Download e-book for kindle: Science Readers - Life Science: George Washington Carver: by Stephanie Macceca

By Stephanie Macceca

ISBN-10: 0743905903

ISBN-13: 9780743905909

George Washington Carver used to be born a slave, yet he grew to become a huge scientist and instructor. He experimented with soil and have become recognized for his paintings as a botanist. He used peanuts and different vegetation to make new items. earlier than Carver's study, vegetation have been merely used for nutrients and garments. His artistic method of agriculture taught people who crops should be used to make many items, like rubber, ink, gas, and paper, to call a couple of.

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Extra info for Science Readers - Life Science: George Washington Carver: Agriculture Pioneer (Science Readers: Life Science)

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MIGRATORY: Traveling from one place to another at regular times of year, often over long distances. , tilt) with respect to the sun. MISDEMEANOR: A criminal offense that is considered minor and is punishable by a much lesser sentence than a felony. MODEM: A device that permits information from a computer to be transmitted over a telephone line or cable. MODIFIED MERCALLI SCALE: A scale used to compare earthquakes based on the effects they cause. MANTLE: The thick, dense layer of rock that underlies Earth’s crust and overlies the core.

ANABOLISM: The process by which energy is used to build up complex molecules. known to occur in recent geologic time. ANAEROBIC: Pertaining to the absence of oxygen. AEROSOL: Liquid droplets or minute particles sus- pended in air. ANAEROBIC BACTERIA: Bacteria that grow without oxygen, also called anaerobes. AFTERSHOCK: A subsequent earthquake (usually smaller in magnitude) following a powerful earthquake that originates at or near the same place. AGRICULTURE: Replacement of a natural ecosystem with animals and plants chosen by people.

GREENHOUSE EFFECT: The warming of Earth’s atmosphere due to water vapor, carbon dioxide (CO2), and other gases in the atmosphere that trap heat radiated from Earth’s surface. GREENHOUSE-GAS EMISSIONS: Releases of greenhouses gases into the atmosphere. E N V I R O N M E N TA L S C I E N C E : I N C O N T E X T HERBICIDE SELECTIVITY: The ability to kill weeds while leaving a crop unharmed. HERBIVORE: A plant-eating organism. HOLDING POND: A reservoir used to hold polluted or sediment-laden water until it can be treated or recycled.

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Science Readers - Life Science: George Washington Carver: Agriculture Pioneer (Science Readers: Life Science) by Stephanie Macceca

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