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Page 1: 4th Grade Vocabulary Part Four

4th Grade VocabularyPart Four

The Greenhouse Effect and Weather

Page 2: 4th Grade Vocabulary Part Four

Buoyancy

The ability of matter to float in a liquid or a gas

More buoyant objects float.

Less buoyant objects sink.

Page 3: 4th Grade Vocabulary Part Four

Air Pressure• Pressure Created by the weight of the

atmosphere.

Page 4: 4th Grade Vocabulary Part Four

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