Science Laboratory

Yeast Balloon STEM Lab: Sugar % vs CO2 Production | Scientific Method

Created by
TWFScience

Turn a cup, balloon, and pantry ingredients into a full scientific-method investigation. Students explore how sugar concentration changes yeast fermentation by measuring balloon circumference as a proxy for CO₂ volume. The lab emphasizes variables, fair testing, repeated trials, graphing, and CER wr

6th - 10th Basic Principles, Physical Science, Physics

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

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

Spooky Substances Lab Station Activity - Physical vs Chemical Changes Halloween

Created by
TWFScience

Bring Halloween fun into your chemistry or physical science class with this Spooky Substances Lab! Students mix eerie “Swamp Sludge” and “Graveyard Fog” to observe real scientific changes—then decide which are physical and which are chemical.This station lab activity package is designed to enhance s

6th - 11th Science, Biology, General Science

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

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Halloween Ghost Balloon STEM Investigation: The Science of Lift and Reaction

Created by
TWFScience

Tonight is the Hallowbrook Harvest, and the town’s glowing Pumpkin Beacon—the lantern that keeps mischievous spirits from pranking the candy supply—has dimmed. The only way to recharge it is to airlift a ghost balloon up to the Witching Line so it can soak up protective moonlight.Your team has been

6th - 10th Basic Principles, Physical Science, Physics

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

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Halloween Candy Combustion Calorimetry STEM Lab Food Energy & Chemical Reactions

Created by
TWFScience

Midnight approaches in Hallowbrook, and the town’s Lantern of Wards is flickering. To keep prankster spirits from short-circuiting Halloween, we must fuel the lantern with treats that have enough Treat Heat—the real, measurable energy hidden inside candy. You are the Order of the Calori-mancers. You

9th - 12th Basic Principles, Chemistry, Physical Science

NGSS HS-PS3-1, HS-PS3-4

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Balloon Lift Design STEM Investigation: The Science of Lift and Reaction

Created by
TWFScience

Turn a bottle, balloon, and household ingredients into a full engineering-design challenge! Students test how different amounts of baking soda affect CO₂ gas production and balloon lift.The lab emphasizes variables, fair testing, repeated trials, data collection, graphing, and CER writing—perfect fo

6th - 10th Basic Principles, Physical Science, Physics

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

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

Candy Chemistry Combustion Calorimetry STEM Lab Food Energy & Chemical Reactions

Created by
TWFScience

Turn everyday candy into a rigorous calorimetry and energy conservation investigation. Students burn a small candy sample under a soda-can calorimeter, measure the water’s temperature change, calculate q = m·c·ΔT, and estimate energy per gram (J/g and kcal/g)—then deduce from evidence which candy ha

9th - 12th Basic Principles, Chemistry, Physical Science

NGSS HS-PS3-1, HS-PS3-4

Also included in: Valentine's Day Science Activities | STEM, Project, Readings | High School

STEM Investigations Growing Bundle — Scientific Method, Design, Data & CER

Created by
TWFScience

Build a high-engagement, low-prep STEM program that grows with you. This Growing Bundle collects my best STEM investigations—each one built around true engineering design, fair testing, repeated trials, data tables, graphing, and CER writing. Buy once and get every future lab added to this bundle at

6th - 11th Chemistry, Engineering, Physical Science

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

Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Created by
TWFScience

Make October downright electric with hands-on, low-prep Halloween science. This Growing Bundle includes STEM activities, stations, readings, and more-all with a festive twist. Buy once and get every future addition free via bundle updates (price increases as new activities are added).What Students D

6th - 11th Chemistry, Engineering, Physical Science

Haunted Swamp STEM Lab Investigation: Halloween Water Filtration Challenge

Created by
TWFScience

A mysterious toxic spill has cursed the Haunted Swamp! Your class of scientists has been summoned by the local town council to design and build a filtration system that can rescue the swamp’s ghostly residents before Halloween night. Each team must engineer, test, and optimize a filter that clears “

6th - 10th Basic Principles, Physical Science, Physics

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

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Survival of the Creepiest – Halloween Creature Adaptation STEM Challenge

Created by
TWFScience

On Halloween night, the Earth's climate fractures into eerie realms warped by monstrous weather. Only creatures born of imagination (and backed by science adaptation) can survive. Your mission: design a horrifying yet biologically believable organism that has adapted to, thrives in, one of these cur

6th - 10th Basic Principles, Physical Science, Physics

NGSS MS-LS2-1, MS-LS2-2, MS-LS2-4+5

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Monster Genetics Challenge – Punnett Squares & Heredity Halloween STEM Lab

Created by
TWFScience

Under the eerie glow of a full moon, strange creatures are stirring in the lab—each one a mix of mysterious genes and spooky surprises! It’s up to your students to uncover the secrets of monster heredity by predicting, combining, and sketching their own genetically engineered beasts.In this interact

9th - 12th Basic Principles, Biology

Also included in: Genetics, Heredity, DNA, and Traits - 5E Lesson Bundle | Genotype and Phenotype

Halloween Creatures Dichotomous Key – A Spooky Classification Challenge

Created by
TWFScience

The classroom lights flicker. A chill skims across the lab tables as ten mysterious creatures shuffle, flap, and ooze into view. Your students have one tool to survive the night: a dichotomous key. With each YES/NO choice, they narrow the suspects—bat or crow, wisp or witch’s familiar—until every mo

6th - 11th Basic Principles, Biology

Also included in: Halloween Science Activities & Investigations | Labs, Stations, STEM, Readings

Marble Ramp: Height vs Average Speed STEM Investigation | Scientific Method

Created by
TWFScience

Give students a fast, hands-on motion investigation: set up a simple marble ramp, change only the ramp height, and measure how height affects average speed. With clear test rules and simple materials, students plan a fair test, collect multiple times for each height, calculate average speed, and cre

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

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

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

Clean Water Filtration STEM Investigation | Scientific Method 6th, 7th, 8th

Created by
TWFScience

Give students a fast, hands-on engineering investigation: build a low-cost water filter, change only one design choice at a time (layer order, thickness, sealing, or adding charcoal), and measure which design makes the clearest water the fastest—all while staying under a classroom budget cap. With t

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

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

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

Beetle Genetics STEM Investigation | Scientific Method | 6th, 7th, 8th

Created by
TWFScience

Give students a fast, hands-on genetics investigation: simulate beetle heredity, change only the parent genotypes, and use Punnett squares to predict and compare offspring outcomes. With print-and-cut genotype cards and clear scaffolds, students run multiple monohybrid crosses, extend to one dihybri

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

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

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

Adaptations by Design - Extreme Environments | STEM Investigation 6th, 7th, 8th

Created by
TWFScience

Students will design a biologically plausible organism, choose one extreme environment, and justify how its adaptations solve real environmental pressures. With a trait bank, word bank, a structured CER, and a Survival Index that rolls into a class bar graph, students connect structure → function →

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

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

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

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