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Three Domains and Four Kingdoms of LifeA branching tree showing the three domains (Bacteria, Archaea, Eukarya) diverging from a common ancestor, with Eukarya further branching into four kingdoms (Protista, Plantae, Fungi, Animalia), with Fungi and Animalia shown as sister groupsThe Tree of Life: Three DomainsLUCA (Last Universal Common Ancestor)BACTERIAProkaryotic, single-celledE. coli, cyanobacteriaARCHAEAProkaryotic, single-celledExtremophiles, methanogensEUKARYAEukaryotic (cells with nucleus)All multicellular life + protistsProtistaAmoeba, algaeMostly single-celledPlantaeTrees, fernsPhotosynthesisFungiMushroomsAnimaliaDogs, insectsSister groups!DomainKingdomMore specific ↑

Taxonomy of Living Things

Lesson Grade 8

Students learn the modern system of biological classification (taxonomy), master the eight-level hierarchy from domain to species, explore the three-domain system, and use the OneZoom Tree of Life Explorer to investigate evolutionary relationships and answer 20 exploration questions that deepen their understanding of how all living things are connected.

LS.8.3.1
Eukaryotic Cell: Shared Structures Cross-section of a generic eukaryotic cell showing the core structures shared by both plant and animal cells: a plasma membrane forming the outer boundary, a large round nucleus near the center containing a small dark nucleolus, ribosomes shown as small dots scattered in the cytoplasm and attached to the rough endoplasmic reticulum, a network of folded membranes labeled rough endoplasmic reticulum near the nucleus, smooth endoplasmic reticulum extending from the rough ER, a stack of flattened sacs labeled Golgi apparatus, several oval mitochondria with internal folds, small spheres labeled vesicles, and a network of thin lines representing the cytoskeleton. Plasma membrane nucleolus Nucleus Rough ER Smooth ER Golgi apparatus Mitochondrion Free ribosomes Vesicles Cytoplasm fills the space between organelles

Eukaryotic Cell Biology: Organelles, ATP, and Photosynthesis

Lesson Grade 6, 7, 8

Students take a guided tour of every major organelle in plant and animal (eukaryotic) cells, then dig into the two energy processes that keep all life running: cellular respiration (which breaks down glucose to make ATP in the mitochondria) and photosynthesis (which uses sunlight to build glucose in the chloroplasts of plant cells). Reference infographics for both cell types are included as study aids. Designed for grades 6-8 with scaffolded vocabulary and frequent Check Your Understanding stops.

LS.6.1.1 LS.7.1.1 LS.7.1.2 +1 more
Evidence Levels: Ten Technologies MappedA four-column chart organizing ten technologies by their current evidence level, from Demonstrated through Active Testing, Advanced Research, and Early Research or Speculative.Evidence Levels: Where Do These Technologies Really Stand?DEMONSTRATEDACTIVE TESTINGADV. RESEARCHEARLY / SPECULATIVEArtemis IICrew flew around Moon252,756 mi from EarthSplashdown: Apr 10, 2026Brain-ComputerInterfaces12 patients implantedCursor, typing, gamingFusion EnergySPARC magnets installingFirst plasma: 2026 goalNet gain (Q>1): 2027 goalAI as ResearchPartnerBiomedical models activeDrug discovery underwayNanotechnologyMaterials deployed;assembly not yet3D BioprintingOrganoids printed;full organs not yetSynthetic BiologyGene editing proven;ecosystem scale not yetRoom-TempSuperconductorsNot yet achievedQuantum InternetFirst steps only;infrastructure years awayAge ReversalEarly clinical trials;long-term effects unknownScientific literacy means being excited about possibilities AND honest about evidence levels.Wonder and skepticism are not opposites. They are partners.

The Great Technological Expansion: Breakthroughs, Evidence, and Imagination

Lesson Grade 8

A comprehensive 60-minute lesson for 8th grade students examining ten transformative technologies through the dual lenses of scientific evidence and creative speculation. Students learn to distinguish between demonstrated achievements, active research, and aspirational visions while connecting each technology to the underlying physics, biology, and chemistry. Designed to inspire wonder while building critical scientific literacy.

