SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to create a model of the rock cycle and explore the three different categories of rock. Sedimentary rocks are ...
Test your rock & mineral smarts—are you a Rock Star? Think you know rocks and minerals? Take the Science Trek quiz! Test your smarts on gold, salt, Earth’s oldest rocks, gemstones on Mars, and the ...
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