PreciousMindsets Co.
13 Followers
Florida, United States
About the store
đResearch Chemist âą Science Educator âą Multilingual Creator
**Inquiry-Based Science Labs & Scientific Thinking for Middle School**
Welcome to **PreciousMindsets Co.**, a teacher-created store specializing in **hands-on, inquiry-based science labs and investigations** for grades **6â9**.
My resources are designed to help students **do science**ânot just learn about it. Each activity emphasizes:
* evidence and observation
* data collection and analysis
* scientific reasoning and clear thinking
* real classroom implementation
Youâll find **ready-to-use science labs, design challenges, and investigations** that support the **Nature of Science**, physical science, chemistry, and core scientific skills. These resources are practical, concept-driven, and adaptable across state standards, making them easy to use in diverse classrooms nationwide.
In addition to my core science offerings, the store also includes **inquiry-aligned biology and earth science resources**, as well as a small collection of **literacy and identity-focused materials** that reflect my broader educational values.
All resources are created by a **research chemist and experienced science educator**, with a focus on clarity, rigor, and meaningful student engagement.
Thank you for supporting thoughtful science teaching.
Thank you for visiting PreciousMindsets Co. â where learning is multilingual, meaningful, and beautifully designed.
Read moreAll resources
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Grade
Subject
Format
Resource type
Standard
Language
Supports
Observation vs. Inference & Prediction â Inquiry Investigation
Observation vs. Inference & Prediction â Inquiry Investigation Grades 6â9 | Visual Analysis | CER-Aligned đ§ This Observation vs. Inference & Prediction Inquiry Investigation uses a realistic science scenario to help students clearly distinguish between what they see, what they think, and what may happen next. Students analyze a visual phenomenon and develop evidence-based explanations, strengthening their ability to separate observation from interpretationâan essential scientific skill.
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
WHST.6-8.1
, WHST.6-8.1b
, WHST.9-10.1a
 +2
A Scientific Method Inquiry Investigation | Hands-On | CER Aligned
đ A Scientific Method Inquiry Investigation Grades 6â9 | Hands-On | CER-Aligned | Mini-Unit This structured Scientific Method Inquiry Investigation guides students through the full process of scientific thinkingâfrom observation to evidence-based explanationâusing a clear, student-centered format. đ§ Students design and carry out their own investigation while developing skills in experimental design, data analysis, and scientific reasoning (CER). What Students DoObserve a phenomenonDe
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, RST.6-8.3
, HS-ETS1-2
 +1
Mixed Numbers & Improper Fractions |Interactive | Activities |Measurements
Mixed Numbers & Improper Fractions |Interactive | Activities |MeasurementSupport student understanding of fractions greater than 1 with this clean, structured interactive notebook activity. Students learn to convert between mixed numbers and improper fractions using foldables, guided examples, and targeted practice. This resource is designed for clarity and ease of use, making it ideal for math notebooks, small group instruction, or review lessons. Whatâs Included2 Interactive Activities
4th - 6th
Basic Principles, Fractions, General Science
CCSS, NGSS
5.NF.A.1
, 5.NF.B.3
, MP1
 +1
Scientific Thinking Investigation (NOS) |Observation âą Evidence âą Reasoning
Scientific Thinking Investigation Mini-UnitNature of Science Activities |Observation âą Evidence âą Scientific ReasoningHelp students understand how science works through an engaging investigation mini-unit focused on scientific thinking and reasoning. This resource introduces students to three foundational Nature of Science concepts that scientists rely on when evaluating evidence and explanations. Students explore: âą Observation vs. Inference âą Repetition vs. Replication âą Scientific Reasoni
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, RST.6-8.7
, RST.9-10.1
 +2
What is Life? | Lab: Is Sammy Alive?|Using Evidence, Criteria, & Reasoning
Is Sammy Alive? What is Life?đDefining Life Using Evidence, Criteria, and ReasoningGrades 7â9 | Life Science / Nature of Science Inquiry LabWhat does it mean for something to be alive?In this inquiry-based lab, students analyze a series of scenarios involving a character named Sammy and determine whether Sammy can be considered alive at each stage. Rather than relying on opinions or intuition, students must use scientific criteria, evidence, and reasoning to justify their conclusions. This la
