Ck12 Earth Science For Middle School Geoff Ruth Julie Sandeen Editors by Geoff Ruth, Julie Sandeen (editors) instant download after payment.

CK-12 Foundation's Earth Science for Middle School FlexBook covers the following chapters:
• What is Earth Science? — scientific method, branches of Earth Science.
• Studying Earth's Surface — landforms, map projections, computers/satellites.
• Earth's Minerals — formation, use, identification.
• Rocks — rock cycle, igneous, sedimentary, metamorphic.
• Earth's Energy — available nonrenewable/renewable resources.
• Plate Tectonics — Earth's interior, continental drift, seafloor spreading, plate tectonics.
• Earthquakes — causes/prediction, seismic waves, tsunami.
• Volcanoes — formation, magma, eruptions, landforms.
• Weathering and Formation of Soil — soil horizons, climate related soils.
• Erosion and Deposition — water, wind, gravity.
• Evidence About Earth's Past — fossilization, relative age dating/absolute age dating.
• Earth’s History — geologic time scale, development, evolution of life.
• Earth's Fresh Water — water cycle, types of fresh water.
• Earth's Oceans — formation, composition, waves, tides, seafloor, ocean life.
• Earth's Atmosphere — properties, significance, layers, energy transfer, air movement.
• Weather — factors, cloud types, air masses, storms, weather forecasting.
• Climate — Earth's surface, global climates, causes/impacts of change.
• Ecosystems and Human Populations — ecosystems, matter/energy flow, carbon cycle, human population growth.
• Human Actions and the Land — soil erosion, hazardous materials.
• Human Actions and Earth's Resources — renewable/nonrenewable resources, availability/conservation.
• Human Actions and Earth's Water — use, distribution, pollution, protection.
• Human Actions and the Atmosphere — air pollution, causes, effects, reduction.
• Observing and Exploring Space — electromagnetic radiation, telescopes, exploration.
• Earth, Moon, and Sun — properties/motions, tides/eclipses, solar activity.
• The Solar System — planets, formation, dwarf planets, meteors, asteroids, comets.
• Stars, Galaxies, and the Universe — constellations, light/energy, classification, evolution, groupings, galaxies, dark matter, dark energy, the Big Bang Theory.
• Earth Science Glossary.