nd Law

Created by
TWFScience

Students will investigate Newton’s 2nd Law of Motion by testing how changing the mass carried by a balloon rocket affects its acceleration. Using a taut string track, a straw, a balloon, and removable mass clips, students run repeated launches to measure travel time and calculate average speed. Thro

6th - 11th Basic Principles, Physical Science, Physics

NGSS MS-PS2-1, MS-PS2-2, MS-ETS1-1+2

Also included in: Artemis Missions, Moon Bases, and Future Space Colonization Unit Bundle

Newton's Third Law of Motion STEM Investigation | Thrust vs Nozzle Size, 3rd Law

Created by
TWFScience

Students will investigate Newton’s 3rd Law of Motion by testing how changing the nozzle opening of a water-powered bottle jet affects the distance it travels. Using a plastic bottle, interchangeable bottle-cap nozzles with different hole diameters, and a simple launch cradle, students observe how th

6th - 11th Basic Principles, Physical Science, Physics

NGSS MS-PS2-1, MS-PS2-2, MS-ETS1-1+2

Also included in: Newton's Three Laws of Motion STEM Investigations Bundle — Scientific Method

Newton's Three Laws of Motion STEM Investigations Bundle — Scientific Method

Created by
TWFScience

This Newton's Laws STEM Bundle includes my 1st, 2nd, and 3rd Law of Motion STEM Investigations. Each one is built around true engineering design, fair testing, repeated trials, data tables, graphing, and CER writing. This bundle also includes my 'Newton's Laws of Motion Word Search and Scramble Acti

7th - 10th Chemistry, Engineering, Physical Science

NGSS MS-PS2-1, MS-PS2-2, MS-ETS1-1+7

Mythical Creature Dichotomous Key Activity

Created by
TWFScience

The classroom hum fades into a hush. A warm breeze rustles imaginary leaves as ten fantastical creatures drift, stomp, slither, and shimmer into view. Your students have one tool to navigate this enchanted encounter: a dichotomous key. With each YES/NO choice, they rule out the possibilities—drake o

6th - 11th Basic Principles, Biology

Evaporation Race - A Water Cycle Lab Investigation | Hydrologic Cycle

Created by
TWFScience

Students will investigate evaporation in the water cycle by measuring how temperature and air flow affect evaporation rate. Using identical shallow dishes filled with equal volumes of water, students set up control, warm, and wind conditions and track changes in water volume over time. Through repea

7th - 10th Earth Sciences, General Science, Physical Science

NGSS MS-ESS2-4, HS-ESS2-4

Also included in: The Water Cycle Bundle - Lesson, Worksheets, & Activities | Hydrologic Cycle

Mini Water Cycle Lab - A Hydrologic Cycle Lab Investigation | TWO Versions

Created by
TWFScience

Students will model the water cycle in a closed system by creating a mini “water cycle” using a sealed clear bag. By adding energy from sunlight or a lamp, students observe evaporation, condensation, and water movement over time. Through structured observations, optional temperature tracking, and a

6th - 10th Earth Sciences, General Science, Physical Science

NGSS MS-ESS2-4, HS-ESS2-4

Also included in: The Water Cycle Bundle - Lesson, Worksheets, & Activities | Hydrologic Cycle

Salt & Evaporation: Mass, Volume, & Salinity Changes - A Water Cycle Lab

Created by
TWFScience

Students will investigate how evaporation changes water volume and salt concentration by comparing freshwater, ocean-like salinity, and high-salinity solutions over multiple days. Using shallow dishes, measured salt masses, and repeated mass or volume measurements, students track evaporation and cal

7th - 10th Earth Sciences, General Science, Physical Science

NGSS MS-ESS2-4, HS-PS1-3, HS-ESS2-5

Also included in: The Water Cycle Bundle - Lesson, Worksheets, & Activities | Hydrologic Cycle

Water Cycle & Evaporation Lab Bundle | Hydrologic Cycle Investigations

Created by
TWFScience

3 Lab Investigations on the Water Cycle - Evaporation • Energy Transfer • Salinity & Earth SystemsStudents will explore evaporation as a driving force in the water cycle through three connected, hands-on STEM investigations. Across short-term and multi-day labs, students measure evaporation rate

