Across
- 4. where the planes and hot air balloons are
- 6. the part of the earth that contains all life
- 15. when heat moves through liquid and gasses
- 16. the layer of atmosphere where the Aurora Borealis is
- 20. the thing that changes in an experiment
- 21. when warm air mass slides up and over a cold air mass
- 22. the thing that stays the same in an experiment
- 24. the highest layer of the atmosphere
- 25. all the waters on the Earth's surface
Down
- 1. a mixture of gasses that surrounds the Earth
- 2. when temperature is cooled to relative humidity the air cannot hold more water in the gas form
- 3. he second layer of the atmosphere
- 5. the Earth itself such as solid rocks
- 7. when the weight of the air changes in the air pressure is air density.
- 8. the outcome in an experiment
- 9. when heat moves from one object to another through direct touch
- 10. the temporary temperature in a place
- 11. rain, snow, sleet, and hail are forms of what
- 12. small water droplets or air crystals in the air that is close to the ground
- 13. when in autumn the day and night are exactly the same length
- 14. when a cold air mass pushes under a warm air mass
- 17. when energy moves from one place to another through waves and particles
- 18. the longtime weather in a place
- 19. large body of air with uniform temperature and humidity
- 23. where the layer of the atmosphere meteors burn up