Planets
Earth is the ______ planet from the sun.
What is the Third planet from the Sun?
Any planet with a rocky surface, such as Earth or Mars.
What are rocky planets?
An object, diagram, or computer program that helps us understand something by making it simpler or easier to see
What is a model?
Earth, Mars, and other rocky planets can be thought of as ________. These _________ are made up of interacting spheres that can include the geosphere, atmosphere, hydrosphere, and biosphere.
What are systems?
To search for clues about the history of Mars, scientists use small robots called __________.
What is Rovers?
he four rocky planets are ______, ______, _____ and ______.
What is Mercury, Venus, Earth and Mars?
A set of interacting parts forming a complex whole.
What is a system?
A proposed answer to a question about the natural world
What is a claim?
When landforms on different rocky planets look similar, it is ________ that they may have been formed by the same geologic process.
What is evidence?
In the context of potential human exploration, what gas from the atmosphere on Mars are scientists studying to use for producing oxygen and rocket fuel?
What is carbon dioxide?
Neptune, Uranus, Saturn, and Jupiter are not rocky planets but are none as ____________.
What are Gas Giants?
A feature that forms on the surface of a planet, such as a mountain, channel, or sand dune.
What is a landform?
Information about the natural world that is used to support a claim
What is evidence?
Scientists can use ______ to test their ideas and get evidence about processes in the natural world that are difficult to observe.
What are models?
What is the main objective of analyzing Martian rocks and soil in detail, as mentioned in the article?
What is to determine whether life ever existed on Mars?
According to NASA, how many planets are apart of our solar system.
What are 8 planets?
A long, narrow groove that forms where water, lava, or other liquid flows.
What is a channel?
The process of making clear how your evidence supports your claim
What is reasoning?
Landforms can provide evidence about the past because they remain after the _______ _________ that formed them stop happening.
What are geologic processes.
What three pieces of evidence on Mars suggest that the planet was once an active place, according to the article?
What are active volcanoes, meteorites crashing on the surface, and floods of water rushing over the land?
A scientist who studies the geospheres of planets in our solar system.
What is planetary geologist?
An event or series of events that causes changes in the geosphere, such as flowing water or flowing lava
What is geologic process?
Landforms found on Venus that have raised domes and cracks reaching outward in all directions.
What are novae?
Models represent the natural processes being investigated in important ways, but they are not exactly the ____.
What is same?
In future missions, what is the plan for the samples of Martian rocks and soil collected by rovers, and how do scientists intend to bring them back to Earth?
Load samples into a small rocket, blast into orbit around Mars, then another spacecraft picks up the rocket and carries the samples to Earth.