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Volcanic Eruptions Quiz
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Volcanic eruptions remind us of Earth's primal power. How much do you know about these lava-scorched events?
How Geothermal Energy Works
science.howstuffworks.com/environmental/energy/geothermal-energy.htm
Geothermal energy is clean, abundant and renewable. Learn about geothermal energy, geothermal heat pumps and geothermal power plants.
Mexico's Giant Crystal Cave Is Beautiful But Deadly
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Massive gypsum crystals were discovered beneath Mexico's Sierra de Naica Mountain in very inhospitable environs — to humans anyway.
Lava Isn't the Only Dangerous Aspect of Volcanoes
science.howstuffworks.com/environmental/earth/geology/volcano-dangers-vog.htm
Ash flows, deadly gases and vog are just a few of the other reasons why we all need to respect volcanoes.
Can You Give Us the Definition of These A-Z Science Words?
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Perhaps language arts wasn't your strongest subject in school, or maybe you're just a bit of a nerd! If you like science, then test your knowledge of science words with this quiz!
Not Just Rocks: The Geology Quiz
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Geologists study the processes and substances that form Earth. Most of those processes happen over millions of years, but this quiz only takes a few minutes! Find out how rock solid your knowledge of geology is.
Everyday Science: Diamond Quiz
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A famous slogan claims that a diamond is forever. While these precious stones symbolize love and glamour for millions of couples, there's a lot about nature's most famous jewel you might not know.
The Ultimate Ocean and Marine Life Quiz
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Oceans cover most of the Earth's surface. They include a vast diversity of life, everything from plants to large mammals. Oceans represent a truly undiscovered world for most people. Take this quiz and learn more about ocean life.
Mt. Vesuvius: Eruptions, History, & Information
science.howstuffworks.com/nature/natural-disasters/mount-vesuvius.htm
Scientists predict that the next eruption of Mount Vesuvius will be violent. Find out what damage could be done if Mount Vesuvius erupts.
How Geysers Work
science.howstuffworks.com/environmental/earth/geophysics/geyser.htm
Geysers are explained in this article. Learn about geysers.