Book 4, Question 98
Why Does Frost Paint the Grass?
Frost is dew's frozen cousin! When grass gets colder than freezing, water vapor can turn straight into ice crystals on the blades. It paints the grass white.
From the book
Page from A Million Whys Book 4
More fun facts
- Frost is tiny white ice crystals on grass, leaves and other surfaces.
- Frost forms when the temperature falls below 0 degrees Celsius.
- Frost is water vapor from the air that turns straight into ice without becoming dew first.
- If dew forms first, you probably will not get frost, even if it gets below freezing.
- One artist paints sheets of glass and leaves them outside on frosty nights, so the frost carves patterns in the paint.
- It took him over four years to get his first frost painting.
Questions kids ask
What is the difference between frost and ice?
Ice forms when liquid water freezes, like a frozen puddle. Frost forms when water vapor in the air turns straight into ice crystals.