WONDER #591: What Is a Lenticular Cloud?

Question 1 of 3

Why do some people confuse lenticular clouds with UFOs?

1. Lenticular clouds are from outer space.
2. Lenticular clouds are shaped like a lens or saucer and so look a bit like UFOs.
3. No one knows.
4. Lenticular clouds make the same sound reported near UFO sightings.

Question 2 of 3

Lenticular clouds often form near _______________.

1. plains
2. tropical rain forests
3. beaches
4. mountain ranges

Question 3 of 3

Why do airplane pilots try to avoid lenticular clouds, according to this Wonder?

1. They're afraid of encountering a UFO.
2. Lenticular clouds can cause turbulence.
3. Lenticular clouds hold more rain than other clouds.
4. Lenticular clouds interfere with radar.

Check your answers online at https://www.wonderopolis.org/index.php/wonder/What-Is-a-Lenticular-Cloud.