Hi, I'm Ace. What would you like to learn?

8th Grade · Science · Open Global Science
Atmospheric and Oceanic Circulation Dynamics
Track 1 of 6 · 8 lessons
8 lessons
Model global winds, thermohaline circulation, and the interactions between ocean currents and air masses that drive severe weather.
- 1Differential Solar Heating and Pressure GradientsUp nextStart
- 2The Coriolis Effect and Global Wind BeltsPremiumNot started yet
- 3Building a Model of Global Atmospheric CirculationNot started yet
- 4Surface Ocean Currents and GyresNot started yet
- 5Thermohaline Circulation and the Global Conveyor BeltNot started yet
- 6Air Mass Characteristics and Frontal SystemsNot started yet
- 7Ocean Current and Air Mass Thermal InteractionsNot started yet
- 8Formation and Dynamics of Tropical CyclonesNot started yet
Biogeochemical Cycles, Watersheds, and Human Earth Impacts
Track 2 of 6 · 8 lessons
8 lessons
Investigate global carbon flows, watershed processes, soil erosion mechanisms, and anthropogenic impacts on water and climate.
Featured Diagrams
- 1Interactions Between Earth's SpheresUp nextStart
- 2Global Carbon Reservoirs and Flux PathwaysPremiumNot started yet
- 3Watershed Dynamics: Runoff, Infiltration, and River SystemsNot started yet
- 4Vegetation Cover and Soil Erosion ControlNot started yet
- 5Atmospheric Pollution Mechanisms: Smog and Acid RainNot started yet
- 6Human Impacts on Groundwater AquifersNot started yet
- 7Anthropogenic Stressors on Marine EcosystemsNot started yet
- 8Designing Sustainable Watershed and Carbon ManagementNot started yet
Cell Biology, Microscopy, and Enzyme Action
Track 3 of 6 · 6 lessons
6 lessons
Prepare and observe temporary slide mounts, model organelle functions, and investigate factors affecting enzyme-catalyzed reactions.
Featured Diagrams
- 1Preparing and Staining Temporary Microscope MountsUp nextStart
- 2Optical Microscopy: Magnification and Resolution CalculationsPremiumNot started yet
- 3Vacuoles, Lysosomes, and the Cell Wall in Plant and Animal CellsNot started yet
- 4Modeling Endomembrane and Metabolic OrganellesNot started yet
- 5Enzyme Structure, Active Sites, and the Induced Fit ModelNot started yet
- 6Factors Affecting Enzymatic Reaction Rates: An Experimental LabNot started yet
Chemical Reactions, Conservation of Mass, and Gas Generation
Track 4 of 6 · 7 lessons
7 lessons
Identify indicators of chemical change, write balanced chemical equations, and generate and test common gases.
Featured Diagrams
- 1Signs of a Chemical Reaction: Color Change, Gas, Precipitation, and HeatUp nextStart
- 2Using the Periodic Table to Identify Atoms in a FormulaPremiumNot started yet
- 3Modeling the Law of Conservation of Mass in Closed SystemsNot started yet
- 4Balancing Chemical Equations Using Particulate ModelsNot started yet
- 5Laboratory Preparation and Testing of Oxygen GasNot started yet
- 6Laboratory Preparation and Testing of Carbon Dioxide GasNot started yet
- 7Comparing Combustion and Thermal Decomposition ReactionsNot started yet
Classification and Separation of Matter
Track 5 of 6 · 7 lessons
7 lessons
Classify substances particulate-by-particulate and apply experimental techniques to separate mixtures and purify salts.
Featured Diagrams
- 1Comparing Heterogeneous Mixtures and Homogeneous SolutionsUp nextStart
- 2Distinguishing Elements and Compounds at the Particulate LevelPremiumNot started yet
- 3Interpreting Chemical Formulas for Pure SubstancesNot started yet
- 4Using Filters to Separate Sand from WaterNot started yet
- 5Separating Dissolved Solids Using Evaporation and CrystallizationNot started yet
- 6Purification of Crude Salt Through Filtration and RecrystallizationNot started yet
- 7Designing Separation Schemes for Complex MixturesNot started yet
Classification, Phylogeny, and Evolutionary Mechanisms
Track 6 of 6 · 5 lessons
5 lessons
Classify organisms using taxonomic keys, evaluate five/six-kingdom systems, and model natural and artificial selection over geological time.
Featured Diagrams
- 1Taxonomic Hierarchies and Dichotomous Classification KeysUp nextStart
- 2Kingdom Characteristics and Domain Classification CriteriaPremiumNot started yet
- 3Natural Selection and Differential Reproductive SuccessNot started yet
- 4Artificial Selection and Selective Breeding PracticesNot started yet
- 5Fossil Stratigraphy and Evolutionary Adaptations Over Deep TimeNot started yet