Volcano

Science / Geology / Volcano: A vent in Earth's surface through which molten rock and gases escape. The term also refers to deposits of ash and lava which accumulate around this vent.

Maar Volcano

Science / Geology / Maar Volcano: A volcanic crater without a cone, believed to have been formed by an explosive eruption of trapped gases. MORE

Stratovolcano

Science / Geology / Stratovolcano: A volcanic cone made up of alternating layers of lava flows and pyroclastics. Also known as a composite cone. MORE

Sulfur (S)

Science / Periodic Table of Elements / Sulfur (S): Atomic number: 16, Atomic mass: 32.06 g.mol -1, Electronegativity: 2.5, Density: 2.07 g.cm -3 at 20 °C, Melting point: 113 °C, Boiling point: 445 °C, Vanderwaals radius: 0.127 nm, Ionic radius: 0.1 MORE

Tsunami

Science / Geology / Tsunami: A large sea wave normally produced by sudden movement of the ocean floor caused by an earthquake or volcanic eruption. These waves can travel at high speeds across an ocean basin and cause great destr MORE

Geophysics

Science / Weather / Geophysics: The study of the physics or nature of the Earth and its environment. It deals with the composition and physical phenomena of the earth and its liquid and gaseous envelopes. Areas of studies include th MORE

Cadmium (Cd)

Science / Periodic Table of Elements / Cadmium (Cd): Atomic number: 48, Atomic mass: 112.4 g.mol -1, Electronegativity: 1.7, Density: 8.7 g.cm-3 at 20°C, Melting point: 321 °C, Boiling point: 767 °C, Vanderwaals radius: 0.154 nm, Ionic radius: 0.097 MORE

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