PS.8.1 ESS.8.4 8.L.2 +1 more
Conductors vs. InsulatorsComparison showing conductor and insulator materials with a cross-section of a wire demonstrating both.Conductors vs. InsulatorsCONDUCTORSEnergy flows through easilyCopper (wires)Aluminum (pans)Iron (nails)Gold (jewelry)Most metals conduct heat AND electricity wellINSULATORSEnergy flow is resistedRubber (gloves)Wood (spoons)Plastic (cups)Air (jackets)Insulators resist heat AND electricity flowReal-World Example: Electrical Wire Cross-SectionCopper core (CONDUCTOR) inside rubber coating (INSULATOR)

Conductors, Insulators, and Electrical Circuits

Lesson Grade 5, 6

Students classify materials as thermal and electrical conductors or insulators based on evidence. They investigate how electrical energy flows through circuits, identify the components of a simple circuit, and compare complete and incomplete circuits.

PS.6.2 PS.6.2.3 PS.6.2.4 +1 more
Lytic Cycle vs. Lysogenic CycleTwo-pathway comparison of aggressive lytic replication and stealth lysogenic replication of viruses.Viral Replication: Lytic vs. Lysogenic CycleStep 1: Virus attaches to host cellHost CellLYTIC CYCLELYSOGENIC CYCLE2. Virus injects DNATakes over cell machinery immediately3. Cell makes new virus partsHost cell forced to copy viral DNA and proteins4. New viruses assemble inside cellHundreds of copies built from host resources5. LYSIS: Cell bursts!Host cell destroyed; new viruses releasedto infect more cellsFast and destructive2. Viral DNA integrates into host DNABecomes part of the cell's chromosome3. Cell divides normallyViral DNA copied along with host DNA each division4. Virus stays hidden (dormant)Can remain dormant for months or years5. TRIGGER activates virusStress, UV light, or immune weaknesscauses switch to LYTIC CYCLESwitch!Slow and hiddenExamples: Flu uses lytic | HIV and herpes use lysogenic (with later lytic activation)

Viruses and Bacteria: A Closer Look

Lesson Grade 8

Students examine viral replication through the lytic and lysogenic cycles, explore bacterial structure and reproduction via binary fission, distinguish between helpful and harmful bacteria, and investigate the growing crisis of antibiotic resistance.

LS.8.1 LS.8.1.1
Three Methods of Heat TransferThree panels showing conduction through a metal rod, convection in a pot of water, and radiation from the sun through space.Three Methods of Heat TransferCONDUCTIONDirect particle-to-particle contactHOTCOOLMetal RodParticles collide and pass energy alongRequires direct contactbetween particlesCONVECTIONMovement of heated fluidwarm risescool sinksConvection CurrentRequires a fluid(liquid or gas)RADIATIONElectromagnetic wavesSUNEarthEmpty space(no medium needed)Travels through vacuum;no contact required

Energy Transfer: Conduction, Convection, and Radiation

Lesson Grade 5, 6

Students investigate the three mechanisms of thermal energy transfer: conduction (particle-to-particle contact), convection (movement of heated fluid), and radiation (electromagnetic waves). Students compare the direction and behavior of each type and connect them to real-world phenomena.

PS.5.1.3 PS.6.2 PS.6.2.1 +1 more
Particle Motion and TemperatureThree panels showing how particles move faster and spread apart as thermal energy increases.Particle Motion and TemperatureCOLD (Solid)Particles vibrate in placeLow thermal energyWARM (Liquid)Particles slide past each otherMedium thermal energyHOT (Gas)Particles fly freelyHigh thermal energyIncreasing Thermal Energy →

Forms of Energy Deep Dive

Lesson Grade 5, 6

Students investigate the six major forms of energy in depth: thermal, light, sound, electrical, chemical, and mechanical. For each form, students examine what causes it, how it behaves, real-world examples, and how it connects to other forms through energy transformations.

PS.5.1 PS.6.2
Energy Unit Concept MapComplete concept map linking all unit topics: forms, transfer methods, materials, and conservation law.Energy Unit: Concept MapENERGYKinetic EnergyPotential EnergyThermalSoundMechanicalChemicalGravitationalElasticEnergy Transfers By...Conduction(particle contact)Convection(fluid movement)Radiation(electromagnetic waves)Materials Affect Transfer...Conductors (allow flow)Insulators (resist flow)Law of Conservation: Energy cannot be created or destroyed

Energy Unit Review and Assessment

Lesson Grade 5, 6

Students solidify their understanding of the law of conservation of energy, review all major concepts from the week (forms of energy, kinetic vs. potential, energy transfer methods, conductors/insulators, circuits), and complete a comprehensive unit assessment.

