Lesson 6.2: Alien sightings over years (Jun)

Which invention was NOT mentioned in the early descriptions of UFOs?

• Steam engines
• Screw propellers
• Hot air balloons
• Dirigibles
• Winged crafts

What was the general public reaction to the mysterious airship sightings in 1896?

• Panic
• Curiosity
• Indifference
• Hysteria
• Amusement

What was a common fear related to UFOs during the early 20th century?

• Alien invasion
• Government surveillance
• Weather manipulation
• Invasion by foreign powers
• Spying by neighbors

Phantom Zeppelin sightings' were particularly prevalent in which country?

• Germany
• The United States
• The United Kingdom
• Sweden
• France

In what year did Kenneth Arnold report seeing "flying saucers"?

• 1945.0
• 1947.0
• 1950.0
• 1946.0
• 1949.0

Which term became popular after Arnold's UFO sighting near Mt. Rainier?

• Ghost rockets
• Celestial ships
• Flying saucers
• Spacecraft
• Air foils

What was the Cold War believed to have influenced regarding UFOs?

• Increased skepticism
• A decrease in sightings
• Sightings as military tests
• Sightings as weather phenomena
• Sightings as commercial aircraft

Who proposed that UFOs could be vehicles from another planet?

• A science fiction writer
• Donald Keyhoe
• A government official
• A conspiracy theorist
• Kenneth Arnold

According to the article, what event caused extraterrestrials to scrutinize Earth more closely?

• The invention of the telescope
• The first human in space
• The moon landing
• The explosions of atomic weapons
• The development of the internet

What has recently replaced sightings of "flying saucers" in the 21st century?

• Balloons
• Birds
• Planets
• Drone-like objects
• Comets