Study Guides
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1.
Planet Earth Help
Introduction to Planet Earth From space, our world looks like a brilliant blue marble. Sometimes called the “blue planet,” the Earth is over 70% water and is unique in our solar system. Clouds, fires, hurricanes, tornadoes, and other natural characters ...
Source: McGraw-Hill Professional -
2.
Geological Time Help
Introduction to Geological Time Have you ever thought much about time? Or how long it takes you to do things? How much time it takes to brush your teeth? How long it takes to bake a cake? What is the time difference between riding a bicycle to school instead of ...
Source: McGraw-Hill Professional -
3.
Earth's Inner Structure Help
Introduction to Earth's Inner Structure Ancient people thought the Earth was flat and had no idea of its inner workings. Over time, they mapped out surface features like continents and oceans, but they pretty much kept with what was always known.
Source: McGraw-Hill Professional -
4.
Plate Tectonics Help
Introduction to Plate Tectonics Have you ever looked out of the window of an airplane and seen the widely different shapes, colors, and textures of the land below? Depending on the plane’s height, the ground appears as an intricate ...
Source: McGraw-Hill Professional -
5.
Strata and Land Eras Help
Introduction to Strata and Land Eras Land eras are the broad ranges of time that geologists use to group different information. For example, if a geologist wants to talk about the time of the dinosaurs, the Jurassic ...
Source: McGraw-Hill Professional -
6.
Earth and Geology Practice Test
Earth and Geology Practice Test 1. Past locations of the magnetic poles and the Earth’s crustal movement can be found from (a) watching polar bears (b) the study of ...
Source: McGraw-Hill Professional -
7.
Igneous Rock Help
Introduction to Igneous Rock Unlike plants and animals, most rocks have long histories. They seem ancient and never changing because within our lifetimes, they don’t change much. A rock is a rock is a rock. Igneous rocks, ...
Source: McGraw-Hill Professional -
8.
Sedimentary Rock Help
Introduction to Sedimentary Rock At home, sediment is the leftover stuff that tends to build up, if it isn’t cleaned up. It is the bits of string, the sand tracked in from the beach, the dog/cat hair and dandruff, and the playground gravel. It is the stray ...
Source: McGraw-Hill Professional -
9.
Metamorphic Rock Help
Introduction Igneous rock is formed as a result of the Earth’s internal “engine,” while sedimentary rock formation depends on external climate and conditions. Metamorphic rock, however, takes place after these rock types have already formed. It ...
Source: McGraw-Hill Professional -
10.
Minerals and Gems Help
Introduction to Minerals and Gems When you hear the word minerals, what comes to mind? Do you picture a cereal box advertising extra vitamins and minerals? Do you think of miners spending years searching for a glimpse of a shiny nugget or a brilliant stripe across ...
Source: McGraw-Hill Professional