PS.5.1 PS.5.1.3 PS.5.2 +6 more
How a Tokamak Fusion Reactor WorksSimplified cross-section of a tokamak showing magnets, plasma confinement, and the fusion process.Inside a Tokamak Fusion ReactorMAGNETS-253 °CPLASMA100M+ °Cmagneticfield linesH nuclei fusingplasma flowFuel: Hydrogen from seawaterProduct: Helium + EnergyNo carbon emissions. No long-lived radioactive waste.

Science Powering Tomorrow: The Great Technological Expansion

Lesson Grade 7

An inspirational single-day lesson for 7th grade students exploring seven transformative technologies through the lens of the scientific principles behind them. Covers fusion energy, space exploration, brain-computer interfaces, nanotechnology, bioprinting, superconductors, and quantum communication. Designed to build wonder while connecting breakthroughs to classroom science.

PS.7.1 PS.7.2 LS.7.1
Kinetic Energy vs. Potential EnergySplit comparison of kinetic and potential energy with everyday examples.Kinetic Energy vs. Potential EnergyKINETIC ENERGYEnergy of MotionMoving ballRunning personFlowing waterMore speed = more kinetic energyPOTENTIAL ENERGYStored EnergyBall on hilltop(gravitational PE)Battery(chemical PE)Stretched band(elastic PE)Higher position or more stretch = more PE

Energy: Introduction and Overview

Lesson Grade 5, 6

Students are introduced to the concept of energy as the ability to do work or cause change. They explore the major forms of energy, distinguish between kinetic and potential energy, and examine how energy is present in everyday situations. This lesson sets the foundation for the entire unit.

PS.5.1 PS.5.2 PS.6.2
Five Technologies Shaping Your FutureA radial diagram showing five breakthrough technologies arranged around a central hub, connected by lines.YOURFUTURE🚀SPACEArtemis & SpaceENERGYFusion Energy🧠BRAIN-TECHBrain-ComputerInterfaces🫀BIO-PRINT3D Bioprinting🧬SYNTH-BIOSynthetic Biology

The Amazing Future: Technology That Will Change Your World

Lesson Grade 6

An inspirational single-day lesson introducing 6th grade students to five transformative technologies: space exploration, fusion energy, brain-computer interfaces, 3D bioprinting, and synthetic biology. Designed to spark wonder and energize students for continued science learning.

PS.6.2 LS.6.1 6.ESS.3
The Two Types of Sweat Glands Cross-section comparing eccrine glands (small, all over body, watery sweat) with apocrine glands (larger, in armpits and groin, protein-rich sweat that bacteria break down into smelly compounds). Two Kinds of Sweat Glands, Two Different Stories Eccrine Glands 2 to 4 million across the body thin tube opens to skin skin surface Sweat is mostly: water + salt + a tiny bit of urea Apocrine Glands armpits, groin, scalp bigger, opens into hair follicles skin surface Sweat contains: proteins + fats + sugars (bacteria food)

The Science of Personal Hygiene

Lesson Grade 6, 7, 8

An in-depth, science-grounded lesson for middle school students on the biology and chemistry behind hygiene. Covers the skin microbiome, sweat gland physiology, the chemistry of soap, dental biofilm formation, hand hygiene epidemiology, foot care, indoor air quality, and laundry science. Includes real research data, plenty of humor, and a non-judgmental introduction to classroom care closet resources.

6.PCH.1 7.PCH.1 8.PCH.1 +2 more
The Two Types of Sweat Glands Cross-section comparing eccrine glands (small, all over body, watery sweat) with apocrine glands (larger, in armpits and groin, protein-rich sweat that bacteria break down into smelly compounds). Two Kinds of Sweat Glands, Two Different Stories Eccrine Glands 2 to 4 million across the body thin tube opens to skin skin surface Sweat is mostly: water + salt + a tiny bit of urea Apocrine Glands armpits, groin, scalp bigger, opens into hair follicles skin surface Sweat contains: proteins + fats + sugars (bacteria food)

The Science of Personal Hygiene

Lesson Grade 6, 7, 8

A focused, science-grounded lesson for middle school students on what hygiene actually does at the cellular and microbial level. Covers the skin microbiome, sweat gland biology, oral bacteria, hand hygiene, and foot care, with real numbers and a healthy dose of humor. Includes a non-judgmental introduction to classroom care closet resources.

