Public learning track
Earth's Habitability and Origins of the Universe and Life
7th Grade · Science · Open Global Science
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
5 lessons
0 of 5 done
- 1Earth's Position, Water, and Atmosphere for LifeUp nextStart
- 2Earth's Magnetic Field: Shielding LifePremiumNot started yet
- 3Atmospheric Composition and UV ProtectionNot started yet
- 4Primordial Earth and Abiogenesis HypothesesNot started yet
- 5Cosmic Origins: From the Big Bang to GalaxiesNot started yet
Standards Covered
- OGS.8.ESS.3Open Global Science Standards 2026™ · Science · Level 8 / Grade 7 (Age 12) · Grade 7Analyze the astrophysical and geochemical characteristics of Earth that support life (habitable zone solar proximity, liquid water hydrosphere, atmospheric composition, magnetic field shielding), and evaluate theories on the origins of the universe and life.
- OGS.8.ESS.6Open Global Science Standards 2026™ · Science · Level 8 / Grade 7 (Age 12) · Grade 7Describe stellar life cycles, nucleosynthesis, and cosmological models including the Big Bang, expanding universe, supernovas, and black holes.
Curriculum Framework
7th Grade · Science · Open Global Science
1
7 lessons
Earth-Sun-Moon Cyclic Systems and Gravitational Phenomena
Model and explain diurnal cycles, seasonal changes, lunar phase progression, eclipses, and ocean tides through orbital geometry and gravitational interactions.
2
7 lessons
Solar System Architecture, Orbital Mechanics, and Kepler's Laws
Examine the physical properties of Solar System bodies and apply gravitational laws and Keplerian mechanics to explain orbital dynamics.
3
5 lessons
Earth's Habitability and Origins of the Universe and Life
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.
4
7 lessons
Plate Tectonics, Crustal Evolution, and Geological Hazards
Explain mantle convection, lithospheric plate boundaries, seafloor spreading, mountain orogeny, and seismological and volcanic hazards.
5
8 lessons
Natural Resources, Watershed Ecology, and Environmental Stewardship
Evaluate renewable and non-renewable energy resources, analyze watershed and soil nutrient dynamics, and assess strategies for waste and pollution mitigation.
6
7 lessons
Stellar Evolution, Nucleosynthesis, and Cosmology
Trace stellar life cycles across mass regimes, explain stellar nucleosynthesis, and analyze evidence supporting the Big Bang and cosmic expansion.