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CK-12 Earth Science For Middle School

Difficulty Level: At Grade Created by: CK-12
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Table of Contents

  • 1.

    What is Earth Science?

    This chapter covers the scientific method and the various branches of Earth Science.

  • 2.

    Studying Earth’s Surface

    This chapter informs students about different types of landforms on Earth, map projections, and the use of computers and satellites to study and understand Earth's surface.

  • 3.

    Earth's Minerals

    This chapter covers types of minerals and how they form, how to identify minerals using their physical properties as well as the various ways minerals form and are used as resources.

  • 4.


    This chapter discusses the rock cycle and each of the three major types of rocks that form on Earth. Separate sections cover igneous, sedimentary, and metamorphic rocks individually.

  • 5.

    Earth’s Energy

    This chapter discusses available non-renewable and renewable resources, including resources such as fossil fuels, nuclear energy and solar, wind and water power.

  • 6.

    Plate Tectonics

    This chapter covers properties of Earth's interior, continental drift, seafloor spreading, theories of plate tectonic movement, plate boundaries, and landforms.

  • 7.


    The chapter begins with discussion of stresses on rocks and mountain building. Understanding the causes of earthquakes, seismic waves, tsunami and ways to predict earthquakes are followed by information about staying safe during an earthquake.

  • 8.


    The chapter considers how and where volcanoes form, types of magma and consequent types of eruptions, as well as different volcanic landforms associated with each.

  • 9.

    Weathering and Formation of Soil

    This chapter begins with a discussion of mechanical and chemical weathering of rock. These concepts are applied to the formation of soil, soil horizons, and different climates related soils.

  • 10.

    Erosion and Deposition

    Erosion and Deposition considers how these processes shape Earth's surface through the actions of rivers, streams, groundwater, wind, waves, glaciers, and gravity.

  • 11.

    Evidence About Earth’s Past

    This chapter discusses different modes of fossilization, correlation of rock units using relative age dating methods, and absolute age dating of rocks.

  • 12.

    Earth’s History

    This chapter discusses the geologic time scale, the development of Earth from early in its history through today, and the evolution of life on Earth.

  • 13.

    Earth’s Fresh Water

    This chapter considers the water cycle and develops student understanding of our lakes, rivers, streams, and groundwater.

  • 14.

    Earth’s Oceans

    This chapter discusses how Earth's oceans were formed, the composition of ocean water, as well as the action of waves and tides. Discussion continues with descriptions of the various areas of the seafloor and types of ocean life.

  • 15.

    Earth’s Atmosphere

    This chapter covers the properties, significance, and layers of the Earth’s atmosphere, how energy transfers within our atmosphere, and movement of air throughout our atmosphere and over the Earth’s surface.

  • 16.


    This chapter considers various factors of weather, cloud types, movement of air masses, and the development of different types of storms. Discussion concludes with weather forecasting using various tools, maps, and models.

  • 17.


    The chapter considers how the different factors of Earth's dynamic surface affect climate, the different climates found worldwide, and the causes and impacts of climate change.

  • 18.

    Ecosystems and Human Populations

    This chapter considers the role of ecosystems, including how matter and energy flow through ecosystems, the carbon cycle and how our human population growth affects our global ecosystem.

  • 19.

    Human Actions and the Land

    This chapter discusses causes and prevention of soil erosion, as well as ways that humans have polluted our land surface with hazardous materials, and what can be done to prevent this type of pollution.

  • 20.

    Human Actions and Earth’s Resources

    This chapter considers human use of renewable and non-renewable resources, availability and conservation of resources, as well as ways to conserve energy and use energy more efficiently.

  • 21.

    Human Actions and Earth’s Water

    This chapter discusses many ways that water is used, the distribution of water on Earth, as well as types and sources of water pollution, and ways to protect our precious water supplies.

  • 22.

    Human Actions and the Atmosphere

    This chapter discusses types of air pollution and their causes, the effects of air pollution, and ways to reduce air pollution.

  • 23.

    Observing and Exploring Space

    This chapter begins with a discussion of electromagnetic radiation, types of telescopes, and ways of gathering information from our universe. Information about recent and current space exploration concludes this chapter.

  • 24.

    Earth, Moon, and Sun

    This chapter discusses the basic properties and motions of the Earth, Moon, and Sun, including information about tides and eclipses. Discussion includes information about the Sun's layers and solar activity.

  • 25.

    The Solar System

    This chapter covers the motion of the planets, formation of our solar system, plus characteristics and properties of the inner and outer planets, as well as dwarf planets, meteors, asteroids, and comets.

  • 26.

    Stars, Galaxies, and the Universe

    This chapter covers constellations, how stars produce light and energy, classification of stars, and stellar evolution. Groupings of stars, types of galaxies, dark matter, dark energy, and the Big Bang Theory are also included.

  • 27.

    Earth Science Glossary

    MS Earth Science glossary.

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Date Created:
Feb 23, 2012
Last Modified:
Aug 02, 2016
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