Astrobiology and Habitability
Physics ⇒ Earth and Space Physics
Astrobiology and Habitability starts at 11 and continues till grade 12.
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See sample questions for grade 11
A planet orbits a star at a distance where the temperature allows for liquid water. What is this region called?
Describe one reason why Titan, Saturn's largest moon, is of interest to astrobiologists.
Describe one way in which a planet's magnetic field contributes to its habitability.
Describe the Drake Equation and its significance in astrobiology.
Explain the importance of energy sources for habitability.
Explain why a planet's atmosphere is important for habitability.
Explain why liquid water is considered essential for life as we know it.
A planet has a surface temperature of 400 K. Is it likely to have liquid water on its surface? Yes or No.
Which molecule is most commonly used as a biosignature in the search for extraterrestrial life? (1) Oxygen, (2) Methane, (3) Carbon dioxide, (4) Nitrogen
Which of the following best describes a biosignature? (1) A chemical indicator of life, (2) A type of telescope, (3) A planet's orbit, (4) A star's temperature
Which of the following best describes a planet in the habitable zone? (1) It is always Earth-sized, (2) It has liquid water on its surface, (3) It has a thick atmosphere, (4) It is the closest planet to its star
Which of the following is a challenge in detecting life on exoplanets? (1) Distance from Earth, (2) Small size of exoplanets, (3) Faint signals, (4) All of the above
Fill in the blank: The __________ method detects exoplanets by measuring the dimming of a star as a planet passes in front of it.
Fill in the blank: The chemical element most essential for organic life is __________.
Fill in the blank: The process by which life arises naturally from non-living matter is called __________.
Fill in the blank: The search for extraterrestrial intelligence is abbreviated as __________.
A planet has a surface temperature of 400 K. Is it likely to have liquid water on its surface? Yes or No.
True or False: All extremophiles require sunlight to survive.
True or False: All life on Earth depends directly on sunlight.
True or False: The discovery of extremophiles on Earth has expanded the range of environments considered potentially habitable elsewhere.
