This radiation belt around the earth was named after an American physicist. Who was the first person to reach the South Pole? The study of the earth's atmosphere, climates and weather is called this. This does not exist in a black hole. Scientists use this letter to designate the planet that may be beyond Pluto in our solar system. What metal is alloyed with copper to form bronze? Something that is “nonferrous” doesn't contain this metal. This liquid aids in absorption, digestion, and regulation of body temperature. Scientists refer to this as a “reflected sound wave.” What was the American code name for the development of the atom bomb? What is gauged by measuring the amount of radioactive fluorine left in fossils? This is the dirtiest skin surface on the average human. Which sea has the highest sea salt content? Obsidian is a natural glass formed by rapidly cooling lava and is usually this color. A light shade of this color is used in most hospital recovery rooms because it is more calming and reduces eye strain. In mathematics, what is the reciprocal of 5? A cubic mile of ordinary fog contains less than a __________ of water. What term is used to describe fertile land being 'rested' for a season? This element has the smallest atomic weight, is usually a gas on earth, and has several uses as a fuel. What is the proper name for a type of root that is actually a creeping, thickened stem that lies partially underground? What insect is the vector for dog heartworm? According to the following pattern, what number should be next? 1, 2, 4, 8, 16, 32 This environmental term means that a material is able to decompose or be broken down by the earth's natural elements.

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