Across
- 4. earth's atmosphere above the stratosphere and below the thermosphere.
- 7. Pole, the top of the world
- 9. the layer of the earth's atmosphere above the troposphere, extending to about 32 miles (50 km) above the earth's surface .
- 12. jet, streams a belt of powerful upper-level winds that sits atop the polar front.
- 13. become or make larger
- 15. to the outermost region of a planet's atmosphere.
- 16. latitudes, a belt of calm air and sea occurring in both the northern and southern hemispheres between the trade winds
- 17. pressure, the force exerted on a surface by the air above it as gravity pulls it to Earth
- 18. effect, an effect whereby a mass moving in a rotating system experiences a force acting perpendicular to the direction of motion and to the axis of rotation.
- 19. the degree of compactness of a substance
- 22. winds, a wind blowing steadily towards the equator from the northeast in the northern hemisphere or the southeast in the southern hemisphere, especially at sea.
Down
- 1. a state or period of inactivity, stagnation, or depression.
- 2. clockwise, in the opposite direction to the way in which the hands of a clock move around.
- 3. a period of the year characterized by a particular climatic feature or marked by a particular activity, event, or festivity.
- 5. hemisphere, half of the Earth north of the equator.
- 6. the envelope of gasses surrounding the earth or another planet.
- 8. an imaginary line drawn around the earth equally distant from both poles, dividing the earth into northern and southern hemispheres
- 10. move or cause to move into a sloping position.
- 11. the degree or intensity of heat present in a substance or object.
- 14. cell, l A mid-latitude atmospheric circulation cell for weather
- 20. currents a current in a fluid that results from convection.
- 21. cells, a large-scale atmospheric convection cell in which air rises at the equator and sinks at medium latitudes,
- 22. the lowest region of the atmosphere, extending from the earth's surface to a height of about 3.7–6.2 miles (6–10 km).