Spheres of Earth
The four spheres that make up Earth’s system are the geosphere, atmosphere, hydrosphere, and __________
Biosphere
When landforms on Earth and Mars look similar, scientists think they may have been shaped by the same
Geologic Process
Flowing __________ can carve valleys, canyons, and channels
Water
Scientists use __________ to connect evidence to their claims.
Reasoning
What rocky planet are we studying
Mars
Which sphere includes all of the water on a planet?
Hydrosphere
What geologic process could have formed the channel on Mars?
Flowing Water
Flowing __________ can also change the surface of a planet by creating channels and leaving behind igneous rocks
Lava
Why do scientists use evidence and reasoning?
To connect claims to observations and make scientific arguments
What planet is closest to the sun?
Mercury
A planet that can sustain life is also known as a
Habitable planet
Why do scientists compare landforms on Earth and Mars?
To see if similar processes formed similar features
Which natural event is not a process that likely formed channels on Mars?
a) Flowing water or lava
b) Earthquakes
c) Flowing air
Flowing Air
A claim is also known as the _________________
Answer
What is the rocky planet we are comparing to Mars?
Earth
Earth, Mars, and other rocky planets can be thought of as a __________ made of interacting parts.
A system
Which two features can both carve channels on rocky planets?
Flowing Water or Flowing Lava
Channels on Earth and Mars provide scientists with evidence of past __________.
Flowing Water
Scientific __________ helps us explore big questions, like whether Mars was once habitable.
What are the four rocky planets
Mercury, Venus, Mars and Earth