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4th Grade Vocabulary Part Four. The Greenhouse Effect and Weather. More buoyant objects float. Less buoyant objects sink. Buoyancy . The ability of matter to float in a liquid or a gas. Air Pressure. Pressure Created by the weight of the atmosphere. .
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4th Grade VocabularyPart Four The Greenhouse Effect and Weather
More buoyant objects float. Less buoyant objects sink. Buoyancy The ability of matter to float in a liquid or a gas
Air Pressure • Pressure Created by the weight of the atmosphere.