Rocks and the Rock Cycle
Rocks seem permanent, but over long stretches of time they slowly change from one type into another. This ongoing process is the rock cycle, and it centers on three types of rock. Knowing how each forms — and how they turn into one another — covers a reliable chunk of earth-science questions. Continue your preparation […]
Earth’s Layers and Plate Tectonics
The ground feels solid and still, but Earth is layered like an onion and its surface is slowly moving. Two ideas explain a lot of earth science: the layers of the Earth and plate tectonics. Together they account for mountains, earthquakes, and volcanoes. Continue your preparation Practice this skill in ASVAB General Science for Beginners […]
