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Grade 5 Chapter 9
vocabulary for Chapter 9 Grade 5
| Question | Answer |
|---|---|
| huge volume of air responsible for types of weather | airmass |
| mixture of gases that surrounds Earth | atmosphere |
| normal pattern of weather that occurs in an area over a long period of time | climate |
| periodic change in the direction of warm ocean currents across the Pacific Ocean | El Nino |
| narrow region between two air masses that have different properties | front |
| layer of the atmosphere above the stratosphere and below the thermosphere | mesosphere |
| moving stream of water created by winds pushing against the ocean's surface | ocean current |
| layer of the atmosphere above the troposphere and below the mesosphere | stratosphere |
| the outermost layer of the atmosphere, above the mesosphere | thermosphere |
| layer of Earth's atmosphere closest to Earth's surface and containing about three-quarters of the atmosphere's gases | troposphere |