
Exploring the Possibility of Alien Life
Interactive Video
•
Biology, Science
•
9th - 12th Grade
•
Hard

Olivia Brooks
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the two main challenges in confirming life on another planet?
Traveling to the planet and collecting samples
Communicating with aliens and understanding their language
Finding water and oxygen
Building a telescope and interpreting findings
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of life form is the research most optimistic about detecting on other planets?
Single-celled microbes
Humanoid aliens
Plant life
Intelligent life forms
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is detecting oxygen on another planet not a definitive sign of life?
Oxygen is too unstable to detect
Oxygen is not essential for life
Oxygen is only found on Earth
Oxygen can be produced without biological processes
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes the detection of phosphine on Venus both compelling and confusing?
Phosphine is a common gas on all planets
Venus is known to have life
Phosphine is a potential biosignature gas, but Venus is inhospitable
Phosphine is only found in Earth's atmosphere
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a significant challenge in studying planets orbiting other stars?
All planets are identical to Earth
Planets are too small to detect
Planets are too far to observe
Planets have unexpected characteristics and different stars
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason for the difficulty in distinguishing life from nonlife on distant planets?
Planets are too far away
Lack of interest in alien life
Ambiguity in interpreting biosignature gases
Lack of advanced technology
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the duality that science balances according to the speaker?
Hope and despair
Skepticism and hope
Certainty and doubt
Knowledge and ignorance
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