The mixture of gases surrounding a planet
Atmosphere
A long, narrow groove that forms where water, lava, or other liquid flows.
Channel.
Having the conditions necessary to support life.
habitable.
All the liquid water and solid water on a planet.
Hydrosphere.
All the living things on a planet.
Biosphere.
The solid part of a rocky planet.
Geosphere.
A set of interacting parts forming a complex whole.
System
What are the four rocky planets?
Mercury, Venus, Earth, Mars
A proposed answer to a question about the natural world.
Claim.
An event or series of events that causes changes in the geosphere, such as flowing water or flowing lava.
Geologic Process.
What geologic process were used as claims for the channel found in Mars?
flowing water and flowing lava
A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune.
Landform.
A claim supported by evidence.
Scientific Argument.
The process of making clear how your evidence supports your claim.
reasoning.
A scientist who studies the geosphere of planets in our solar system.
Planetary Geologist.