7th - 9th
Anatomy, Basic Principles, Biology
CCSS, NGSS
RST.6-8.3
, WHST.6-8.1b
, HS-ETS1-2
 +1
Day and Night| Earth's Motion| A Phenomenon-Based Investigation
đ Many students can say âday is bright and night is darkâ â but struggle to explain why day and night happen. This phenomenon-based Earth science investigation helps students observe, model, and explain the dayânight cycle using evidence and reasoning, not memorization. đ§ Day & Night â A Phenomenon-Based Earth Science InvestigationHelping Students Explain Why Day and Night HappenGrades 3â6 | Earth & Space Science | Phenomenon-Based Learning Students are guided to discover that: different
3rd - 6th
Basic Principles, Earth Sciences, General Science
CCSS, NGSS
W.5.1b
, RST.6-8.1
, 5-ESS1-2
Scientific Notation Mastery |Meaning Before Mechanics |Calculations| 2-parts
đ§ Students often learn scientific notation as a math trickâwithout understanding why it exists or when scientists need it. This two-part mastery resource changes that. Students first explore scientific notation as a language of science, then practice clear, step-by-step application in real scientific contexts. The focus is on reasoning, meaning, and correct use, not rote calculation. đ§ Scientific Notation Mastery â Meaning Before MechanicsTwo-Part Resource: Why Scientists Use It + How to
7th - 10th
Basic Principles, Chemistry, Physical Science
CCSS, NGSS
8.EE.A.3
, HS-ETS1-2
, MS-ETS1-3
Buoyancy Challenge Lab â Aluminum Foil Boat Design (Grades 6â9)
đ§Ș This lab follows a clear learning arc: Practice â Inquiry â Mastery, helping students build understanding through investigation and reflection. A design-based investigation that goes beyond âtrial and errorâ to focus on scientific thinking, evidence, and explanation. In this Buoyancy Challenge Lab, students design and build an aluminum foil boat, then test how many coins it can hold before sinking. With clear constraints and guided reasoning, students learn that design choicesânot luckâa
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.3
, WHST.9-10.1a
, MS-ETS1-2
 +1
Significant Figures: Precision & Accuracy |Scientific Measurement| _EN
đŹ Teach Precision, Not Just Rules.This lesson + worksheet helps students understand why significant figures matter in science, not just how to count them. đ Instead of rote rules, students learn how significant figures communicate measurement precision, accuracy, and scientific honesty. Perfect for middle school physical science and introductory chemistry. đż Significant Figures: Precision & Scientific MeasurementLesson + Worksheet | Physical Science / Chemistry | Grades 7â10_ English on
7th - 10th
Basic Principles, Chemistry, Physical Science
CCSS, NGSS
RST.6-8.1
, WHST.9-10.1b
, MS-ETS1-2
 +1
Understanding the pH Scale| FREEBIE |Pre-Lab Lesson |(ENâES)
đ± A Simple, Powerful Introduction to pH (English & Spanish)This free bilingual (EnglishâSpanish) resource introduces students to the pH scale, helping them understand the difference between acids, bases, and neutral substances before completing a hands-on lab. Designed to be short, focused, and classroom-ready, this lesson builds confidence, vocabulary, and conceptual understanding, especially for ESL/ELL learners. đ FREEBIE â Understanding the pH Scale (ENâES)Pre-Lab Science Lesson | Gr
5th - 7th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, RST.6-8.4
, WHST.6-8.1
 +1
Investigating Invisible Ink âScientific Inquiry Lab
Investigating Invisible Ink đ§Ș In this hands-on NOS lab, students write a message that becomes invisible and then reappears. Through careful observation, prediction, and evidence-based reasoning, students learn that not everything studied in science is immediately visible, and that evidence helps scientists explain what is happening. Investigating Invisible Ink â Evidence & Scientific ExplanationConceptual Inquiry Lab (Grades 5â7)đ§ȘThis lab emphasizes scientific thinking over vocabulary an
5th - 7th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.2
, RST.6-8.3
, MS-ETS1-1
Scientific Reasoning vs Pseudoscience | Investigation |NOS| Bilingual Activity
đšA clear, student-friendly Nature of Science (NOS) mastery activity that helps students distinguish scientific reasoning from pseudoscience using vocabulary, claim analysis, reasoning tasks, and a short assessment. Perfect for middle school science and the first weeks of school. âš A sus estudiantes a desarrollar habilidades sĂłlidas de razonamiento cientĂfico con esta actividad de dominio sobre la Naturaleza de la Ciencia. Scientific Reasoning vs PseudoscienceNature of Science (NOS) â Maste
