Examlex
Newton's first law states that an object moving in a straight line at constant speed remains in motion.Why, then, do objects on Earth tend to slow to a stop when we stop acting on them? (For example, a moving car will slow down when the accelerator is not pressed)
Pyrite
A common, pale bronze to brass yellow, iron sulfide mineral, commonly called “fool’s gold.”
Element S
Refers to Sulfur, a chemical element with the symbol S and atomic number 16, known for its bright yellow crystals.
Rock-forming Minerals
Rock-forming minerals are minerals that make up the majority of Earth's crust and are the basic building blocks of rocks, including quartz, feldspar, and mica among others.
Silicates
Minerals that contain silicon-oxygen tetrahedra; the most common mineral group on Earth.
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