A deep dive into the molecular machinery of CRISPR-Cas9, focusing on the structural biology of Cas9, guide RNA architecture, and the precision of genome editing.

A comprehensive practice set and reference guide for Python for and while loops, designed to prepare students for their upcoming test. Includes introductory, moderate, and challenging problems with a mix of debugging and code creation.

Students step into the role of cosmic engineers to master Newton's Law of Universal Gravitation. They will explore the inverse square law, perform complex calculations using scientific notation, and compare gravitational forces across the solar system.

A hands-on engineering lesson where students follow precise directions to fold a high-performance paper airplane while learning the four forces of flight.

A comprehensive introduction to the mole concept and molar mass, covering Avogadro's number and basic mass-to-mole conversions.

A comprehensive substitute teacher guide for March 12, 2026, including specific science worksheets for Physics and Chemistry periods.

A comprehensive assessment covering the biological complexities of viruses, animal organ systems, and plant tissue systems, designed to mirror the rigor of the STAAR Biology EOC.

A 60-minute follow-up lesson featuring a diagram-based worksheet and a guided research activity to solidify planetary knowledge.

A 60-minute introductory lesson focusing on the order of the planets and their basic characteristics through reading and interactive matching.

Students will learn to synthesize their business ideas into a concise, professional executive summary that captures the essence of their venture for potential investors or partners.

Students learn about the pH scale, use simulated data to identify the pH of common substances, and understand how indicators work.

A middle school lesson exploring natural selection through population dynamics and the impact of helpful and harmful adaptations on survival and reproduction, aligned with MA MS-LS4-4 and MS-LS4-6.

A final review of pH concepts followed by a summative assessment to measure student understanding of acids, bases, and indicators.

Students explore the color-changing properties of butterfly pea flower tea (often called peaberry tea in common parlance) to observe acid-base reactions and neutralization.

A hands-on laboratory session where students create a natural pH indicator from red cabbage and use it to test common household substances.

An introduction to the pH scale, exploring the properties of acids and bases and how to use the 0-14 scale to measure acidity and alkalinity.

An introductory exploration of series and parallel circuit configurations. Students use guided notes and "route-tracing" activities to understand how components affect total resistance, current flow, and potential difference across different network types.

A self-directed troubleshooting activity where students act as "circuit doctors" to diagnose and repair faulty electrical networks. This lesson applies Kirchhoff's laws and Ohm's Law to identify logical errors in circuit schematics and predict real-world consequences.

A lesson focused on identifying, assessing, and mitigating digital threats through real-world scenario analysis and core terminology mastery.

A comprehensive practice module for 10th-grade Commerce students, focusing on business foundations, trade services, and social responsibility.

A lesson exploring the connections between the planets of our solar system and the Greek and Roman deities they are named after, focusing on the physical characteristics that inspired their names.

A comprehensive chemistry midterm review covering chemical reactions, water properties, planetary science, and atomic structure based on the Spring 2026 exam.

A comprehensive review of introductory chemistry concepts, including atomic structure, periodic trends, bonding, and stoichiometry, designed to prepare students for a midterm examination.

A comprehensive vocabulary lesson focused on the terminology of evolutionary history, including definitions, application through examples, and assessment.

This lesson synthesizes core biological concepts including the mechanisms of inheritance, the flow of genetic information from DNA to protein, and the processes driving evolutionary change.

Une séquence complète sur l'identification des roches et leur interprétation géodynamique pour les classes de Première et Terminale Spécialité SVT. Comprend un guide pédagogique, un support visuel et des activités pratiques de minéralogie.

Examines ecological relationships, energy flow through trophic levels, and the cycling of matter within ecosystems.

Explores the functions and interactions of the 11 human body systems to maintain homeostasis.

Focuses on plant systems including transport, reproduction, and response mechanisms like tropisms.

A collaborative high school lesson focused on the logic and application of balancing equations, moving from everyday scenarios to complex environmental chemistry.

A deep dive into the mathematical language of chemistry, covering conversion factors, molar relationships, and stoichiometric calculations.

A comprehensive practice session focused on the Next Generation Science Standards (NGSS) Science and Engineering Practice of Analyzing and Interpreting Data across all science domains. Students will evaluate graphs, tables, and patterns to draw evidence-based conclusions.