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.2
, WHST.6-8.1a
, MS-ETS1-1
Explorer les BiomolĂ©cules | Fiche Scientifique Bilingue | (FRâKREYĂL)
𧏠Aidez vos Ă©lĂšves Ă comprendre les quatre principales biomolĂ©cules grĂące Ă cette fiche scientifique claire, structurĂ©e et bilingue (FrançaisâKreyĂČl Ayisyen). đExplorer les BiomolĂ©cules â Les ĂlĂ©ments Constitutifs de la Vie | Fiche Scientifique Bilingue (FRâKREYĂL)Glucides âą Lipides âą ProtĂ©ines âą Acides nuclĂ©iques Niveaux 7â10 | Sciences de la Vie / Biologie đ§ŹCette ressource guide les apprenants Ă travers : les concepts essentiels,lâobservation visuelle,des tĂąches dâĂ©critu
7th - 10th
Basic Principles, Biology, General Science
CCSS, NGSS
RST.6-8.1
, WHST.9-10.1
, MS-ETS1-1
Exploring Biomolecules | The Building Blocks of Life | Assessment| Bilingual
đ§ŹHelp your students understand the four major biomoleculesâcarbohydrates, lipids, proteins, and nucleic acidsâwith this clear, student-friendly, bilingual (EnglishâSpanish) science worksheet. đThis resource guides learners through essential concepts, visual observation, structured writing tasks, guided inquiry, and a built-in Exit Ticket to check understanding. Perfect for Life Science, Biology, and multilingual classroomsđ Exploring Biomolecules â The Building Blocks of Life | Bili
7th - 10th
Basic Principles, Biology, General Science
CCSS, NGSS
CCRA.L.4
, RST.9-10.1
, WHST.6-8.1b
 +1
Law vs Theory â Nature of Science Activity | Worksheet| Investigation
đ A clean, focused mastery activity that helps students distinguish scientific laws from scientific theories using vocabulary matching, identification tasks, a mini-Venn diagram, student-created examples, and a teacher answer key. Perfect for quick checks, warm-ups, sub plans, or NGSS reinforcement. đ (PMCo Premium Edition)Law vs Theory â PMCo Mastery Activity (Grades 7â10)Help your students finally understand the difference between scientific laws and scientific theories with this clear,
7th - 10th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, RST.9-10.1
, WHST.6-8.1a
 +2
Ley vs TeorĂa | Distinguir entre Leyes CientĂficas y TeorĂas CientĂficas
đ Actividad clara y moderna que ayuda a los estudiantes a distinguir entre leyes cientĂficas y teorĂas cientĂficas mediante vocabulario, identificaciĂłn, mini diagrama de Venn, ejemplos creados por el estudiante y clave del maestro. Ideal para evaluaciones rĂĄpidas, calentamientos, sustitutos, o refuerzo NGSS. đ (PMCo Premium Edition)Ley vs TeorĂa â Actividad de Dominio PMCo (Grados 7â10)Ayude a sus estudiantes a comprender de verdad la diferencia entre leyes cientĂficas y teorĂas cientĂfica
7th - 10th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, WHST.6-8.1e
, HS-ETS1-2
 +1
Laws vs Theories | Worksheet Investigation| Activities | Assessment
đA clear, modern worksheet that teaches students the difference between scientific laws and theories through short readings, comparison charts, examples, hands-on activities, practice questions, a mini-quiz, and a teacher answer key. đScientific Laws vs Scientific Theories â PMCo Modern Worksheet (Grades 7â10)Help your students finally understand the difference between scientific laws and scientific theories with this clean, student-friendly PMCo worksheet. Through short readings, visual c
7th - 10th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, WHST.6-8.1e
, HS-ETS1-2
 +1
Proyecto del PĂłster de CientĂficos Famosos â (Grados 6â9)
đProyecto de pĂłster completamente en español donde los estudiantes investigan a un cientĂfico famoso, analizan estereotipos, organizan informaciĂłn y crean un pĂłster listo para presentar. Incluye cuaderno del estudiante, guĂa del maestro y rĂșbricas. Proyecto del PĂłster de CientĂficos Famosos â PMCo EdiciĂłn Completa (Grados 6â9)Este proyecto moderno y atractivo ayuda a los estudiantes a descubrir las historias reales detrĂĄs de los cientĂficos mĂĄs influyentes del mundo. Los alumnos investig
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.1
, WHST.6-8.1e
, WHST.6-8.2b
 +1
Modelos CientĂficos Hoja de Trabajo | Beneficios y Limitaciones (Grados 6-9)
Una hoja de trabajo clara, moderna y centrada en el estudiante que ayuda a los alumnos a comprender quĂ© son los modelos cientĂficos, por quĂ© son esenciales y cĂłmo los cientĂficos los usan para estudiar fenĂłmenos que no pueden observar directamente. Perfecta para clases de ciencias en middle school y totalmente alineada con los estĂĄndares NGSS. đŻ Resultados de AprendizajeDespuĂ©s de completar esta actividad, los estudiantes podrĂĄn: â Definir quĂ© es un modelo cientĂfico y explicar quĂ© represent
