100 Clue: Any planet with a solid surface (such as Earth or Mars).
Answer: What is a rocky planet? [cite: 1.1.1]
100 Clue: A feature on the surface of a planet, such as a mountain, crater, or canyon.
Answer: What is a landform?
100 Clue: The two primary hypotheses evaluated for what formed the Mars channel.
Answer: What are flowing water and flowing lava?
100 Clue: Having the conditions necessary to support living things [cite: 1.1.5].
Answer: What is habitable? [cite: 1.1.5]
Mars mission rover context
Answer: What is NASA?
200 Clue: The fourth rocky planet in the inner solar system featured in this unit.
Answer: What is Mars?
200 Clue: A long, narrow groove shaped by a liquid or gas.
Answer: What is a channel? [cite: 1.1.5]
200 Clue: Past presence of this specific liquid is a core requirement searched for habitability.
Answer: What is liquid water? [cite: 1.1.5]
200 Clue: An event or series of events that changes the surface of a planet.
Answer: What is a geologic process?
Most water on Mars today is locked up in polar ice caps or this underground state.
Answer: What is permafrost / underground ice / frozen?
300 Clue: Scientists study Earth first to establish criteria for this property.
Answer: What is habitability? [cite: 1.1.5]
300 Clue: Planetary geologists use analogous features on Earth to interpret features on this planet.
Answer: What is Mars?
300 Clue: Energy source required alongside liquid water for life, typically coming from this star.
Answer: What is the Sun? [cite: 1.1.5]
300 Clue: Scientific arguments require a claim, reasoning, and this.
Answer: What is evidence?
When the scientific community agrees on an explanation after heavy testing, it reaches this status.
Answer: What is scientific consensus?
400 Clue: A set of interacting parts forming a complex whole [cite: 1.1.1].
Answer: What is a system? [cite: 1.1.1]
400 Clue: Events like erosion or lava flows that alter a planet's surface even long after they stop.
Answer: What are geologic processes?
400 Clue: Physical tools like stream tables used in class to test how features form.
Answer: What are physical models?
400 Clue: The designated career role students adopt in this Amplify unit.
Answer: What is a student planetary geologist? [cite: 1.1.5]
The foundational Chapter 1 driving question for Amplify Geology on Mars.
Answer: What is "Was Mars habitable in the past?" (or "How did the channel on Mars form?")