Basic Principles Resources

S.7.13 - Body Systems & Inherited Traits - Ecosystems Bundle | TEKS 7th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 7 science teachers who are teaching S.7.13 - Body Systems & Inherited Traits according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare their students for STAAR. ✅ Complete S.7.13 - 7t...

7th Grade Basic Principles, Biology

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

S.7.14 - Taxonomic System & the Relationships Between Organisms | TEKS 7th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 7 science teachers who are teaching S.7.14- Using the Taxonomic System to Describe Relationships Between Organisms according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare their students

7th Grade Basic Principles, Biology, Earth Sciences

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

S.8.6 Matter Classification Bundle | TEKS Science 8th Grade | Matter and Energy

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.6 - The student understands that matter can be classified according to its properties and matter is conserved in chemical changes that occur within closed systems. according to the Texas Essential Knowledge and Skills (T

8th Grade Basic Principles, Chemistry, Physical Science

S.8.7 Relationship Between Force & Motion Within Systems | TEKS 8th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.7 - Force, motion, and energy. The student understands the relationship between force and motion within systems. according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agen

8th Grade Basic Principles, Chemistry, Physical Science

S.8.8 - How Energy is Transferred Through Waves | TEKS 8th Grade | STAAR

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.8 - Force, motion, and energy. The student knows how energy is transferred through waves. according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare

8th Grade Basic Principles, Chemistry, Physical Science

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

S.8.9 - The Characteristics of the Universe and its Components | TEKS 8th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.9 - Earth and Space - The Characteristics of the Universe and its Components according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare their studen

8th Grade Astronomy, Basic Principles, Physical Science

S.8.10 Earth, Ocean, & Weather Interactions That Shape Climate | TEKS 8th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.10 - Earth, Ocean, and Weather Interactions that Impact Climate according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare their students for STAAR.

8th Grade Basic Principles, Earth Sciences, Physical Science

S.8.11 - Natural Events, Human Activity, and Global Climate | TEKS 8th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.11 - Natural Events, Human Activity, and their Impacts on Global Climate according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare their students fo

8th Grade Basic Principles, Earth Sciences, Physical Science

S.8.12 - Stability and Changes in Populations and Ecosystems | TEKS 8th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 8 science teachers who are teaching S.8.12 - Stability and Changes in Populations and Ecosystems according to the Texas Essential Knowledge and Skills (TEKS) Standards set down by the Texas Education Agency and want to prepare their students for STAAR. ✅ This

8th Grade Basic Principles, Earth Sciences, Physical Science

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

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

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

S.6.6 - Matter and Energy Curriculum Bundle | TEKS Science 6th Grade | STAAR

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 6 science teachers who are teaching S.6.6 - Matter and energy - The student knows that matter is made of atoms, can be classified according to its properties, and can undergo changes according to the Texas Essential Knowledge and Skills (TEKS) Standards and wa

6th Grade Basic Principles, Chemistry, Physical Science

S.6.7 - Force, Motion, and Energy Curriculum Bundle | TEKS Science 6th Grade

Created by
TWFScience

This RESOURCE BUNDLE is for Texas grade 6 science teachers who are teaching S.6.7 - Force, Matter, and Energy - The student knows the nature of forces and their role in systems that experience stability or change according to the Texas Essential Knowledge and Skills (TEKS) Standards and want to prep

6th Grade Basic Principles, Physical Science, Physics

Does Being Cold Make You Sick? Reading | Viruses, Winter | 6th, 7th, 8th Grade

Created by
TWFScience

This grade 6–8 reading introduces students to the science behind colds and the flu, explaining why viruses—not cold weather—are responsible for making people sick. Students learn how illnesses spread, why people tend to get sick more often in winter, and how environmental conditions like cold, dry a

6th - 8th Basic Principles, Biology, General Science

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

Winter Solstice Reading | Why the Solstice Happens | 6th, 7th, 8th Grade

Created by
TWFScience

This grade 6–8 reading introduces students to the science of the winter solstice, explaining why it is the shortest day and longest night of the year and how Earth’s tilt causes seasonal changes. Students learn what happens during the winter solstice, when it occurs in each hemisphere, and why dayli

6th - 8th Basic Principles, Biology, General Science

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