The Geothermal Power Mystery

The Science of Earth’s Heat Geothermal energy is possible because the Earth’s core is incredibly hot, and that heat is constantly transferred outward through the crust. Source of Heat: The Earth’s core is as hot as the sun’s surface (5,500°C),...

The Science of Suds

The Double Agent Molecule Soap is a chemical “double agent” with two distinct ends that allow it to tackle both oil and water. Water is polar (it has a slight charge), and oil/grease is non-polar (no charge) A soap molecule is special because it has two...

The Mystery of Rust

What is Rust? Rust isn’t just dirt; it’s a specific chemical reaction called oxidation. Rust is the common name for iron oxide (Fe₂O₃·nH₂O) Formation: It’s formed when iron (or alloys like steel that contain iron) reacts with oxygen in the presence...

Metabolism: Energy Game Plan

Metabolism Basics Metabolism is the set of chemical reactions that turn food into usable energy and the parts your body needs. Two sides: Catabolism breaks molecules to release energy; anabolism builds new molecules. ATP: Cells convert food energy into ATP, the...
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