I WONDER - What Is Frost?

Frost forms when the temperature drops below freezing, specifically below 30°F or 0°C, which is the freezing point of water. When the air becomes this cold, moisture in the air turns into ice crystals that attach to surfaces like windows, leaves, and the ground.

What is the primary condition for frost to form?

• Temperatures below freezing

• Strong winds

• Temperatures above freezing

• High humidity

At what temperature does frost typically form in Fahrenheit?

• 32 degrees

• 30 degrees

• 28 degrees

• 35 degrees

What is the freezing point of water in Celsius?

• 15 degrees

• 0 degrees

• 10 degrees

• 5 degrees

What happens to moisture in the air when it gets very cold?

• It stays as vapor

• It becomes rain

• It turns into ice crystals

• It evaporates

Where do ice crystals commonly form when frost occurs?

• On the ocean

• In underground caves

• In the sky

• On surfaces like windows and leaves