17 terms
Geology on Mars
Atmosphere
The mixture of gases surrounding a planet.
Biosphere
All the living things on a planet.
Channel
A long, narrow groove that forms where water, lava, or other liquid flows.
Claim
A proposed answer to a question about the natural world.
Compare
To notice how two or more things are alike or different.
Evidence
Information about the natural world that is used to support or go against (refute) a claim.
Geologic Process
An event or series of events that causes changes in the Geosphere, such as flowing water or flowing lava.
Geosphere
The solid part of a rocky planet.
Habitable
Having the conditions necessary to support life.
Hydrosphere
All the liquid water and solid water (ice) on a planet.
Landform
A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune.
Model
An object, diagram, or computer program that helps us understand something by making it simpler or easier to see.
Planetary Geologist
A scientist who studies the geospheres of planets in our solar system.
Reasoning
The process of making clear how your evidence supports your claim.
Rocky Planet
Any planet with a solid surface, such as Earth or Mars.
Scientific Argument
A claim supported by evidence.
System
A set of interacting parts forming a complex whole.