Across
- 4. The change of water vapor to liquid water, as when fog or dew forms is known as __________.
- 7. Which weather instrument measures air pressure?
- 9. A layer of gases surrounding a planet is known as a(n) ______________.
- 11. A scientist who studies and predicts the weather is called a.
- 13. Which weather instrument measures the amount of rain that has fallen over a specific time period ?
- 15. What is the general name for water in any form falling from clouds ?
- 16. What term describes the average weather conditions in a certain place or during a certain season ?
- 17. Which weather instrument determines the direction from which the wind is blowing ?
- 18. Which weather instrument measures wind speed?
- 19. What term describes the conditions at a particular time and place, such as temperature and precipitation ?
- 20. Which weather instrument measures the relative humidity using the cooling effect of evaporation?
Down
- 1. What is the term that describes heat transfer by warm air or liquid rising and cooler air or liquid sinking creating a circular current ?
- 2. What term describes a visible collection of tiny water droplets or, at colder temperatures, ice crystals floating in the air above the surface of Earth ?
- 3. A cloud on the ground that reduces visibility is known as ______.
- 5. Which weather instrument measures the temperature of the air ?
- 6. What is the term used to describe visible air pollution in urban cities ? It looks like dirty fog.
- 8. What term describes the weight of air pressing down on Earth ?
- 10. The mixture of gases that forms the atmosphere of Earth is known as ____.
- 12. What is the process of changing a liquid (like water) to a vapor ? It’s the opposite of condensation.
- 14. The process by which water in plants is transferred as water vapor to the atmosphere is known as _________.