Wonderopolis Alien Life Quiz

Who was Enrico Fermi?

• A physicist

• A chemist

• A biologist

• An astronaut

What is the Fermi Paradox?

• A scientific experiment

• A mathematical equation

• A theory about alien life

• A historical event

Why do some people believe that alien life has already visited Earth?

• Because they left evidence behind

• Because it's a conspiracy theory

• Because they are currently living among us

• Because they have communicated with humans

What is one possible explanation for the lack of evidence of alien life?

• Aliens are too far away

• Aliens are hiding from humans

• Aliens are waiting for humans to advance technologically

• Aliens don't exist

Why do some people believe that humans have encountered other life?

• Because of ancient artifacts

• Because of UFO sightings

• Because of scientific experiments

• Because of historical records

What is one possible reason for the inability of humans to perceive aliens?

• They live in a different dimension

• They are too small to be seen

• They are invisible to human technology

• They are using advanced camouflage

What is the estimated number of Earth-like planets in the universe?

• 1000 for every grain of sand on Earth

• 10 for every grain of sand on Earth

• 100 for every grain of sand on Earth

• 1 for every grain of sand on Earth