Exoplanet Quiz (NASA) Grade 7

What is an exoplanet?

• Planets outside our solar system which has life.

• Planets outside our solar system

• Planets that orbit our star

Why is NASA studying exoplanets?

• To figure out if they can host life like Earth

• To figure out their temperature

• To find gas giants

• To figure out their distance to the sun

Based on the video, why are exoplanets hard to see? (Choose two answers)

• They are so far away

• They are fainter than their stars

• They are really small

• They have gases that block vision

Based on the video (between minutes 3.30-4.00) , what are the qualities that NASA look at when discovering habitable planets? (choose 3)

• Size

• Composition & Mass

• Distance to star

• Orbit speed

• Exoplanet Variety

Why is Earth unique?

• There are no other habitable planet like ours, so far.

• Earth has liquid water, unlike other planets.

• Earth has one sun, unlike other planets.

• Earth has low radiation.

Last question. Is your Final Project exoplanet realistically habitable?

• Yes

• No

Why do / don't you think it's habitable in real life? (Use 4 reasons for maximum score)