6th - 10th Earth Sciences, General Science, Physical Science

NGSS MS-ESS2-1, MS-ESS2-4, HS-ESS2-5

Cell Organelles Logic Puzzle - Determine the Mystery Organelle Activity

Created by
TWFScience

Cell Organelles Activity - Logic Puzzle & Critical Thinking Lab for CellsLooking for a way to teach cell organelles that goes beyond worksheets and memorization?This Mystery Organelle Logic Lab challenges students to use deductive reasoning, evidence, and scientific thinking to identify cell org

6th - 9th Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3

Cell Organelle Detective – Use Clues to Solve TWO Cell Organelles Mysteries

Created by
TWFScience

Cell Detectives: Solving Cell Structure & Function Mysteries - Hands-On Cell Organelles Case File ActivitiesTurn your students into cell detectives with these engaging, evidence-based mystery investigations! In this interactive activity set, students analyze clues, match symptoms to organelle fu

6th - 9th Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3

Cell Organelles Logic Puzzles - Determine the Mystery Organelle Activities

Created by
TWFScience

Cell Organelles Activity - FOUR Logic Puzzles that let your students become cell organelle detectives Looking for a way to teach cell organelles that goes beyond worksheets and memorization?This Mystery Organelle Logic Lab challenges students to use deductive reasoning, evidence, and scientific thin

6th - 9th Biology, General Science

NGSS MS-LS1-1, MS-LS1-2, MS-LS1-3

Electromagnet - Coil Turns vs Magnetic Strength STEM Investigation

Created by
TWFScience

Students will investigate electromagnetism by building their own classroom-made electromagnets and testing how changing the number of wire coils affects magnetic strength. Using an iron nail, insulated wire, a battery, and paper clips, students observe how electric current creates a magnetic field a

6th - 11th Basic Principles, Physical Science, Physics

NGSS MS-PS2-3, MS-PS2-5, MS-ETS1-1+2

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

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

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

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

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

Valentine's Day Science Activities | STEM, Project, Readings | 6th, 7th, 8th

Created by
TWFScience

Make February meaningful (and still academically rigorous) with hands-on, low-prep Valentine’s Day science. This bundle brings together activities, STEM investigations, readings, and a project that connects core science concepts to familiar Valentine’s themes—chocolate, candy, hearts, bonding, and c

6th - 10th Chemistry, Engineering, Physical Science

Valentine's Day Science Activities | STEM, Project, Readings | High School

Created by
TWFScience

Make February meaningful (and academically rigorous) with hands‑on, low‑prep Valentine’s Day science for grades 9‑12. This bundle combines lab investigations, in‑depth readings, themed activities, and a project that ties core high‑school science concepts—density, gas production, bond energy, phase c

8th - 11th Chemistry, Engineering, Physical Science

Net Force - Balanced vs Unbalanced Forces STEM Investigation

Created by
TWFScience

In this hands-on STEM investigation, students will explore net force, balanced forces, and unbalanced forces by analyzing force interactions in the horizontal direction. Using force diagrams and simple calculations, students learn how multiple forces act on an object and how to determine whether tho

6th - 11th General Science, Physical Science, Physics

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

Thermal Insulation STEM Investigation – Keep Ice from Melting! Heat Transfer

Created by
TWFScience

In this hands-on STEM investigation, students will explore heat transfer and thermal insulation by designing and building a container that keeps an ice cube from melting. Using common materials, students test how different insulation designs affect the rate at which ice melts when exposed to room te

6th - 11th General Science, Physical Science, Physics

Also included in: Winter Weather & Snow Bundle - Lessons, Project, Activities | 6th 7th 8th Grade

Why Do Roads Get Salted? STEM Investigation — Lowering the Freezing Point

Created by
TWFScience

In this hands-on STEM investigation, students explore freezing point depression and phase changes by testing how adding different amounts of salt affects how quickly ice melts. Using real-world winter road safety as the context, students investigate why salt is spread on icy roads and how it changes

6th - 11th General Science, Physical Science, Physics

Also included in: Winter Weather & Snow Bundle - Lessons, Project, Activities | 6th 7th 8th Grade

Human Body Systems and Health Detective Mystery Bundle | Activity SUB PLAN

Created by
TWFScience

Build a high-engagement, low-prep human body system and health program that grows with you. This bundle collects my Human Body Systems and Health Detective Mystery Case Files—each one built around real-world body system and health problem, evidence analysis, pathway tracking, suspect ranking, and Cl

7th - 11th Anatomy, Biology, General Science