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Public learning track
Cell Structure, Prokaryotes, and Membrane Transport
7th Grade · Track 205 of 447 · 8 lessons
8 lessons
Goal
Model cellular architecture, differentiate prokaryotic and eukaryotic cells, and investigate passive and active membrane transport processes.
Featured Diagrams
Vacuoles, Lysosomes, and the Cell Wall in Plant and Animal Cells
Public learning track
Earth-Sun-Moon Cyclic Systems and Gravitational Phenomena
7th Grade · Track 206 of 447 · 7 lessons
7 lessons
Goal
Model and explain diurnal cycles, seasonal changes, lunar phase progression, eclipses, and ocean tides through orbital geometry and gravitational interactions.
Featured Diagrams
What Causes Day, Night, and Years
Public learning track
Matter, Density, and Kinetic-Molecular Theory
7th Grade · Track 207 of 447 · 8 lessons
8 lessons
Goal
Explain states of matter, thermal expansion, diffusion, and Brownian motion using particle models, and calculate mass, volume, and density.
Featured Diagrams
How Particles Behave in Solids, Liquids, and Gases
Public learning track
Scientific Inquiry, Questions, Hypotheses, and Laws
7th Grade · Track 208 of 447 · 5 lessons
5 lessons
Goal
Formulate testable scientific questions and engineering problems while distinguishing hypotheses, theories, and scientific laws.
Featured Diagrams
Developing Mechanistic Hypotheses from Scientific Models
Public learning track
Experimental Design, Variables, and Laboratory Safety
7th Grade · Track 209 of 447 · 5 lessons
5 lessons
Goal
Plan and conduct controlled, comparative, and descriptive investigations adhering to rigorous laboratory safety practices.
Featured Diagrams
Identifying Variables: Independent, Dependent, and Controlled
Public learning track
Levels of Organization and Cellular Division
7th Grade · Track 210 of 447 · 7 lessons
7 lessons
Goal
Analyze the hierarchical structure of multicellular organisms and compare mitotic and meiotic cellular division.
Featured Diagrams
From Tissues to Organs and Organ Systems
Public learning track
Pure Substances, Mixtures, and the Periodic Table
7th Grade · Track 211 of 447 · 7 lessons
7 lessons
Goal
Classify matter into elements, compounds, and mixtures, use chemical formulas, and apply periodic trends to predict reactivity.
Public learning track
Solar System Architecture, Orbital Mechanics, and Kepler's Laws
7th Grade · Track 212 of 447 · 7 lessons
7 lessons
Goal
Examine the physical properties of Solar System bodies and apply gravitational laws and Keplerian mechanics to explain orbital dynamics.
Featured Diagrams
Characteristics of the Terrestrial Planets
Public learning track
Biological Classification, Taxonomy, and Phylogenetics
7th Grade · Track 213 of 447 · 6 lessons
6 lessons
Goal
Classify living organisms using Linnaean taxonomy, dichotomous identification keys, and phylogenetic branching trees.
Public learning track
Earth's Habitability and Origins of the Universe and Life
7th Grade · Track 214 of 447 · 5 lessons
5 lessons
Goal
Analyze the astrophysical and geochemical factors that make Earth capable of supporting life and evaluate scientific models for the origins of the cosmos and biosphere.
Featured Diagrams
Earth's Position, Water, and Atmosphere for Life