Vocab
Any planet with a solid surface, such as Earth or Mars
What is a "rocky planet"?
What is an example of something that planetary geologists study from the geosphere on Mars? What are their specific names?
Conglomerate and basalt rocks
True or False: Flowing water CAN form a triangle-shaped landform. And tell me why/how!
True!
True or False: Flowing lava CAN form a triangle-shaped landform. And tell me why/how!
True! The lava that does not cool/harden pools at the bottom in a fan shape.
A convincing argument is supported by ________ and ________.
Evidence and reasoning.
Having the conditions necessary to support life
What is "habitable"?
What are 3 example of landforms that can be found in the geosphere on Mars?
Channels, volcanoes/mountains, craters.
Flowing water carries small pieces of rock called ______ when it flows down a steep slope, and the pieces get rounded and cemented together to form solid rock.
Sediment
Lava flows down a steep slope and forms solid rocks when it cools that are ______ in color.
Black
True or false: Models represent the natural processes being investigated in important ways, and they are always exactly the same. PLUS: Give an example.
False! The water/lava models are much smaller, and the lava model used wax instead of lava.
A long, narrow groove that forms where water, lava, or other liquid flows
What is a "channel"?
True or False: Landforms can provide evidence about the past because they REMAIN after the geologic processes that formed them STOP happening.
True! The channel on Mars does not have water right now, but there is evidence that it was formed by water and then remained after it stopped flowing.
On the evidence cards, where on Earth were some examples of flowing water found?
Alasksa...
On the evidence cards, where on Earth were some examples of flowing lava found?
Japan...
True or False: The scientific water/lava models showed us that the channel on Mars flows from low to high elevation.
False! The channel is on a steep slope.
A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune
What is a "landform"?
The geosphere, biosphere, atmosphere, and hydrosphere make up Mars' _______.
System
Describe what channels formed by flowing water look like.
Narrow, curved, winding, branching, etc.
Describe what channels formed by flowing lava look like.
Wide, straight, not branching, etc.
What is the purpose of scientific argumentation?
To convince others using strong evidence and reasoning.
An event or series of events that causes changes in the geosphere, such as flowing water or flowing lava
What is a "geologic process"?
How does our understanding of Earth help us learn about other rocky planets, like Mars?
By making comparisons. When landforms on different rocky planets look SIMILAR, it is evidence that they may have been formed by the SAME geologic process.
What is the name of the triangle-shaped landform formed by flowing water?
"Alluvial fan"
How does lava form a channel? Think about the video and how the lava moves.
The lava flows and the lava on the bottom and edges cools and hardens, which builds the channel.
How do models help scientists answer questions?
Scientists can use models to test their ideas and get evidence about processes in the natural world that are difficult to observe.