

Understanding Life and Alien Detection
Interactive Video
•
Biology
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What tools does NASA use to explore the cosmos in search of alien life?
Only high-powered telescopes
Satellites, probes, telescopes, and rovers
Just manned space stations
Only chemistry kits
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic used to define life?
Ability to grow
Being made of cells
Ability to reproduce
Ability to fly
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are viruses often not considered alive by some biologists?
They cannot reproduce
They do not move
They are not made of cells
They do not grow
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the main issue with Dr. Fox's microspheres in being considered alive?
They could not pass mutations to offspring
They could not grow
They could not reproduce
They were not made of cells
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the outcome of the Viking probes' discovery on Mars in 1976?
Confirmed microbial life
Found unexpected chemical reactions
Discovered water
Detected alien signals
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to NASA, what is a key requirement for a system to be considered alive?
Ability to fly
Capability of Darwinian evolution
Ability to communicate
Presence of a nervous system
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does NASA's definition of life emphasize as essential?
A chemical system capable of photosynthesis
A self-sustaining chemical system capable of Darwinian evolution
A system that can move and grow
A system that can communicate with humans
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