Earth Science Help and Reviews

Here you can find study materials for earth science help. Browse the links below to find the area of earth science you're looking for help with. Each study guide comes complete with explanations and practice problems to help you learn earth science.

Study Guides

showing 11 - 20 of 106
  • 11.

    Oceans Help

    Introduction to Oceans Since ancient times, the oceans have been a place of mystery and interest. These deep blue expanses have given us food, trade items, trade routes, adventure, and entertainment. They have separated us and brought us together. From surfers to ...

    Source: McGraw-Hill Professional
  • 12.

    Weathering and Topography Help

    Introduction to Weathering and Topography Nothing lasts forever. This applies to winning sports teams as well as rock; the stuff of the Earth. The keys are timing and environment. Athletes do great for years, but sooner or later, they experience an injury or age ...

    Source: McGraw-Hill Professional
  • 13.

    Earth's Formation Help

    Earth’s Formation In 1755, Immanuel Kant offered the idea that the solar system was formed from a rotating cloud of gas and thin dust. In the years since then this idea became known as the nebular hypothesis . The clouds that ...

    Source: McGraw-Hill Professional
  • 14.

    Planet Earth Practice Test

    If necessary, review: Planet Earth Help Earth's Formation Help ...

    Source: McGraw-Hill Professional
  • 15.

    Gravity, Biosphere, Atmosphere, Hydrosphere, and Lithosphere Help

    Gravity If the Earth is spinning, then what force keeps us and everything else in place? Gravity . In 1666, English scientist, Sir Isaac Newton (the guy who had an apple fall off a tree and land on his ...

    Source: McGraw-Hill Professional
  • 16.

    Earth's Crust Help

    Introduction to the Earth's Crust The Earth’s crust is the hard, outermost covering of the Earth. This is the layer exposed to weathering like wind, rain, freezing snow, hurricanes, tornadoes, earthquakes, meteor impacts, ...

    Source: McGraw-Hill Professional
  • 17.

    Earth's Mantle Help

    Earth's Mantle The mantle is the next layer down in the Earth’s crust. It is located just below the lithosphere. The mantle makes up 70% of the Earth’s mass. It is estimated to be about 2900km thick. The mantle is not the same all ...

    Source: McGraw-Hill Professional
  • 18.

    Earth's Core Help

    Introduction to the Earth's Core Found beneath the mantle is the very center of the Earth. It is made up mostly of iron with a smattering of nickel and other elements. Under extreme pressure, the core makes up about 30% of the total mass of ...

    Source: McGraw-Hill Professional
  • 19.

    Geological Time Practice Test

    If necessary, review: Geological Time Help Relative Time and Fossils Help ...

    Source: McGraw-Hill Professional
  • 20.

    Relative Time and Fossils Help

    Relative Time Geological time is studied by two different methods. The first is a hands-on inspection of the positioning of the different layers of the Earth. This is known as relative or chronostatic time measurements. ...

    Source: McGraw-Hill Professional
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