6th - 9th
Basic Principles, General Science, Physical Science
CCSS, NGSS
RST.6-8.4
, WHST.6-8.1e
, MS-ETS1-2
Energy & Matter in Ecosystems - Bilingual Science Worksheet (EN âą ES)
đEnergy & Matter in Ecosystems - Bilingual Science Worksheet (EN âą ES)Bilingual worksheet that explains energy flow and matter cycles through producers, consumers, and decomposers. Includes vocabulary, guided notes, practice, mini quiz, reflection, research & answer key. Help your students truly understand how energy flows and matter cycles through ecosystems with this clear, bilingual, middle school science worksheet (EN âą ES).This resource breaks down producers, consumers, and decomposers wi
5th - 8th
Basic Principles, Biology, Vocabulary
CCSS, NGSS
W.5.1b
, MP4
, MS-LS2-3
Showing 1-20 of 21 results
About the store
Experience
đResearch Chemist âą Science Educator âą Multilingual Creator
**Inquiry-Based Science Labs & Scientific Thinking for Middle School**
Welcome to **PreciousMindsets Co.**, a teacher-created store specializing in **hands-on, inquiry-based science labs and investigations** for grades **6â9**.
My resources are designed to help students **do science**ânot just learn about it. Each activity emphasizes:
* evidence and observation
* data collection and analysis
* scientific reasoning and clear thinking
* real classroom implementation
Youâll find **ready-to-use science labs, design challenges, and investigations** that support the **Nature of Science**, physical science, chemistry, and core scientific skills. These resources are practical, concept-driven, and adaptable across state standards, making them easy to use in diverse classrooms nationwide.
In addition to my core science offerings, the store also includes **inquiry-aligned biology and earth science resources**, as well as a small collection of **literacy and identity-focused materials** that reflect my broader educational values.
All resources are created by a **research chemist and experienced science educator**, with a focus on clarity, rigor, and meaningful student engagement.
Thank you for supporting thoughtful science teaching.
Thank you for visiting PreciousMindsets Co. â where learning is multilingual, meaningful, and beautifully designed.
Teaching style
đżTeaching Philosophy
My teaching style blends three strengths that have shaped my work as both a scientist and an educator:
đŹ Demonstrator & Coach
I model scientific thinking, demonstrate real-world problem-solving, and guide students through the processes used by actual scientists. My goal is to make science transparent, logical, and inspiring.
đ§Ș Facilitator of Hands-On Learning
Students learn best when they do. I design lessons that prioritize hands-on labs, structured investigations, and discovery-based activities. This keeps learning active, meaningful, and rooted in curiosity.
đ€ Developer of Collaboration & Reflection
I cultivate teamwork, thoughtful questioning, and reflective learning. Students are encouraged to communicate their ideas, analyze evidence, and build confidence in their own scientific reasoning.
Together, these approaches help students learn not only what to understand⊠but how to think like scientists.
My classroomâand the resources I createâare built on clarity, inquiry, inclusivity, and joyful exploration.
Awards & shining teacher moments
đ Awards & Teacher Highlights
âą Secondary Education Excellence Award
âą Recognized for innovative science instruction, cross-disciplinary teaching, and curriculum development
âą Hundreds of students inspired to pursue STEM fields
My own education history
đ Education & Professional Background
âą B.A. Chemistry / Mathematics
âą M.S.Ed. in Secondary Education & Physical Science
âą Former Research Chemist (analytical + applied science)
âą 25 years teaching Chemistry, Physical Science, and Earth Science (NY, TX, GA, FL)
đ My Why
Additional biographical information
đ My Why
I absolutely love teaching and learning.
Each day is an opportunity to explore, imagine, build, and grow. My passion is designing high-quality, multilingual lessons that make science accessibleâand beautifulâfor all learners.
đ What Youâll Find in My Store
âą Multilingual Science Lessons (English, Spanish, French, KreyĂČl)
âą Reading-rich STEM content for Grades 6â8
âą Inspiring Women Series (SEL + literacy + history)
âą Lab investigations, graphic organizers, and inquiry activities
âą High-quality bilingual resources for diverse classrooms
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