I WONDER - What Is Fog?

Fog is formed when water is suspended in the air, reducing visibility. It is a denser version of mist, and in extreme cases, can be so thick that it obscures even close objects like one's own hands.

What causes fog to form in the atmosphere?

• Low temperatures

• High wind speeds

• Dust particles in the air

• Water suspended in the air

Which of the following is NOT a factor in the formation of fog?

• Calm winds

• Strong sunlight

• High humidity

• Water suspended in the air

In what way can fog impact visibility?

• It enhances visibility

• It reduces visibility significantly

• It only affects visibility at night

• It has no effect on visibility

How does fog differ from mist?

• Fog is thinner than mist

• Fog is less dense than mist

• Fog is a thicker form of mist

• Fog is warmer than mist

What is a characteristic of some extremely thick fogs?

• They are always accompanied by rain

• They are always warm

• They are always cold

• They can obscure your own hands from view