Across
- 1. day-to-day changes in atmospheric conditions
- 3. particles move faster and are more spread apart in matter that is _____
- 7. the temperature of the air is __________ the higher up you go in the atmosphere
- 8. the transfer of thermal energy through direct contact such as when particles collide
- 13. wind speeds, wind gusts, and relative humidity are weather conditions that all increase at the time of a hailstorm
- 15. any liquid or frozen water that forms in the atmosphere and falls to the ground
- 16. source of energy responsible for warming the pavement
- 17. a closed system of air made up of five particles in a cold environment will have _____ particles in a warm environment
- 18. hailstorms producing severe hail occur more often in this part of the U.S.
Down
- 1. hailstorms rarely occur during this season
- 2. the weather conditions that decreases during a hailstorm
- 4. the amount of water vapor in the air
- 5. the helium balloon sank when it became _____ dense than the surrounding air
- 6. hailstorms rarely occur at this time of the day
- 7. the transfer of thermal energy through the movement of a liquid or gas, such as when hot air rises and cold air sinks
- 9. the relationship between mass and volume (mass divided by volume)
- 10. as warm air rises, it cools when it ______ energy to the colder air around it
- 11. when the helium balloon rose up, the balloon was _____ than the surrounding air
- 12. what the weather is like during a long period of time in a specific area
- 14. the transfer of thermal energy without contact such as how the Sun provides energy for Earth