6.PCH.1 7.PCH.1 8.PCH.1 +1 more

Energy Unit Assessment

Lesson Grade 6, 7

Summative multiple choice assessment for the Grades 6 & 7 Energy unit. Covers the definition of energy and the joule, kinetic and potential energy, the law of conservation of energy, common forms of energy (thermal, light, sound, electrical, chemical, mechanical), energy transformations, the three methods of heat transfer (conduction, convection, radiation), the effect of thermal energy on particles, conductors and insulators, and the parts and behavior of simple electrical circuits. Aligned to NC DPI Essential Standards 6.P.1.2, 6.P.2.2, 6.P.3.1, 6.P.3.2, 6.P.3.3, 7.P.2.1, 7.P.2.2, and 7.P.2.3.

PS.6.3 PS.6.3.2 PS.6.1 +9 more

Disease Agents Unit Assessment

Lesson Grade 8

Summative multiple choice assessment for the 8th grade Disease Agents unit. Covers the four major categories of pathogens (viruses, bacteria, fungi, parasites), their structures, how they reproduce and spread, treatment with antibiotics and antivirals, antibiotic resistance as an example of natural selection, biotechnology applications such as synthetic insulin production, vaccines and prevention, and the distinction between an epidemic and a pandemic. Aligned to NC DPI 8th grade Essential Standards 8.L.1.1, 8.L.1.2, 8.L.2.1, and 8.L.4.2.

LS.8.1 LS.8.1.1 LS.8.1.2 +4 more
Biotic vs. Abiotic FactorsTwo-column comparison: Biotic (living) factors on the left include plants, animals, fungi, and bacteria. Abiotic (nonliving) factors on the right include sunlight, water, soil and minerals, and temperature.Biotic (Living)PlantsAnimalsFungiBacteriaAny living organismAbiotic (Nonliving)SunlightWaterSoil / MineralsTemperatureAny nonliving factor

S6 - Q4 - Unit 2 Introduction: Ecosystems

Lesson Grade 6

A 30-minute introduction to ecosystems for 6th grade. Students distinguish biotic and abiotic factors, trace energy flow through food chains and webs, and identify the major types of ecological relationships.

LS.6.2 LS.6.2.1 6.L.2.2 +1 more
Cellular Respiration: The Three Stages A horizontal flowchart of cellular respiration showing three connected boxes left to right. Stage 1 Glycolysis takes place in the cytoplasm, where one glucose molecule is split into two pyruvate molecules and produces two ATP. Stage 2 Krebs Cycle takes place in the mitochondrial matrix, where pyruvate is broken down further, producing two more ATP and releasing carbon dioxide. Stage 3 Electron Transport Chain takes place on the cristae of the inner mitochondrial membrane, using oxygen to produce about twenty-six ATP and releasing water. Below the boxes the overall equation is shown: glucose plus oxygen yields carbon dioxide plus water plus about thirty ATP. Cellular Respiration: 3 Stages 1. GLYCOLYSIS (in the cytoplasm) Glucose 2 Pyruvate + 2 ATP (no oxygen needed) 2. KREBS CYCLE (in mitochondrial matrix) Pyruvate broken down to CO₂ Releases CO₂ + 2 ATP (loads up NADH/FADH₂) 3. ELECTRON TRANSPORT CHAIN (on the cristae) O₂ accepts electrons → H₂O + ~26 ATP Releases H₂O (needs oxygen!) Overall Equation: C₆H₁₂O₆ + 6 O₂ → 6 CO₂ + 6 H₂O + energy (~30 ATP) glucose + oxygen → carbon dioxide + water + ATP

Eukaryotic Cell Biology — Study Guide

Lesson Grade 6, 7, 8

A focused review companion to the main Eukaryotic Cell Biology lesson. Use this study guide to refresh on the essentials: every major organelle in one place, the three stages of cellular respiration, the two stages of photosynthesis, and how the two energy processes work as partners. Includes self-quiz items and links back to the main lesson for deep dives.

LS.6.1.1 LS.7.1.1 LS.7.1.2 +1 more
Kinetic Energy vs. Potential EnergyTwo panels. Left: a ball at the top of a ramp representing high potential energy and low kinetic energy. Right: a ball at the bottom of the ramp moving fast, representing low potential energy and high kinetic energy. PE converts to KE as the ball descends.HIGH Potential EnergyheightBall at rest, high above groundHIGH Kinetic EnergyBall moving fast at ground levelPEtoKE

S7 - Q4 - Unit 2 Introduction: Energy

Lesson Grade 7

A 30-minute introduction to energy for 7th grade. Students define kinetic and potential energy, calculate mechanical energy, identify forms of energy, and explain how energy transforms from one form to another while the total amount remains constant.

PS.7.2.1 PS.7.2.2 7.P.2.3