A comprehensive introduction to cellular architecture for college-level biology, focusing on organelles, the endomembrane system, and metabolic pathways.

Students synthesize their knowledge to participate in a structured debate about the future of wildlife restoration.

Students analyze the differing viewpoints of ranchers, environmentalists, and local communities regarding predator reintroduction.

Students explore the scientific history of wolf reintroduction in Yellowstone and investigate the concept of trophic cascades and ecosystem engineering.

Explore how ecosystems respond to disturbances through primary and secondary succession, and analyze the relationship between biodiversity and ecosystem stability.

Students act as 'Marine Bio-Engineers' to design and build artificial reef structures that support a healthy ecosystem on Mystery Island's coast, focusing on biotic and abiotic interactions.

Students design and build 'Food Web Restoration' models to visualize and explain the flow of energy from producers to multiple consumers on Mystery Island.

Students design and build 'Weather Shields' to protect a model plant from extreme temperature and precipitation changes on Mystery Island, exploring how environmental factors affect organisms.

Students act as 'Botanical Engineers' to design and build seed models that can travel through the air to reach new parts of Mystery Island, focusing on seed dispersal methods.

Students design external structures for a 'Mystery Organism' to help it meet its basic needs (food, water, shelter) on Mystery Island, focusing on the link between structure and function.

Students investigate radioactive decay in rocks from Afar to determine their age, using mathematical modeling and simulations to reconstruct the region's geologic history.

A deep dive into the subatomic origins of plate tectonics, tracing the journey from unstable nuclei to the massive convection currents that move continents.

A comprehensive assessment lesson focusing on the specific events of prophase, metaphase, anaphase, telophase, and cytokinesis through detailed matching exercises.

This lesson explores advanced rotational dynamics, focusing on the application of Newton's Second Law for rotation to massive pulleys and rolling objects where static friction provides the necessary torque for rolling without slipping.

A comprehensive 60-minute lesson exploring the differences and mathematical relationships between translational and rotational kinetic energy, featuring guided reading, visual organizers, and problem-solving.

Explores the dynamics of rotation, comparing linear force to torque, applying Newton's Second Law in angular form, and mastering the conditions for static equilibrium.

A comprehensive look at the parallels between linear and angular motion, focusing on variable relationships, kinematic equations, and real-world rolling applications.

A foundational introduction to photosynthesis for adult learners, focusing on the big-picture process of how plants convert sunlight into energy and the vital role they play in our ecosystem.

An introductory lesson on photosynthesis designed for adult learners, focusing on the big picture of how plants create food and oxygen. It emphasizes real-world connections like food systems, air quality, and gardening.

A comprehensive 3rd-grade science lesson that transforms students into junior meteorologists, covering weather phenomena, measurement tools, and forecasting through hands-on observation and data analysis.

A detective-themed lesson where students become 'Change Detectives' to investigate physical and chemical changes through mystery scenarios and hands-on observations.

Esta lección profundiza en la diferencia fundamental entre atributos que pertenecen a la clase y aquellos que pertenecen a cada objeto individual en Python. A través de la analogía de una familia de perros y ejercicios prácticos de codificación, los estudiantes de secundaria superior aprenderán a modelar datos compartidos y únicos de manera eficiente.

A concise, 5-day science unit covering plant structures, life cycles, environmental needs, and soil types designed for 20-minute instructional blocks.

A vibrant introduction to weather patterns for Kindergarteners, focusing on observation and daily tracking. Students explore different types of weather through visual aids, movement, and a weekly weather journal.

An engaging science lesson for 2nd graders that explores the life cycles of plants, butterflies, and frogs. Students will observe, sequence, and describe the stages of growth and change in the natural world.

An introductory weather lesson for 1st graders focusing on observation, the water cycle, and basic forecasting through hands-on activities and visual learning.

An introductory science lesson for 1st graders focusing on weather patterns, the water cycle, and basic meteorological observation. Students explore different weather types and create their own weather tracking tools.

Synthesizing the relationship between photosynthesis and cellular respiration to understand global energy cycles and homeostasis.

Exploring how cells break down glucose to produce ATP, covering glycolysis, the Krebs cycle, and the electron transport chain.

An in-depth look at how plants transform light energy into chemical energy, focusing on chloroplast structure and the two main stages of photosynthesis.

A gamified review lesson focusing on Earth's four spheres and the water cycle. Students take on the role of agents to identify sphere interactions and track the movement of water through the Earth system.

A high-level exploration of equine veterinary medicine through complex case studies, focusing on diagnostic reasoning and clinical analysis for 11th-grade students.

A lesson exploring the environmental impact of AI data centers, requiring students to research local impacts, take an ethical stance, and visualize their decision-making process through a decision tree.

An introductory exploration of living things for 6th grade science. Students review cell theory, the difference between prokaryotic and eukaryotic cells, and how to classify organisms as autotrophs or heterotrophs.

A comprehensive review of the human body systems focusing on energy transformation and defense mechanisms. Students will practice identifying system functions, interactions, and sequential processes to prepare for their unit assessment.

A comprehensive lesson on advanced stoichiometry, focusing on limiting reactants and percent yield using scaffolded dimensional analysis grids.

En esta lección se profundiza en el uso de la palabra clave this en JavaScript como una referencia dinámica al elemento que recibe un evento. Los estudiantes aprenderán a manipular elementos del DOM sin necesidad de identificadores únicos, comparando su comportamiento en manejadores onclick y addEventListener para crear interfaces web más eficientes y escalables.

A specialized study support lesson for a veterinary assistant student, focusing on high-frequency terminology and Lesson 5.1 concepts (housing, sanitation, and nutrition) through dual coding, errorless learning, and visual anchor charts.

A comprehensive project-based assessment where students act as conservation agents to analyze threatened ecosystems, evaluate HIPPCO threats, and propose multi-layered solutions to preserve biodiversity.

A hands-on lesson where 2nd-grade students become 'Earth Architects' to build and compare models of mountains and hills. Students will explore the physical characteristics of these landforms through tactile construction and observation.

A K-2 lesson introducing students to the unique biodiversity of island ecosystems through storytelling and visual exploration, emphasizing species identification and environmental care.

An exploration of thermal pollution, its industrial and environmental causes, and its devastating effects on aquatic biodiversity and oxygen levels. Students analyze case studies to understand the real-world impact of temperature shifts in water systems.

A comprehensive sub plan focusing on hardware basics, cybersecurity, and the impact of computing through a hands-on 'Human Computer' unplugged simulation.

A comprehensive lesson exploring the sense of sight through a detailed reading passage and STAAR-aligned comprehension questions designed for second grade.

Discover the structure of watershed systems, the importance of the Chesapeake Bay, and how human activity impacts water quality.

Investigate the chemical nature of water through pH testing, exploring acidity, alkalinity, and how water's role as a solvent impacts life and the environment.

Explore the unique molecular properties of water, including cohesion, adhesion, and surface tension, through the 'Penny Power' lab and interactive demonstrations.

Una sesión práctica de 60 minutos que integra los fundamentos de la programación orientada a objetos en Python con la persistencia de datos mediante el manejo de archivos (File I/O).

An introductory overview of blockchain security vulnerabilities, focusing on the mechanics and consequences of a 51% attack on decentralized networks.

En esta lección, los estudiantes aprenderán a transformar aplicaciones estáticas en interfaces interactivas mediante el uso de TouchableHighlight y la actualización del estado (setState) en React Native dentro del entorno CodeHS.