Science Laboratory

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

Four Seasons Data Graphing Lab Bundle | 6th, 7th, 8th Grade | Sun Angle Daylight

Created by
TWFScience

These three seasonal data and graphing activities will help your students understand seasonal changes while building graphing and data analysis skills. This bundle gives teachers an easy, NO PREP way to have students work with real-world environmental data to explore how seasons affect Earth’s syste

6th - 9th Graphing, Earth Sciences, Environment

NGSS MS-LS2-1, MS-ESS1-1, MS-ESS1-2+1

Also included in: Earth, Sun, & Moon Patterns - 5E Lesson Bundle | Seasons, Moon Phases, Eclipses

Climate Change & Long-Term Trends Graphing Labs | 6th, 7th, 8th Grade Science

Created by
TWFScience

These three climate change and long-term weather data graphing activities that will help your students understand climate change while building graphing and data analysis skills. This bundle gives teachers an easy, NO PREP way to have students work with real-world environmental data to explore how E

6th - 9th Graphing, Earth Sciences, Environment

NGSS MS-ESS2-5, MS-ESS2-6, MS-ESS3-3+1

Also included in: Middle School Science Graphing & Data Analysis Bundle | Real-World Data 6, 7, 8

Environmental Science Data Investigation Bundle | Case Studies & Graphing

Created by
TWFScience

Turn your classroom into an environmental investigation lab.This growing bundle of Environmental Case Files gives students authentic, data-driven ecosystem challenges where they analyze trends, evaluate evidence, and determine the most likely cause of environmental change.These are not simple readin

6th - 9th Biology, Earth Sciences, General Science

NGSS MS-LS2-1, MS-LS2-2, MS-LS2-3+2

Energy and Resource Use Investigation Graphing Labs | 6th, 7th 8th Grade Science

Created by
TWFScience

These three energy and resource use data graphing activities will help your students understand how energy production, carbon emissions, and resource extraction impact the environment while building strong graphing and data analysis skills. This bundle gives teachers an easy, NO PREP way to have stu

6th - 9th Graphing, Earth Sciences, Environment

NGSS MS-ESS3-1, MS-ESS3-2, MS-ESS3-3+2

Also included in: Middle School Science Graphing & Data Analysis Bundle | Real-World Data 6, 7, 8

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

Disease Spread & Public Health Data Graphing Labs | 6th, 7th, 8th Grade Science

Created by
TWFScience

These three disease spread and public health data graphing activities will help your students understand how infectious diseases spread and how prevention strategies impact public health while building strong graphing and data analysis skills. This bundle gives teachers an easy, NO PREP way to have

6th - 9th Graphing, Biology, General Science

NGSS MS-ESS2-1, MS-ESS2-2, MS-ESS2-3

Also included in: Middle School Science Graphing & Data Analysis Bundle | Real-World Data 6, 7, 8

Spring Environmental Data Graphing Lab Bundle | 6th, 7th, 8th Grade | Seasons

Created by
TWFScience

These three spring environmental change data graphing activities will help your students understand how seasonal climate conditions influence ecosystems while building strong graphing and data analysis skills. This bundle gives teachers an easy, NO PREP way to have students work with real-world envi

6th - 9th Graphing, Biology, General Science

NGSS MS-ESS2-1, MS-ESS2-4, MS-ESS2-6

Also included in: Middle School Science Graphing & Data Analysis Bundle | Real-World Data 6, 7, 8

Energy Transfer and Heat Investigation Graphing Lab Bundle | 6th, 7th, 8th Grade

Created by
TWFScience

These three energy transfer and heat graphing investigations help students understand how thermal energy moves through matter while building strong graphing and data analysis skills. This bundle gives teachers an easy, NO PREP way to have students work with real-world style datasets to explore Heati

6th - 9th Graphing, Biology, General Science

NGSS MS-PS3-3, MS-PS3-4

Also included in: Middle School Science Graphing & Data Analysis Bundle | Real-World Data 6, 7, 8