8. Frost
Frost is actually frozen dew. It is formed when temperature of dew point fall below freezing point. Under such conditions droplets of condensation near or on the ground are frozen. Generally for formation of dew and frost the conditions are similar. Only temperature should fall below freezing point for the formation of frost
Dew | Frost |
It can be seen as droplets of water on leaves of small plants or blades of grass. | It can be found on solid surfaces of earth’s crust as ice or snow crystal. |
It Is formed when temperature of dew point is above freezing point. | It is formed when temperature is below freezing point. |
It is useful for plants. | It is harmful for plant growth. |